CN103225373A

CN103225373A - Roof eaves board

Info

Publication number: CN103225373A
Application number: CN2012101152854A
Authority: CN
Inventors: 吴淑环
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-01-29
Filing date: 2012-04-08
Publication date: 2013-07-31

Abstract

The invention discloses a roof eaves board, relates to modeling, construction and mounting construction of the roof eaves board, and aims at the problems of single roof modeling and the like. The roof eaves board is characterized in that firstly, a slope of the eaves board is smaller than that of a roof board, and an overhanging eaves type eaves board modeling is formed; secondly, a corner eaves board in the position of an inclined roof ridge at the corner of a roof corner is bent upward, and a structure of an overhanging eaves type modeling of the corner roof ridge is formed; thirdly, an anti-shearing and anti-pulling net is arranged in the light and thermal-insulation roof eaves board; fourthly, reinforcing steel bars, anchor bolts and the anti-pulling net are used for mounting and prefabricating the light and thermal-insulation roof eaves board; fifthly, a first thermal-insulation bridge-cut-off structure of the roof eaves board is characterized in that a bearing is arranged on an outer wall bearing member, a truss or a net rack is mounted on the bearing, then the bearing is connected with a coupling beam, and the light roof eaves board is connected with the coupling beam; sixthly, a second thermal-insulation bridge-cut-off structure of the roof eaves board is characterized in that a cantilever beam is arranged on the outer wall bearing member, and the light roof eaves board is located on the cantilever beam; seventhly, drain holes are formed in the roof eaves board; and eighthly, the self-waterproof roof eaves board has a waterproof thermal insulation layer. The roof eaves board is attractive in modeling, low in manufacturing cost and convenient to construct.

Description

A kind of roofing eaves board

Technical field

The present invention relates to a kind of building roof technology, particularly a kind of roofing eaves board.

Background technology

There is following problem in roofing, floor construction now:

The problem of 1, moulding dullness.

Ancient Times in China is built big roof shape grace, but because of timber fewer and feweri, the cost height, except that religious building and other special engineering, the engineering of using now big roof shape seldom, U.S.A of China's traditional architecture loses gradually, this makes building sides moulding dullness.The roofing different modeling that has, as the hyperbola of free form surface, the shape of a saddle, arch etc., but all be to belong to the large-area metal shell roofing that is applied to public building, the cost height, its prefabricated component or material are exactly curved surface, not that general prefabricated component factory can produce, on cost or on style, all be not suitable for general civilian construction, promptly do not have general applicability.But living standards of the people improve, and need construction aesthetic perception, whether is available common material just installed out the roofing with construction aesthetic perception, and heat preservation energy-saving is good?

How in modern architecture, comprise common house owed by a citizen, also can have the cornice formula structure on similar big roof, increase construction aesthetic perception? this is a problem to be solved by this invention.

2, concrete roof eaves board heat transfer forms heat bridge, if head it off, must be to being incubated outside the concrete roof eaves board border, trouble, cost height are seen Fig. 5, not seeing at present has pair concrete eaves board to be incubated, and causes a large amount of heats to run off.

Summary of the invention

The purpose of this invention is to provide a kind of roofing eaves board, to solve the described problem of background technology.

One of a kind of roofing eaves board of the present invention, it comprises exterior wall supporting member, roof panel, roofing eaves board described a kind of roofing eaves board; The exterior wall supporting member is the bearing that roofing eaves board and roof panel are positioned at exterior wall; Described exterior wall supporting member is load-bearing exterior wall, concrete beam, girder steel;

Described roofing eaves board is different with the roof panel gradient, and the gradient of roof panel is greater than the gradient of roofing eaves board; When roof panel is arc or broken line shape, the gradient from the roof panel upper end to the lower end line is greater than the gradient of roofing eaves board, the gradient of described roofing eaves board and roof panel can be the unidirectional gradient, or the roofing eaves board is for being horizontally disposed with, or roof panel and roofing eaves board be the rightabout gradient, forms a kind of roofing eaves board moulding of cornice formula; The gradient of the gradient of described roof panel and roofing eaves board comprises the gradient that forms behind the various techonospheres of roofing;

Two of a kind of roofing eaves board of the present invention, described a kind of roofing eaves board are that the corner eaves board at the oblique ridge of roofing corner place upwarps, and form the structure of the cornice formula moulding of corner ridge, and described corner eaves board is a light thermal-insulating corner eaves board, or is concrete corner eaves board; Described roofing eaves board is the moulding of cornice formula, or is oblique orthoscopic moulding.

Three of a kind of roofing eaves board of the present invention, described a kind of roofing eaves board is the structure that the roofing eaves board increases the anti-shearing bearing capacity in sloping section when being light thermal-insulating roofing eaves board, described light thermal-insulating roofing eaves board comprises insulation layer, topping, upper reinforcement is or/and the net of tension, or/and also have lower rebar or/and the net of the net of tension, sloping section shear-stable tension; Described insulation layer is connected with topping, and the net of upper reinforcement, lower rebar and tension is positioned at topping, is provided with the net of shear-stable tension in insulation layer, oblique setting of the net of shear-stable tension or vertical the setting; The net of the net of described tension, shear-stable tension is wire lath, alkaline-resisting screen cloth or basalt fibre screen cloth, and the net of described shear-stable tension and the net of tension can be same material or be different materials; The various materials of described light thermal-insulating roofing eaves board connect as one, co-operation, and formation is provided with the light thermal-insulating roofing eaves board of the net of shear-stable tension.

Four of a kind of roofing eaves board of the present invention, described a kind of roofing eaves board are that the roofing eaves board is the installation constitution of light thermal-insulating roofing eaves board, and it comprises light thermal-insulating roofing eaves board, exterior wall supporting member, roof panel; Described exterior wall supporting member is the bearing of light thermal-insulating roofing eaves board, and described exterior wall supporting member is load-bearing exterior wall, concrete beam, girder steel;

Light thermal-insulating roofing eaves board is installed and following several mode is arranged, select one and select for use or select for use multiple simultaneously with the joint construction of adjacent roof panel:

1), connect, following 2 kinds of methods are arranged, select one and select for use or select for use simultaneously with reinforcing bar or steel part:

A, top connect: on light thermal-insulating roofing eaves board top reinforcing bar or steel part are set, on roof panel top reinforcing bar or steel part are set, the reinforcing bar on roofing eaves board top or steel part are connected with the reinforcing bar or the steel part on roof panel top; The light thermal-insulating roofing eaves board that maybe will be provided with steel frame, steel truss, steel mesh frame or topping and be the steel plate warming plate of steel plate is connected with reinforcing bar or steel part with roof panel top;

B, bottom connect: in light thermal-insulating roofing eaves board bottom reinforcing bar or steel part are set, reinforcing bar or steel part are connected with the exterior wall supporting member; The light thermal-insulating roofing eaves board bottom that maybe will be provided with steel frame, steel truss, steel mesh frame or topping and be the steel plate warming plate of steel plate is connected with the exterior wall supporting member with reinforcing bar or steel part;

Described light thermal-insulating roofing eaves board can be prefabricated units, or the member of installing for site operation:

2), connect, following 2 kinds of methods are arranged, select one and select for use or multiple selecting for use with crab-bolt:

A, prefabricated light thermal-insulating roofing eaves board and exterior wall supporting member are fixed with crab-bolt;

B or below crab-bolt, be provided with the steel plate band, the steel plate band is along the bearing setting of light thermal-insulating roofing eaves board, and is porose on the steel plate band, and crab-bolt is passed the hole of steel plate band, and light thermal-insulating roofing eaves board and exterior wall supporting member are fixed;

Described light thermal-insulating roofing eaves board can be prefabricated units, or is the site operation member;

3), bonding with cementitious materials:

When light thermal-insulating roofing eaves board is installed, with bonding between light thermal-insulating roofing eaves board and the exterior wall supporting member with cementitious materials, described cementitious materials is cement mortar or pea gravel concreten, or the pea gravel concreten of the cement mortar of modification or modification, or is structure glue;

Or also in the cementitious materials material, adding the net of tension, the net of tension is overhanging to be bonded on basic unit's body of wall of exterior wall supporting member, or is bonded on the insulation layer of basic unit's body of wall of exterior wall supporting member; The net of described tension is wire lath, alkaline-resisting screen cloth or basalt fibre screen cloth, and the net of described tension can be a kind of net, or is that multiple net collocation is used;

4), connect with the net of tension, following 3 kinds of methods are arranged, select one and select for use, the net of described tension can be a kind of net, or be multiple net collocation application:

A, prefabricated light thermal-insulating roofing eaves board top be or/and bottom when being provided with the net of tension, or prefabricated light thermal-insulating roofing eaves board is when being the steel plate warming plate; Light thermal-insulating roofing eaves board installation in position and place, the slit between light thermal-insulating roofing eaves board heat insulating material is bonding, with the slit between light thermal-insulating roofing eaves board and roof panel place heat insulating material bonding after, along seam the net of tension is installed, the lap length requirement is satisfied in the net of tension and both sides;

In brushing of place, slit or spraying interfacial agents, mend with cement mortar or pea gravel concreten smear, levelling, or the place, slit is directly with cement polymer mortar or cement polymer pea gravel concreten plaster leveling, and with the top of the net of tension and both sides light thermal-insulating roofing eaves board or/and the bottom is bonding, and be connected between prefabricated light thermal-insulating roofing eaves board and the roof panel;

The net of tension can not be established on B, prefabricated half-finished light thermal-insulating roofing eaves board top, light thermal-insulating roofing eaves board installation in position and the slit located the heat insulating material adhering and sealing after, lay the net of tension on the topping top of half-finished light thermal-insulating roofing eaves board; Brushing or spraying interfacial agents, second time topping of cast in situs, and plaster leveling again; The topping of second time topping and half-finished light thermal-insulating roofing eaves board is bonded as one, also the topping with roof panel top is bonded as one, net with tension between prefabricated half-finished light thermal-insulating roofing eaves board is interconnected, and be connected between prefabricated half-finished light thermal-insulating roofing eaves board and the roof panel; Described topping is cement mortar or pea gravel concreten, or the pea gravel concreten of the cement mortar of modification or modification;

When prefabricated light thermal-insulating roofing eaves board is installed, all need to smear cement mortar or pea gravel concreten again, or smear the cement mortar of modification or the pea gravel concreten of modification again; Will the brushing interfacial agents in the construction, the topping of plastering of front and back secondary reliably is bonded as one, or directly with cement polymer mortar or cement polymer pea gravel concreten plaster leveling, and paste the net 5 of tension; Or/and the connection of steel plate seaming, or/and the bonding connection of steel plate;

C, light thermal-insulating roofing eaves board are the member of site operation, are provided with the net of tension on light thermal-insulating roofing eaves board in the lower protective layer, and the net of tension is connected as a single entity light thermal-insulating roofing eaves board, and with roof panel between be connected;

After installing and fixing, the slope change scope between light thermal-insulating roofing eaves board and the roof panel is looked for the slope;

The various materials of described composition light thermal-insulating roofing eaves board connect as one, and co-operation forms light thermal-insulating roofing eaves board; Described light thermal-insulating roofing eaves board is the moulding of cornice formula, or is the moulding of generic linear formula.

Five of a kind of roofing eaves board of the present invention, described a kind of roofing eaves board are that the roofing eaves board is the light roof eaves board structure of heat insulation break bridge structure; It comprises light roof eaves board, exterior wall supporting member, supporting, truss or rack, coupling beam; Described exterior wall supporting member is load-bearing exterior wall, concrete beam, girder steel; Mounting support at a certain distance on the exterior wall supporting member, supporting and the anchoring of exterior wall supporting member are supported to the concrete hanging top supporting or are the steel truss supporting of encorbelmenting, or pour into the supporting of cement polymer mortar formation for the steel truss supporting periphery of encorbelmenting; Truss or rack are connected with supporting, and truss or rack outer end are connected with coupling beam; The light roof eaves board is connected with coupling beam; The light roof eaves board can be light thermal-insulating roofing eaves board, also can be uninsulated light roof eaves board, and supporting is made the point-like heat bridge with the strand of hot bridging of roofing eaves board, forms the light roof eaves board of heat insulation break bridge structure.

Six of a kind of roofing eaves board of the present invention, described a kind of roofing eaves board are that the roofing eaves board is the light roof eaves board structure of heat insulation break bridge structure; It comprises light roof eaves board, exterior wall supporting member, the beam of encorbelmenting; Described exterior wall supporting member is load-bearing exterior wall, concrete beam, girder steel; The beam of encorbelmenting, encorbelment beam and the anchoring of exterior wall supporting member are installed on the exterior wall supporting member at a certain distance; The beam of encorbelmenting is the bearing of light roof eaves board, and the light roof eaves board is positioned at the wall supporting member outside, or is positioned at the outside of the insulation layer of exterior wall supporting member; Described light roof eaves board can be light thermal-insulating roofing eaves board, also can be uninsulated light roof eaves board, and the beam of encorbelmenting is made the point-like heat bridge with the strand of hot bridging of roofing eaves board, forms the light roof eaves board of heat insulation break bridge structure.

Seven of a kind of roofing eaves board of the present invention, described a kind of roofing eaves board is the water discharge method that drain hole is set on the roofing eaves board, forms outer drainage system; The roofing eaves board that described roofing eaves board is a concrete base layer, or be light thermal-insulating roofing eaves board; Described roof panel is the roof panel of concrete base layer, or is light heat insulating board; Described roofing is shaped to the moulding of cornice formula or is the linear moulding; Or also on roofing eaves board outer end, baffle plate is set.

Eight of a kind of roofing eaves board of the present invention, the insulation layer that described a kind of roofing eaves board is the roofing eaves board is the structure of waterproofing course; Will be between the roofing eaves board insulation layer mutually bonding the or jam-packed of sealing install, the upper end filling elastic packing waterproofing materials in the insulation layer slit of roofing eaves board, the sealing of upper end, slit is bonding; Described insulation layer is the heat insulating material with heat insulating material of water resistance, as macromolecule heat insulating material, thermal insulation mortar, closed pore waterproof foam concrete, forms a kind of roofing eaves board from waterproof.

The difference of a kind of roofing eaves board of the present invention and prior art is:

1, the cornice formula moulding of the roofing eaves board moulding of a kind of cornice formula of the present invention and corner ridge is that existing roofing technique is unexistent, does not have the structure atlas or the case history of this respect.

2, a kind of roofing eaves board of the present invention is that heat insulation break bridge structure is that existing roofing technique is unexistent, does not have the structure atlas or the case history of this respect.

3, roofing eaves board of the present invention is that the structure of light thermal-insulating roofing eaves board is that prior art is unexistent, does not have the structure atlas or the case history of this respect.The roofing eaves board of prior art all is the concrete eaves board that is connected as a single entity with concrete sloping roof, or the roofing eaves board of the overhanging colored heat-insulating steel plate of the colored heat-insulating steel plate on the roof truss.The horizontal eaves board that also has is that brickwork is held in the month layer by layer on the body of wall top and chosen, and roofing is a timber roof truss iron sheet waterproof, sees Figure 15, Figure 16.Figure 16 is the A node enlarged drawing of Figure 15, has represented that brick wall goes out every skin and cornices and be 60mm, and cornicing for a short time of formation received the limit at gable, and Figure 15, Figure 16 are not any of four kinds of cornice formulas structure of the present invention.

4, the present invention fixes light thermal-insulating roofing eaves board and exterior wall supporting member with crab-bolt, and this is that prior art is unexistent, does not see structure and mounting method that this independent installation light roof eaves board of the present invention is arranged.

5, the outer drainage system of drain hole outside the present invention is provided with on the roofing eaves board of encorbelmenting is unexistent in the existing roof drainage technology.

6, embodiment of the present invention ten is that prior art is unexistent from the water-proof roofing eaves board.

Technique effect of the present invention:

1, the cornice formula structure of the roofing eaves board of a kind of cornice formula of the present invention structure and corner ridge, the gradient of roof panel is greater than the gradient of roofing eaves board, the roofing eaves board upwarps with respect to the gradient of roof panel, or be the rightabout gradient, with the roofing moulding ratio of the straight line gradient, form a kind of structure of cornice formula, give a kind of dynamic U.S. of people, help to enrich architectural image, increase construction aesthetic perception.Can plaster in the engineering forms camber line shape, cooperate again to install on the roofing to decorate watt, and crest tile, and other decorates etc., also can establish lines to decorate on gable, moulding is more beautiful.The moulding of Figure 11～Figure 14 is a kind of cornice of exaggeration especially, stainless steel also can be set socket reinforcing bar this cornice that upwarp and roofing are socketed.Even the single pitched roof of the present invention, moulding are also very beautiful.

2, the roofing eaves board of the present invention light roof eaves board structure that is heat insulation break bridge structure, the roof structure that can form a kind of cornice formula of the present invention is provided, roofing concrete Guttr board strand of hot bridging is made the point-like heat bridge, reduce heat bridge 90%, to reducing roofing heat transfer heat waste, increase effects of energy saving and emission reduction and have meaning.

3, the structure of light thermal-insulating roofing eaves board of the present invention provides the structure of the roofing moulding that can form a kind of cornice formula of the present invention, also can be applied to the structure of eaves board when being the identical gradient with roof panel.This light thermal-insulating eaves board is fixed on separately on the exterior wall supporting member, than Fig. 5 cast-in-situ concrete eaves board, insulation outside around eaves board, doing again, simple structure, easy construction, reduction cost, also be applicable to the moulding of linear roofing, promptly between light thermal-insulating eaves board outside and ridge, be linked to be straight line, just form the straight line moulding, available heat insulating material or look for sloping material to fill, or use the wooden frame levelling.

4, the outer drainage system of the present invention generation of thoroughly stopping the roof leakage phenomenon.

5, the structure of the anti-shearing bearing capacity in light thermal-insulating roofing eaves board increase sloping section provided by the invention can be easy to be resolved so that light heat insulating board satisfies the problem of anti-shearing bearing capacity.

The present invention can be widely used in the building.

Description of drawings

Fig. 1 is the roofing eaves board structure scheme of installation of a kind of cornice formula of embodiment one, roofing eaves board 4 is light thermal-insulating roofing eaves board 4-2, roof panel 2 is the roof panel 2-1 of concrete base layer, the following roof pitch variety scope is from the edge, indoor of exterior wall supporting member 1, and light thermal-insulating roofing eaves board 4-2 is the light thermal-insulating roofing eaves board of surface for cement mortar or pea gravel concreten topping;

Fig. 2 is the roof structure scheme of installation of a kind of cornice formula of embodiment one, with the difference of Fig. 1 be that light thermal-insulating roofing eaves board 4-2 is steel-sheet steel plate insulation eaves board, the topping of plastering up and down on steel sheet;

Fig. 3 is the roof structure scheme of installation of a kind of cornice formula of embodiment one, roofing eaves board 4 is light thermal-insulating roofing eaves board 4-2, roof panel 2 is the roof panel 2-1 of concrete base layer, roof panel 2 is arc or broken line shape, light thermal-insulating roofing eaves board 4-2 is the light thermal-insulating roofing eaves board of surface for cement mortar or pea gravel concreten topping, the net that tension is arranged in the topping also has reinforcing bar up and down;

Fig. 4 is the roof structure scheme of installation of a kind of cornice formula of embodiment one, roofing eaves board 4 is light thermal-insulating roofing eaves board 4-2, roof panel 2 is light heat insulating board 2-2, light thermal-insulating roofing eaves board 4-2 is that top is steel-sheet steel plate insulation eaves board, the bottom is that the surface is cement mortar or pea gravel concreten topping, the net of tension is arranged in the topping, and the bottom also has reinforcing bar;

Fig. 5 is the roof structure scheme of installation of a kind of cornice formula of embodiment one, roofing eaves board 4 is the roofing eaves board 4-1 of concrete base layer, roof panel 2 is light heat insulating board 2-2, light heat insulating board 2-2 broken line shape, light heat insulating board 2-2 is the light heat insulating board of surface for cement mortar or pea gravel concreten topping, the net that tension is arranged in the topping also has reinforcing bar up and down;

Fig. 6 is the roof structure scheme of installation of a kind of cornice formula of embodiment one, light thermal-insulating roofing eaves board 4-2 is the light thermal-insulating roofing eaves board of surface for cement mortar or pea gravel concreten topping, roof panel 2 is light heat insulating board 2-2, and the net of tension is arranged in the topping, also has reinforcing bar up and down; Also be a kind of roof structure and the mounting method schematic diagram of embodiment four;

Fig. 7 is the roofing moulding of a kind of cornice formula of embodiment one, sees design sketch, the roofing eaves board gradient and the roof panel equidirectional gradient in the building side;

Fig. 8 is the roofing moulding of a kind of cornice formula of embodiment one, sees design sketch, the roofing eaves board gradient and the roof panel rightabout gradient in the building side;

Fig. 9 is the roofing moulding of a kind of cornice formula of embodiment one, and the roofing eaves board is seen design sketch in the building side when being horizontally disposed with;

Figure 10 be roof pitch hour, see design sketch in the building side;

Fig. 7～Figure 10 all belongs to the outstanding mountain formula roof construction of two sloping water outlets;

Figure 11 is the light roof eaves board figure that embodiment one, seven heat insulation break bridge structures are installed;

Figure 12 is the roofing moulding of a kind of cornice formula of embodiment one, sees design sketch in the building side, the roofing eaves board gradient and the roof panel equidirectional gradient, and the roofing eaves board gradient is big, forms big cornice;

Figure 13 is the roofing eaves board gradient and the roof panel equidirectional gradient, and the roofing eaves board is the vertical view that blank design is amplified;

Figure 14 is the drain structure schematic diagram of Figure 13 by embodiment nine;

Figure 15 is the 3rd an explanation accompanying drawing of the difference of the 4th page of a kind of roofing eaves board of the present invention of manual and mounting method and prior art;

Figure 16 is the big figure of A nodal method of Figure 15;

Figure 17 is that embodiment two is provided with the beam of encorbelmenting on the exterior wall supporting member, also is provided with the coupling beam organigram on the beam of encorbelmenting; Or embodiment six drain structure schematic diagrames;

Figure 18 is the light thermal-insulating of 1-1 section among Figure 17 beam construction schematic diagram of encorbelmenting;

Figure 19 is provided with the expansion joint structure schematic diagram on the roofing eaves board;

Figure 20 is the constructional drawing of embodiment four;

Figure 21 is the constructional drawing of embodiment eight;

Figure 22 is the light thermal-insulating of 2-2 section among Figure 21 beam construction schematic diagram of encorbelmenting;

Figure 23 is that the insulation layer of the roofing eaves board of embodiment ten is the structure section schematic diagram of waterproofing course.

The specific embodiment:

Embodiment one: see Fig. 1～Figure 14, a kind of roofing eaves board of present embodiment, it is made up of exterior wall supporting member 1, roof panel 2, roofing eaves board 4; Exterior wall supporting member 1 is the bearing that roofing eaves board 4 and roof panel 2 are positioned at exterior wall; Described exterior wall supporting member 1 is load-bearing exterior wall, concrete beam, girder steel;

Described roofing eaves board 4 is different with roof panel 2 gradients, and the gradient of roof panel 2 is greater than the gradient of roofing eaves board 4; When roof panel 2 is arc or broken line shape (camber of can plastering at the broken line place), the gradient from roof panel 2 upper ends to the lower end line is greater than the gradient of roofing eaves board 4, described roofing eaves board 4 can be the unidirectional gradient with the gradient of roof panel 2, or roofing eaves board 4 is for being horizontally disposed with; Or roof panel 2 is the rightabout gradient (being that the roofing eaves board upwarps) with roofing eaves board 4; Form a kind of roofing eaves board moulding of cornice formula; The gradient of the gradient of described roof panel 2 and roofing eaves board 4 comprises the gradient that forms behind the various techonospheres of roofing; The roofing eaves board of the roofing moulding of described cornice formula has following four kinds of different composite constructions with roof panel, selects one and selects for use;

1), roofing eaves board 4 is light thermal-insulating roofing eaves board 4-2, or roofing eaves board 4 is the light roof eaves board 4-2* that heat insulation break bridge structure is installed; Roof panel 2 is the roof panel 2-1 of concrete base layer, and light thermal-insulating roofing eaves board 4-2 or light roof eaves board 4-2* are connected with roof panel 2-1;

2), roofing eaves board 4 is for there being the roofing eaves board 4-1 of concrete base layer, roof panel 2 is light heat insulating board 2-2, light heat insulating board 2-2 is connected with roofing eaves board 4-1;

3), roofing eaves board 4 is light thermal-insulating roofing eaves board 4-2, or the light roof eaves board 4-2* that installs for heat insulation break bridge structure of roofing eaves board 4 sees Figure 11; Roof panel 2 is light heat insulating board 2-2, and light thermal-insulating roofing eaves board 4-2 or light roof eaves board 4-2* are connected with light heat insulating board 2-2;

4), roofing eaves board 4 is for there being the roofing eaves board 4-1 of concrete base layer, roof panel 2 is the roof panel 2-1 of concrete base layer, roof panel 2-1 is connected with roofing eaves board 4-1;

By Fig. 1～Fig. 6 as seen; the roofing moulding of a kind of cornice formula of the present invention; edge, indoor from exterior wall supporting member 1; to exterior wall supporting member 1 outside; or comprise that also the insulation layer 3-1 in exterior wall supporting member 1 outside and the topping of insulation layer 3-1 are (when there is insulation layer 3-1 in exterior wall supporting member 1 outside; the topping of insulation layer 3-1 is along with the kind of heat-preserving wall is different and different; may be the siphonal lobe masonry topping of thin plaster topping, thick plaster topping or sandwich heat preserving wall body), the vertical section in this scope is trapezoidal or the horn mouth shape changes.And be positioned at by Figure 12～Figure 14 following roof pitch variety point outside the intersection place or intersection of roofing eaves board and roof panel.

Present all kinds of light heat insulating board is a lot, all there is lightweight thermal insulation layer 3 centre of light heat insulating board, the outside of the outer temperature layer 3 of colored heat-insulating steel plate is steel sheets, all there is cement mortar or the pea gravel concreten topping 8 of plastering on other light heat insulating board surface, the various materials of light heat insulating board connect as one (just do not connect and destroyed), but co-operation; What have in topping 8 is provided with reinforcing bar, or/and be provided with the net of tension in the topping, as wire lath, alkaline-resisting screen cloth, sees Figure 19.Insulation layer 3 is as the light heat insulating board of macromolecule heat insulating material, mineral wool panels, foam concrete.These light heat insulating boards have is provided with steel frame, steel truss, steel mesh frame and strengthens, the frame that has has cement mortar to strengthen or the centre has ribs to strengthen, the light heat insulating board that also has is the light-duty plate that is provided with plain plate or profiled sheet, can adopt structure of the present invention, form the roofing moulding of a kind of cornice formula of the present invention.

When light thermal-insulating roofing eaves board 4-2 adopts topping 8 to be the steel plate warming plate eaves board of steel plate; if roof panel 2 can the surface have the plaster insulation roof slab of topping 8 of cement mortar or pea gravel concreten; for reaching the unanimity of decorative appearance; can be incubated on the steel sheet of eaves board the brushing adhesive stick as the interfacial agents covering of plastering again at steel plate; make that steel plate insulation eaves board and roof panel exterior rendering impression are unified, or cover with decorating watt a roofing with the unlike material topping.Roofing eaves board 4 toppings are the light thermal-insulating roofing eaves board 4-2 of steel plate; when roof panel 2 also is a topping 8 for the light heat insulating board 2-2 of steel plate; the steel plate on light heat insulating board 2-2 top should hide the steel plate of light thermal-insulating roofing eaves board 4-2 at seam crossing, in order to avoid water enters exterior wall supporting member 1 top by the slit.

Embodiment two: see Figure 17, the difference of present embodiment and embodiment one is, the present embodiment increase beam 1-1 that encorbelments, and encorbelment beam 1-1 and 1 anchoring of exterior wall supporting member, roofing eaves board 4 is fixed with the beam 1-1 that encorbelments; Or also on the beam 1-1 that encorbelments, being provided with coupling beam 1-2, roofing eaves board 4 is also fixed with coupling beam 1-2; Or outside the arranged outside of exterior wall supporting member 1 eaves corridor post, on the outer eaves corridor post coupling beam is arranged, roofing eaves board 4 also with outer eaves corridor post on coupling beam fix.

When roofing eaves board width is big, need the roofing eaves board to be installed by present embodiment, also be provided with the bearing of roofing eaves board in the outside of exterior wall supporting member.Large public building, monastery class building often need to be provided with outer eaves corridor post.Encorbelment beam 1-1, coupling beam 1-2 adopts light heat insulation material to be advisable, and has ready conditions and can make of timber, can be with light-duty complex heat-preservation beam when not having condition with timber.As Figure 17, shown in Figure 180, encorbelment beam 1-1, coupling beam 1-2 be with thin-walled C shape steel, or be bent into channel-section steel or C shape steel with galvanized steel plain sheet, interior fill insulant material, and plastering in the outside, should test, and satisfies stressed safety, satisfies the anchorage length requirement; Or press Figure 22, the periphery topping of plastering, in the net of tension, the light thermal-insulating composite beam of reinforcing bar are arranged.On roofing eaves board, the beam of encorbelmenting, coupling beam, decoration is arranged, will make that cornice formula roof structure is more beautiful.

Embodiment three: a kind of roofing eaves board of present embodiment, present embodiment is to upwarp at the corner eaves board at the oblique ridge of roofing corner place, form the structure of the cornice formula moulding of corner ridge, described corner eaves board is a light thermal-insulating corner eaves board, or is concrete corner eaves board; Described roofing eaves board is the moulding of cornice formula, or is oblique orthoscopic moulding.

Need to amplify near the angle, room the time sample during construction, transition increases absolute altitude gradually, locates to form the cornice formula moulding that upwarps in the corner.A lot of big roof buildings only form the moulding of cornice formula at the corner ridge, and the eaves board except corner are oblique orthoscopic, and moulding is also very beautiful.Big roof building has outstanding mountain top, gable and hip roof top, hard mountain top, top, hip roof, collects together the mountain top, and the present invention's cooperation all can realize with these big roof constructions of structural measure.But for general civilian construction simplified construction, adopt outstanding mountain top the simplest, promptly do not need to adopt the moulding of embodiment three.

Embodiment four: see Figure 20, a kind of roofing eaves board of present embodiment is the structure that increases the anti-shearing bearing capacity in sloping section when the roofing eaves board is light thermal-insulating roofing eaves board 4-2; Described light thermal-insulating roofing eaves board 4-2 is by insulation layer 3, topping 8, and upper reinforcement 7 is or/and the net 5 of tension, or/and also have lower rebar 7-1 or/and the net 5-1 of the net 5 of tension, sloping section shear-stable tension forms; Described insulation layer 3 is connected with topping 8, and the net 5 of upper reinforcement 7, lower rebar 7-1 and tension is positioned at topping 8, is provided with the net 5-1 of shear-stable tension in insulation layer 3, the oblique setting of net 5-1 of shear-stable tension or vertical the setting; The net 5 of described tension, the net 5-1 of shear-stable tension are wire lath, alkaline-resisting screen cloth or basalt fibre screen cloth, and the net 5-1 of described shear-stable tension and the net 5 of tension can be same material or be different materials; The various materials of described light thermal-insulating roofing eaves board 4-2 connect as one, co-operation, and formation is provided with the light thermal-insulating roofing eaves board of the net of shear-stable tension.

Embodiment five: see Figure 20; the difference of present embodiment and embodiment four is; present embodiment substitutes upper reinforcement 7 or/and the net 5 of tension with steel sheet; or/and also substitute lower rebar 7-1 or/and the net 5 of tension; steel sheet and topping 8 are bonding, or/and steel sheet and insulation layer 3 are bonding.

Embodiment the four, the 5th, low in order to solve the light thermal-insulating Tensile strength, do not satisfy the problem of the anti-shearing bearing capacity in sloping section sometimes.

Embodiment six: see Fig. 1～Fig. 4, Fig. 6, a kind of roofing eaves board of present embodiment, described a kind of roofing eaves board is that the roofing eaves board is the installation constitution of light thermal-insulating roofing eaves board, and it is made up of light thermal-insulating roofing eaves board 4-2, exterior wall supporting member 1, roof panel 2; Described exterior wall supporting member 1 is the bearing of light thermal-insulating roofing eaves board 4-2, and described exterior wall supporting member 1 is load-bearing exterior wall, concrete beam, girder steel;

Light thermal-insulating roofing eaves board 4-2 is installed and following several mode is arranged, select one and select for use or select for use multiple simultaneously with the joint construction of adjacent roof panel 2:

A, top connect: on light thermal-insulating roofing eaves board 4-2 top reinforcing bar or steel part 7 (steel part such as steel plate bar are set, be applicable to that with topping be that the steel plate warming plate of steel plate is connected), on roof panel 2 tops reinforcing bar or steel part 6 are set, the reinforcing bar on roofing eaves board top or steel part 7 are connected with the reinforcing bar or the steel part 6 on roof panel top; The light thermal-insulating roofing eaves board 4-2 that maybe will be provided with steel frame, steel truss, steel mesh frame or topping and be the steel plate warming plate of steel plate is connected with reinforcing bar or steel part 7 with roof panel 2 tops;

B, bottom connect: in light thermal-insulating roofing eaves board 4-2 bottom reinforcing bar 7-1 or steel part 7-1-1 are set, reinforcing bar 7-1 or steel part 7-1-1 are connected with exterior wall supporting member 1; The light thermal-insulating roofing eaves board 4-2 bottom that maybe will be provided with steel frame, steel truss, steel mesh frame or topping and be the steel plate warming plate of steel plate is connected with exterior wall supporting member 1 with reinforcing bar 7-1 or steel part 7-1-1;

Described light thermal-insulating roofing eaves board 4-2 can be prefabricated units, or the member of installing for site operation:

A, prefabricated light thermal-insulating roofing eaves board 4-2 and exterior wall supporting member 1 is fixing with crab-bolt 20 sees Fig. 2, Fig. 4;

B or below crab-bolt 20, be provided with steel plate band 20-1, steel plate band 20-1 is along the bearing setting of light thermal-insulating roofing eaves board 4-2, steel plate band 20-1 goes up porose, and crab-bolt 20 is passed the hole of steel plate band 20-1, and light thermal-insulating roofing eaves board 4-2 and exterior wall supporting member 1 is fixing; (adding behind the upper steel plate band with the crab-bolt installation surface has the plaster light thermal-insulating roofing eaves board of topping 8 of cement mortar or pea gravel concreten, installs more reliable.)；

Described light thermal-insulating roofing eaves board 4-2 can be prefabricated units, or is the site operation member;

3), bonding with cementitious materials:

When light thermal-insulating roofing eaves board 4-2 is installed, with bonding between light thermal-insulating roofing eaves board 4-2 and the exterior wall supporting member 1 with cementitious materials, described cementitious materials is cement mortar or pea gravel concreten, or the pea gravel concreten of the cement mortar of modification or modification, or is structure glue;

Or also in the cementitious materials material, adding the net 5 of tension, the net of tension 5 is overhanging to be bonded on basic unit's body of wall of exterior wall supporting member 1, or is bonded on the insulation layer of basic unit's body of wall of exterior wall supporting member 1; The net 5 of described tension is wire lath, alkaline-resisting screen cloth or basalt fibre screen cloth, and the net 5 of described tension can be a kind of net, or is that multiple net collocation is used;

4), connect with the net 5 of tension, following 3 kinds of methods are arranged, select one and select for use, the net 5 of described tension can be a kind of net, or be multiple net collocation application:

A, prefabricated light thermal-insulating roofing eaves board 4-2 top are or/and bottom when being provided with the net 5 of tension, or prefabricated light thermal-insulating roofing eaves board (is seen patent No. ZL201010279845.0 when being the steel plate warming plate, ZL201020148864.5, applicant is granted patent, and the brushing interfacial agents can be plastered on the steel plate warming plate); Light thermal-insulating roofing eaves board 4-2 installation in position and place, the slit between light thermal-insulating roofing eaves board 4-2 heat insulating material is bonding, (for example use polyurethane foam glue, thermal insulation mortar or cement polymer mortar bonding the bonding back of heat insulating material, place, slit between light thermal-insulating roofing eaves board 4-2 and the roof panel 2, place, slit heat insulating material is not bonding, crack even fracture easily take place), along seam the net 5 of tension is installed, the lap length requirement is satisfied in the net 5 and the both sides of tension;

In brushing of place, slit or spraying interfacial agents, mend with cement mortar or pea gravel concreten smear, levelling, or the place, slit is directly with cement polymer mortar or cement polymer pea gravel concreten plaster leveling (need not brush or spray interfacial agents), and with the top of the net 5 of tension and both sides light thermal-insulating roofing eaves board 4-2 or/and the bottom is bonding, and be connected between prefabricated light thermal-insulating roofing eaves board 4-2 and the roof panel 2;

The net 5 of tension can not be established on B, prefabricated half-finished light thermal-insulating roofing eaves board 4-2 top, light thermal-insulating roofing eaves board 4-2 installation in position and the slit located the heat insulating material adhering and sealing after (place, slit heat insulating material is adhering and sealing not, crack even fracture easily take place), lay the net 5 of tension on topping 8 tops of half-finished light thermal-insulating roofing eaves board 4-2; Brushing or spraying interfacial agents (available water soluble adhesive preparation), second time topping 8 of cast in situs, and plaster leveling again; Second time topping 8 is bonded as one with the topping 8 of half-finished light thermal-insulating roofing eaves board 4-2, also the topping with roof panel 2 tops is bonded as one, net 5 with tension between prefabricated half-finished light thermal-insulating roofing eaves board 4-2 is interconnected, and be connected between prefabricated half-finished light thermal-insulating roofing eaves board 4-2 and the roof panel 2; Described topping 8 is cement mortar or pea gravel concreten, or the pea gravel concreten of the cement mortar of modification or modification;

When prefabricated light thermal-insulating roofing eaves board is installed, all need to smear cement mortar or pea gravel concreten again, or smear the cement mortar of modification or the pea gravel concreten of modification again; Will brushing interfacial agents (available water soluble adhesive preparation) in the construction, the topping of plastering of front and back secondary reliably is bonded as one, or directly with cement polymer mortar or cement polymer pea gravel concreten plaster leveling, and paste the net 5 of tension; Or/and the connection of steel plate seaming, or/and the bonding connection of steel plate;

C, light thermal-insulating roofing eaves board 4-2 are the member of site operation, are provided with the net 5 of tension on light thermal-insulating roofing eaves board 4-2 in the lower protective layer 8, and the net 5 of tension is connected as a single entity light thermal-insulating roofing eaves board 4-2, and with roof panel 2 between be connected;

After installing and fixing, the slope change scope between light thermal-insulating roofing eaves board 4-2 and the roof panel 2 is looked for the slope;

The various materials of described composition light thermal-insulating roofing eaves board 4-2 connect as one, and co-operation forms light thermal-insulating roofing eaves board; Described light thermal-insulating roofing eaves board is the moulding of cornice formula, or is the moulding of generic linear formula.

When prefabricated light thermal-insulating roofing eaves board 4-2 is installed, should at first prefabricated light thermal-insulating roofing eaves board 4-2 be fixed, the outer end can prop up with support.With the auxiliary fixation of crab-bolt, easy for installation as the prefabricated light thermal-insulating roofing eaves board other end.The polyethylene crab-bolt good endurance that has, the heat bridge of no Metallic rod core does not increase heat transfer, and single stretching resistance value can reach 1.5KN, can satisfy the requirement that light thermal-insulating roofing eaves board is installed.By Fig. 1～Fig. 4 and Fig. 6 as seen, crab-bolt is at fixing light thermal-insulating roofing eaves board, and the roof panel upper protective layer is connected in the transition with light thermal-insulating roofing eaves board, can play an important role.

Carry out waterproofing after the heat insulating work installation of roofing eaves board, roof panel and roof panel again, or also carry out the roof decorations engineering.Present embodiment provides the method for multiple installation light thermal-insulating roofing eaves board 4-2, and according to the material difference of light thermal-insulating roofing eaves board 4-2, and the material of roof panel 2 is different and easy construction is selected for use.At roof waterproof during without the iron sheet waterproof, when light thermal-insulating roofing eaves board is the steel plate warming plate, should be incubated on the steel sheet of eaves board the brushing adhesive stick as the interfacial agents covering of plastering again at steel plate, make the decoration of roofing eaves board and roof panel to unify.The cement mortar screeding to falls layer of following roof pitch variety scope shown in Figure 4 need be bonding with the steel plate warming plate, need be incubated on the steel sheet of eaves board the brushing adhesive stick at steel plate and look for the slope again as interfacial agents.

Embodiment seven: see Figure 11, a kind of roofing eaves board of present embodiment, described a kind of roofing eaves board are that the roofing eaves board is the light roof eaves board structure of heat insulation break bridge structure; Present embodiment is made up of light roof eaves board 4-2*, exterior wall supporting member 1, supporting 1-5, truss or rack 1-5-2 (should be stainless steel rebar for avoiding corrosion), coupling beam 1-5-3; Described exterior wall supporting member 1 is load-bearing exterior wall, concrete beam, girder steel; Mounting support 1-5 at a certain distance on exterior wall supporting member 1, supporting 1-5 and 1 anchoring of exterior wall supporting member, supporting 1-5 is concrete hanging top supporting or is the steel truss supporting of encorbelmenting (should be stainless steel rebar for avoiding corrosion), or is the peripheral supporting that pours into cement polymer mortar formation of steel truss supporting of encorbelmenting; Truss or rack 1-5-2 are connected with supporting 1-5, and truss or rack 1-5-2 outer end are connected (coupling beam can be fill insulant material in the light steel of thin-walled) with coupling beam 1-5-3; Light roof eaves board 4-2* is connected with coupling beam 1-5-3; Light roof eaves board 4-2* can be light thermal-insulating roofing eaves board, also can (comprise blank light roof eaves board for uninsulated light roof eaves board, can avoid the power on the wind direction), supporting 1-5 makes the point-like heat bridge with the strand of hot bridging of roofing eaves board, forms the light roof eaves board of heat insulation break bridge structure.

The heat insulation break bridge structure of weight, particularly Figure 11 that should as far as possible reduce the roofing eaves board of cantilever is difficult to install heavy roofing eaves board.Present embodiment can make various designs with the roofing eaves board of the rightabout gradient.

Embodiment eight: see Figure 17, Figure 21, a kind of roofing eaves board of present embodiment, described a kind of roofing eaves board are that the roofing eaves board is the light roof eaves board structure of heat insulation break bridge structure; Present embodiment is made up of light roof eaves board 4-2*, exterior wall supporting member 1, the beam 1-1 that encorbelments; Described exterior wall supporting member 1 is load-bearing exterior wall, concrete beam, girder steel; The beam 1-1 that encorbelments, encorbelment beam 1-1 and 1 anchoring of exterior wall supporting member are installed on exterior wall supporting member 1 at a certain distance; The beam 1-1 that encorbelments is the bearing of light roof eaves board 4-2*, and light roof eaves board 4-2* is positioned at wall supporting member 1 outside, or is positioned at the outside of the insulation layer 3-1 of exterior wall supporting member 1; Described light roof eaves board 4-2* can be light thermal-insulating roofing eaves board, also can (comprise blank light roof eaves board for uninsulated light roof eaves board, can avoid the power on the wind direction), the beam 1-1 that encorbelments makes the point-like heat bridge with the strand of hot bridging of roofing eaves board, forms the light roof eaves board of heat insulation break bridge structure.

Present embodiment is the heat insulation break bridge structure of another kind of roofing eaves board.The beam 1-1 that encorbelments adopts light heat insulation material to be advisable, and has ready conditions and can make of timber, can be with light-duty complex heat-preservation beam when not having condition with timber.As Figure 17, Figure 18, Figure 21, shown in Figure 22.Light-duty complex heat-preservation beam can be used thin-walled C shape steel, or is bent into channel-section steel or C shape steel with galvanized steel plain sheet, interior fill insulant material, and plastering in the outside, should test, and satisfies stressed safety, satisfies the anchorage length requirement; Or press Figure 22, the periphery topping of plastering, in the net of tension, the light thermal-insulating composite beam of reinforcing bar are arranged.

The beam 1-1 that encorbelments adopt ordinary concrete to encorbelment to reduce heat bridge about 75～80% for Liang Shike, but formwork trouble, and heat bridge is still many; When the beam 1-1 that encorbelments adopts light-duty complex heat-preservation beam, can reduce heat bridge 90～95%, and the light-duty complex heat-preservation beam of prefabricated installation is very simple, easy construction.

Embodiment nine: see Figure 11, Figure 14, Figure 17, a kind of roofing eaves board of present embodiment is the drain structure that drain hole 26 is set on roofing eaves board 4, forms outer drainage system; The roofing eaves board 4-1 that described roofing eaves board 4 is a concrete base layer or for light thermal-insulating roofing eaves board 4-2; The roof panel 2-1 that described roof panel 2 is concrete base layers, or be light heat insulating board 2-2; Described roofing is shaped to the moulding of cornice formula, or is the linear moulding; Or baffle plate 25 (or being referred to as parapet) is set on roofing eaves board 4 outer ends also.

The roofing eaves board outside of present embodiment Figure 17 need be provided with watertight shutter, recommends to adopt light thermal-insulating watertight shutter or stainless steel watertight shutter.The drain hole of present embodiment leaves the roof becomes outer draining, and the enter house situation of face of seepage can not take place, and can thoroughly solve the common quality defect that the parapet draining is leaked.Figure 14 adopts the structure of present embodiment on the concrete Guttr board, energy saving building also needs outer insulation, adds concrete Guttr board formwork, increases a lot of engineering quantitys, the cost height.

Leader pipe upper end in the drain hole bottom can be beautified the outstanding position of the leader pipe of upper end in conjunction with decoration.

Embodiment ten: see Figure 23, the insulation layer that a kind of roofing eaves board of present embodiment is the roofing eaves board is the structure of waterproofing course; Will be between roofing eaves board 4 insulation layers 3 mutually bonding the or jam-packed of sealing install, (be floor or above the roof panel) filling elastic packing waterproofing materials 11 is bonding with the sealing of upper end, slit in the upper end in insulation layer 3 slits of roofing eaves board 4; Described insulation layer 3 is the heat insulating material with heat insulating material of water resistance, as macromolecule heat insulating material, thermal insulation mortar, closed pore waterproof foam concrete, forms a kind of roofing eaves board from waterproof.

During roof draining rain, rainwater must be along roofing eaves board insulation layer seam crossing infiltration roof leaking.

Present embodiment is utilized the water resistance of insulation layer, when prefabricated and installation roofing eaves board, with the bonding or jam-packed installation of sealing mutually between the insulation layer, the last abutted seam of all warming plates is all pressed present embodiment clog adhering and sealing with the elastic packing waterproofing materials, insulation layer just has water resistance, forms the roofing eaves board from water resistance, particularly heat insulating material is selected elasticity for use material such as EPS plate adaptive temperature is changed preferably, more favourable, be convenient construction, should reduce seam as far as possible.

About explanation of the present invention:

1, about " net of tension ".

As long as in technical standard, stipulated the stretching resistance value of " net of tension ", just " net of tension " can be converted to reinforcing bar uses, for example by " alkali-resistant glass fibre screen cloth " JCT841-200 standard, the alternative steel area of alkaline-resisting screen cloth sees Table 1 (only for reference).

Table 1 is by the alternative gauze wire cloth specification of " alkali-resistant glass fibre screen cloth " JCT841-2007 standard conversion

Annotate: the tensile strength of wire design load f of galvanized electric welded mesh in the table 1 _y=210N/mm ²

In existing " Code for design of concrete structures " GB50010, stipulated the regulation of the minimum steel content of reinforcing bar, this be because quantity of reinforcement too primary structural component be easy to cracking.Install by " net of tension ", can solve the problem that member is easy to ftracture." net of tension " also alternative distribution reinforcement, easy for installation.

Be that with multiple net collocation advantages of application because every kind of material has its pluses and minuses, the shortcoming that can avoid certain material is used in collocation, brings into play the advantage of various materials.The seam crossing of prefabricated light thermal-insulating roofing eaves board overlaps when connecting mutually with the net of tension, with the net of the bonding tension of cement polymer mortar, can avoid approaching dehydration lost strength and efflorescence because of the topping of plastering.

Basalt silk and basalt cloth have been arranged at present, the basalt silk has excellent ageing-resistant, anti acid alkali performance energy, excellent mechanical property, basalt fibre net by the braiding of basalt silk will occur, just many again a kind of net---basalt fibre nets in the net materials of tension when the time comes, can galvanized steel wire netting and alkali-resistant glass fiber mesh or the collocation of basalt fibre net is shared, the shortcoming that may corrode in remedying that galvanized steel wire netting is long-term and using.Along with development of science and technology, may also have other material to be suitable for doing the net of tension, be applicable to the present invention.

1), add Admixture, flyash, water reducing agent, waterproof agent, water-loss reducer, resistance and split the cement mortar of fiber and other material modification or the pea gravel concreten of modification 2, the pea gravel concreten of the cement mortar of modification of the present invention or modification is meant:; 2), also comprise the cement polymer mortar or the cement polymer concrete that add water-loss reducer, bonding adhesive formation, available dry powder and mortar or building site add the emulsion adhesive preparation.Fiber is split in resistance polypropylene chopped strand, alkali-proof glass chopped strand, basalt fibre, hemp cut etc.3), also comprise cement fibrolite plate or calcium silicate board with microporous.

3, bonding requirement difference to interfacial agents (or being referred to as cementitious materials) between the different materials, interfacial agents essence is bonding agent.For example mutual when bonding between the inorganic material, possible plain-water slurry just satisfies the bonding requirements as interfacial agents; Bonding with the macromolecule heat insulating material, or be difficult to bonding material adhesive constantly, need the interfacial agents of macromolecule adhesive preparation, interfacial agents can be by my patent of invention construction of patent No. ZL200810170949.0.

4, the exterior wall supporting member, when middle supporting member is girder steel, peg should be set on girder steel, or welded reinforcement is connected with light thermal-insulating eaves board of the present invention, should meet the pertinent regulations of structural steel design construction.

5, when the roofing eaves board is longer, the shrinkage joint should be set, see Figure 19, with the crack of avoiding summer in the winter temperature difference to produce.

6, the insulation layer thickness of roof panel may be greater than roofing eaves board insulation layer thickness (particularly heating regional architecture), at this moment: 1), can install by accompanying drawing 1～Fig. 4 of the present invention, Fig. 6, roof panel roof boarding heat insulating layer top absolute altitude is higher than roofing eaves board insulation layer absolute altitude, with cement mortar or the cement polymer mortar formation curve of plastering.2), also can reduce the absolute altitude of the concrete beam indoor concrete Guttr board of exterior wall supporting member, the height of reduction is the poor of insulation layer height, and light heat insulating board is installed on the concrete Guttr board, does not represent in accompanying drawing of the present invention.

Claims

1. roofing eaves board, it comprises exterior wall supporting member (1), roof panel (2), it is characterized in that, it also comprises roofing eaves board (4); Exterior wall supporting member (1) is the bearing that roofing eaves board (4) and roof panel (2) are positioned at exterior wall; Described exterior wall supporting member (1) is load-bearing exterior wall, concrete beam, girder steel; It is characterized in that,

Described roofing eaves board (4) is different with roof panel (2) gradient, and the gradient of roof panel (2) is greater than the gradient of roofing eaves board (4); When roof panel (2) is arc or broken line shape, the gradient from roof panel (2) upper end to the lower end line is greater than the gradient of roofing eaves board (4), described roofing eaves board (4) can be the unidirectional gradient with the gradient of roof panel (2), or roofing eaves board (4) is for being horizontally disposed with; Or roof panel (2) is the rightabout gradient with roofing eaves board (4); Form a kind of roofing eaves board moulding of cornice formula;

The roofing eaves board (4) of the roofing moulding of described cornice formula has following four kinds of different composite constructions with roof panel (2), according to using needs to select a selection:

1), roofing eaves board (4) is light thermal-insulating roofing eaves board (4-2), or roofing eaves board (4) is the light roof eaves board (4-2*) that heat insulation break bridge structure is installed; Roof panel (2) is the roof panel (2-1) of concrete base layer, and light thermal-insulating roofing eaves board (4-2) is connected with roof panel (2-1);

2), roofing eaves board (4) is for there being the roofing eaves board (4-1) of concrete base layer, roof panel (2) is light heat insulating board (2-2), light heat insulating board (2-2) is connected with roofing eaves board (4-1);

3), roofing eaves board (4) is light thermal-insulating roofing eaves board (4-2), or roofing eaves board (4) is the light roof eaves board (4-2*) that heat insulation break bridge structure is installed; Roof panel (2) is light heat insulating board (2-2), and light thermal-insulating roofing eaves board (4-2) is connected with light heat insulating board (2-2);

4), roofing eaves board (4) is for there being the roofing eaves board (4-1) of concrete base layer, roof panel (2) is the roof panel (2-1) of concrete base layer, roof panel (2-1) is connected with roofing eaves board (4-1); The gradient of the gradient of described roof panel (2) and roofing eaves board (4) comprises the gradient that forms behind the various techonospheres of roofing.

2. a kind of roofing eaves board according to claim 1 is characterized in that it also comprises the beam of encorbelmenting (1-1), beam of encorbelmenting (1-1) and 1 anchoring of exterior wall supporting member, and roofing eaves board 4 is fixing with the beam (1-1) of encorbelmenting; Or also on the beam of encorbelmenting (1-1), being provided with coupling beam (1-2), roofing eaves board (4) is also fixing with coupling beam (1-2); Or outside the arranged outside of exterior wall supporting member (1) eaves corridor post, on the outer eaves corridor post coupling beam is arranged, roofing eaves board (4) also with outer eaves corridor post on coupling beam fix.

3. a roofing eaves board is characterized in that, the corner eaves board at the oblique ridge of roofing corner place upwarps, and forms the structure of the cornice formula moulding of corner ridge, and described corner eaves board is a light thermal-insulating corner eaves board, or is concrete corner eaves board; Described roofing eaves board is the moulding of cornice formula, or is oblique orthoscopic moulding.

4. a roofing eaves board is characterized in that, described a kind of roofing eaves board is the structure that increases the anti-shearing bearing capacity in sloping section when the roofing eaves board is light thermal-insulating roofing eaves board (4-2); Light thermal-insulating roofing eaves board (4-2) comprises insulation layer (3), topping (8), and upper reinforcement (7) is or/and the net of tension (5), or/and also have lower rebar (7-1) or/and the net (5-1) of the net of tension (5), sloping section shear-stable face tension; Described insulation layer (3) is connected with topping (8), the net (5) of upper reinforcement (7), lower rebar (7-1) and tension is positioned at topping (8), in insulation layer (3), be provided with the net (5-1) of shear-stable tension, oblique setting of the net of shear-stable tension (5-1) or vertical the setting; The net (5-1) of the net of described tension (5), shear-stable tension is wire lath, alkaline-resisting screen cloth or basalt fibre screen cloth, and the net (5) of net of described shear-stable tension (5-1) and tension can be same material or is different materials; The various materials of described light thermal-insulating roofing eaves board (4-2) connect as one, co-operation, and formation is provided with the light thermal-insulating roofing eaves board of the net of shear-stable tension.

5. a kind of roofing eaves board according to claim 4 is characterized in that, substitutes upper reinforcement (7) or/and the net of tension (5) with steel sheet, or/and also substitute lower rebar (7-1) or/and the net of tension (5); Steel sheet and topping (8) are bonding, or/and steel sheet and insulation layer (3) are bonding.

6. roofing eaves board, described a kind of roofing eaves board are the installation constitution of roofing eaves board when being light thermal-insulating roofing eaves board (4-2); It is characterized in that it comprises light thermal-insulating roofing eaves board (4-2), exterior wall supporting member 1, roof panel 2; Described exterior wall supporting member 1 is the bearing of light thermal-insulating roofing eaves board (4-2), and described exterior wall supporting member 1 is load-bearing exterior wall, concrete beam, girder steel;

Light thermal-insulating roofing eaves board (4-2) is installed and following several mode is arranged, select one and select for use or select for use multiple simultaneously with the joint construction of adjacent roof panel 2:

A, top connect: on light thermal-insulating roofing eaves board (4-2) top reinforcing bar or steel part (7) are set, on roof panel (2) top reinforcing bar or steel part (6) are set, the reinforcing bar on roofing eaves board top or steel part (7) are connected with the reinforcing bar or the steel part 6 on roof panel top; The light thermal-insulating roofing eaves board (4-2) that maybe will be provided with steel frame, steel truss, steel mesh frame or topping and be the steel plate warming plate of steel plate is connected with reinforcing bar or steel part (7) with roof panel (2) top;

B, bottom connect: in light thermal-insulating roofing eaves board (4-2) bottom reinforcing bar (7-1) or steel part (7-1-1) are set, reinforcing bar (7-1) or steel part (7-1-1) are connected with exterior wall supporting member (1); Maybe will be provided with steel frame, steel truss, steel mesh frame or topping is light thermal-insulating roofing eaves board (4-2) the bottom reinforcing bar (7-1) or the steel part (7-1-1) of the steel plate warming plate of steel plate, is connected with exterior wall supporting member (1);

Described light thermal-insulating roofing eaves board (4-2) can be prefabricated units, or the member of installing for site operation:

A, prefabricated light thermal-insulating roofing eaves board (4-2) is fixing with exterior wall supporting member 1 with crab-bolt (20);

B or below crab-bolt (20), be provided with steel plate band (20-1), steel plate band (20-1) is along the bearing setting of light thermal-insulating roofing eaves board (4-2), steel plate band (20-1) is gone up porose, crab-bolt (20) is passed the hole of steel plate band (20-1), and light thermal-insulating roofing eaves board (4-2) and exterior wall supporting member (1) is fixing;

Described light thermal-insulating roofing eaves board (4-2) can be prefabricated units, or is the site operation member;

3), bonding with cementitious materials:

When light thermal-insulating roofing eaves board (4-2) is installed, with bonding between light thermal-insulating roofing eaves board (4-2) and the exterior wall supporting member (1) with cementitious materials, described cementitious materials is cement mortar or pea gravel concreten, or the pea gravel concreten of the cement mortar of modification or modification, or is structure glue;

Or also in the cementitious materials material, adding the net (5) of tension, the net of tension (5) is overhanging to be bonded on basic unit's body of wall of exterior wall supporting member (1), or is bonded on the insulation layer of basic unit's body of wall of exterior wall supporting member (1); The net of described tension (5) is wire lath, alkaline-resisting screen cloth or basalt fibre screen cloth, and the net of described tension (5) can be a kind of net, or is that multiple net collocation is used;

4), connect with the net (5) of tension, following 3 kinds of methods are arranged, select one and select for use, the net of described tension (5) can be a kind of net, or be multiple net collocation application:

A, prefabricated light thermal-insulating roofing eaves board (4-2) top be or/and bottom when being provided with the net (5) of tension, or prefabricated light thermal-insulating roofing eaves board is when being the steel plate warming plate; Light thermal-insulating roofing eaves board (4-2) installation in position and place, the slit between the light thermal-insulating roofing eaves board (4-2) heat insulating material is bonding, with the slit between light thermal-insulating roofing eaves board (4-2) and the roof panel (2) place heat insulating material bonding after, along seam the net (5) of tension is installed, the net of tension (5) satisfies the lap length requirement with both sides;

In brushing of place, slit or spraying interfacial agents, mend with cement mortar or pea gravel concreten smear, levelling, or the place, slit is directly with cement polymer mortar or cement polymer pea gravel concreten plaster leveling, and with the top of the net (5) of tension and both sides light thermal-insulating roofing eaves boards (4-2) or/and the bottom is bonding, and be connected between prefabricated light thermal-insulating roofing eaves board (4-2) and the roof panel (2);

The net (5) of tension can not be established on B, prefabricated half-finished light thermal-insulating roofing eaves board (4-2) top, light thermal-insulating roofing eaves board (4-2) installation in position and the slit located the heat insulating material adhering and sealing after, lay the net (5) of tension on topping 8 tops of half-finished light thermal-insulating roofing eaves board (4-2); Brushing or spraying interfacial agents, second time topping of cast in situs (8), and plaster leveling again; Second time topping (8) is bonded as one with the topping (8) of half-finished light thermal-insulating roofing eaves board (4-2), also the topping with roof panel (2) top is bonded as one, net (5) with tension between prefabricated half-finished light thermal-insulating roofing eaves board (4-2) is interconnected, and be connected between prefabricated half-finished light thermal-insulating roofing eaves board (4-2) and the roof panel (2); Described topping (8) is cement mortar or pea gravel concreten, or the pea gravel concreten of the cement mortar of modification or modification;

When prefabricated light thermal-insulating roofing eaves board (4-2) is installed, all need to smear cement mortar or pea gravel concreten again, or smear the cement mortar of modification or the pea gravel concreten of modification again; Usually will the brushing interfacial agents in the construction, the topping of plastering of front and back secondary reliably is bonded as one, if when adopting cement polymer mortar or cement polymer pea gravel concreten plaster leveling, can be without interfacial agents, and paste the net (5) of tension; Or/and the connection of steel plate seaming, or/and the bonding connection of steel plate; After installing and fixing, the slope change scope between light thermal-insulating roofing eaves board (4-2) and roof panel (2) is looked for the slope; The various materials of described composition light thermal-insulating roofing eaves board (4-2) connect as one, and co-operation forms light thermal-insulating roofing eaves board; Described light thermal-insulating roofing eaves board is the moulding of cornice formula, or is the moulding of generic linear formula.

7. a roofing eaves board is characterized in that, described a kind of roofing eaves board is that the roofing eaves board is the light roof eaves board structure of heat insulation break bridge structure; It comprises light roof eaves board (4-2*), exterior wall supporting member (1), supporting (1-5), truss or rack (1-5-2), coupling beam (1-5-3); Described exterior wall supporting member (1) is load-bearing exterior wall, concrete beam, girder steel; Mounting support (1-5) at a certain distance on exterior wall supporting member (1), supporting (1-5) and 1 anchoring of exterior wall supporting member, supporting (1-5) is supported for concrete hanging top or is the steel truss supporting of encorbelmenting, or pours into the supporting of cement polymer mortar formation for the steel truss supporting periphery of encorbelmenting; Truss or rack (1-5-2) are connected with supporting (1-5), and truss or rack (1-5-2) outer end is connected with coupling beam (1-5-3); Light roof eaves board (4-2*) is connected with coupling beam (1-5-3); Light roof eaves board (4-2*) can be light thermal-insulating roofing eaves board, also can be uninsulated light roof eaves board, and supporting (1-5) is made the point-like heat bridge with the strand of hot bridging of roofing eaves board, forms the light roof eaves board of heat insulation break bridge structure.

8. a roofing eaves board is characterized in that, described a kind of roofing eaves board is that the roofing eaves board is the light roof eaves board structure of heat insulation break bridge structure; It comprises light roof eaves board (4-2*), exterior wall supporting member (1), the beam of encorbelmenting (1-1); Described exterior wall supporting member (1) is load-bearing exterior wall, concrete beam, girder steel; The beam (1-1) of encorbelmenting, beam of encorbelmenting (1-1) and exterior wall supporting member (1) anchoring are installed on the exterior wall supporting member (1) at a certain distance; The beam (1-1) of encorbelmenting is the bearing of light roof eaves board (4-2*), and light roof eaves board (4-2*) is positioned at wall supporting member (1) outside, or is positioned at the outside of the insulation layer (3-1) of exterior wall supporting member (1); Described light roof eaves board (4-2*) can be light thermal-insulating roofing eaves board, also can be uninsulated light roof eaves board, and the beam of encorbelmenting (1-1) is made the point-like heat bridge with the strand of hot bridging of roofing eaves board, forms the light roof eaves board of heat insulation break bridge structure.

9. a roofing eaves board is characterized in that, described a kind of roofing eaves board is the drain structure that drain hole (26) are set on roofing eaves board (4), forms outer drainage system; Described roofing eaves board (4) is the roofing eaves board (4-1) of concrete base layer, or is light thermal-insulating roofing eaves board (4-2); Described roof panel (2) is the roof panel (2-1) of concrete base layer, or is light heat insulating board (2-2); Described roofing is shaped to the moulding of cornice formula or is the linear moulding; Or also on roofing eaves board (4) outer end, baffle plate (25) is set.

10. a roofing eaves board is characterized in that, the insulation layer that described a kind of roofing eaves board is the roofing eaves board is the structure of waterproofing course; Will be between roofing eaves board (4) insulation layer (3) mutually bonding the or jam-packed of sealing install, the upper end filling elastic packing waterproofing materials (11) in insulation layer (3) slit of roofing eaves board (4), the sealing of upper end, slit is bonding; Described insulation layer (3) is the heat insulating material with heat insulating material of water resistance, as macromolecule heat insulating material, thermal insulation mortar, closed pore waterproof foam concrete, forms a kind of roofing eaves board from waterproof.