CN109281413B - Composite decorative external heat-insulating outer wall and construction method - Google Patents
Composite decorative external heat-insulating outer wall and construction method Download PDFInfo
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- CN109281413B CN109281413B CN201811067218.3A CN201811067218A CN109281413B CN 109281413 B CN109281413 B CN 109281413B CN 201811067218 A CN201811067218 A CN 201811067218A CN 109281413 B CN109281413 B CN 109281413B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/762—Exterior insulation of exterior walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/762—Exterior insulation of exterior walls
- E04B1/7629—Details of the mechanical connection of the insulation to the wall
- E04B1/7633—Dowels with enlarged insulation retaining head
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/762—Exterior insulation of exterior walls
- E04B1/7641—Elements for window or door openings, or for corners of the building
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention relates to a composite decorative external heat-insulating outer wall and a construction method, wherein the composite decorative external heat-insulating outer wall comprises a base layer wall body, a first leveling layer, a shaping light steel guide frame, an EPS heat-insulating plate, a waterproof mortar layer, a fine plum blossom-shaped steel wire mesh, an anti-crack mortar layer, a second leveling layer and a finish coat which are sequentially connected from inside to outside; the base layer wall body is provided with connecting angle steel which passes through the first leveling layer and is welded and fixed with the finalized light steel guide frame; dense mesh net strips for ensuring the corner strength of the door and window openings are distributed on the fine plum blossom-shaped steel wire net; the four dense mesh net strips are arranged at four corners of the door and window opening; the detachable expansion bolt is simple in structure and convenient to use, the detachable expansion sleeve and the bolt are designed, and the problem that the traditional expansion bolt is difficult to detach is solved by arranging the pulling rod.
Description
Technical Field
The invention relates to the technical field of building industry, in particular to a composite decorative external heat insulation outer wall and a construction method.
Background
The whole society is responding to the development concept of green environmental protection, and the building industry is taken as an industry with larger energy consumption, which is an important link of energy conservation and emission reduction. The heat-insulating outer wall is a key for the development of 'green building' in civil engineering industry in new period, and has obvious heat-insulating advantages.
The current construction mode of the heat-insulating outer wall is to install the heat-insulating board on the base wall body in a sticking mode, and the situation of detachment easily occurs in practical engineering. The traditional mechanical mode has large damage to the wall body and relatively complex construction, so the traditional mechanical mode has less application in the outer wall engineering. The expansion bolts are arranged in the wall body in a beating mode, but the expansion bolts are not detachable in general, and are troublesome in the later stage if the expansion bolts are required to be detached. And the heat preservation is easy to damage due to the fact that the waterproof layer is not arranged on the heat preservation layer, and the heat preservation layer is easy to damage, and the defects of cracking of an outer wall and the like are caused by cold and hot difference, so that the whole construction quality is affected.
In view of the above, improvements are needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the composite decorative external heat-insulating outer wall and the construction method, which replace the traditional glue bonding, are simple and convenient to construct, do not cause great influence on the wall structure of the base layer, are energy-saving and environment-friendly, and can effectively insulate heat.
In order to achieve the aim of the invention, the invention adopts the following technical scheme: the composite decorative external heat-insulating outer wall comprises a base layer wall body, a first leveling layer, a finalized light steel guide frame, an EPS heat-insulating plate, a waterproof mortar layer, a fine plum blossom-shaped steel wire mesh, an anti-cracking mortar layer, a second leveling layer and a facing layer which are sequentially connected from inside to outside; the base layer wall body is provided with connecting angle steel which passes through the first leveling layer and is welded and fixed with the finalized light steel guide frame; dense mesh net strips for ensuring the corner strength of the door and window openings are distributed on the fine plum blossom-shaped steel wire net; the dense mesh net strips are arranged in four corners of the door and window openings.
As a preferable scheme of the invention, expansion bolts are connected among the base layer wall body, the first leveling layer, the finalized light steel guide frame, the EPS insulation board, the waterproof mortar layer and the fine plum blossom-shaped steel wire mesh in a penetrating way; the expansion bolt comprises an expansion sleeve, a bolt and an expansion head; and driving the expansion sleeve with the expansion head into a wall body, and screwing in a bolt to fix the expansion bolt, wherein the fine plum blossom-shaped steel wire mesh is fixed on the expansion sleeve.
As a preferable scheme of the invention, the finalized light steel guide frame comprises a guide frame cross beam and a guide frame upright post; the cross section of the guide frame beam is L-shaped, the cross section of the guide frame upright post is rectangular, a connecting piece is arranged on the guide frame upright post and used for fixing the EPS insulation board on the shaping light steel guide frame, the connecting piece is L-shaped, an L-shaped groove matched with the L-shaped connecting piece is formed on the EPS insulation board correspondingly, and the L-shaped connecting piece is clamped in the L-shaped groove.
As a preferable scheme of the invention, a telescopic rod is also fixed on the finalized light steel guide frame, and the length of the telescopic rod is the distance from the guide frame upright post to the finish coat; and a solar water pipe is arranged on the base layer wall body.
As a preferable scheme of the invention, the gap between the EPS insulation board and the connecting piece on the finalized light steel guide frame is filled with the environment-friendly heat preservation agent.
As a preferable scheme of the invention, the EPS heat insulation board is provided with the notch, the EPS board is correspondingly provided with the protrusion matched with the notch, and the notch is connected with the protrusion in a clamping way, so that the EPS heat insulation board is connected with the EPS board.
As a preferable scheme of the invention, threads are arranged in the expansion sleeve, an expansion end is formed at the end part of the expansion sleeve, a binding hole is formed on the expansion end, and a thin iron wire is connected to the binding hole and is used for fixing the expansion end of the expansion sleeve and the fine plum blossom-shaped steel wire mesh.
As a preferable scheme of the invention, the inner expansion end of the expansion sleeve is connected through a hinge, a reserved hole is arranged in the expansion sleeve, an expansion head is arranged in the expansion sleeve, and a connecting groove is formed in the expansion head; the bolt is screwed into the expansion sleeve, and after the connector of the bolt is screwed into the connecting groove, the bolt pushes the expansion head along with continuous screwing, so that the inner expansion end of the expansion sleeve can be opened.
As a preferable scheme of the invention, the decorative surface layer is provided with a plurality of crossed reflecting sheets which are adhered to the decorative surface layer and are equidistantly arranged on the decorative surface layer.
A composite decorative external heat insulation exterior wall construction method is characterized in that: the method comprises the following steps:
firstly, cleaning a base layer wall, installing connecting angle steel, an expansion sleeve and a solar water pipe on the base layer wall in advance, constructing a first leveling layer by using cement mortar, and then welding and fixing an assembled and shaped light steel guide frame on the connecting angle steel to ensure that the guide frame is clung to the first leveling layer;
step (2), installing connecting pieces and telescopic rods on guide frame upright posts on the finalized light steel guide frame in advance; then, the area surrounded by the guide frame is fully coated with the environment-friendly sealant until the surface of the rubber body is flush with the surface of the upright post, and in addition, the side surface and the front surface of the guide frame are fully coated with the environment-friendly sealant as much as possible;
and (3) installing the EPS insulation board on the finalized light steel guide frame, wherein the installation method is to adjust the position of the EPS insulation board, clamp a connecting piece on the guide frame into the lower end of an L-shaped groove on the back surface of the insulation board, and slightly slide down until the protruding part of the upper end of the EPS insulation board contacts with a guide frame cross beam, and filling gaps between the surfaces of the insulation board with an environment-friendly insulation agent. For a door and window opening, special heat-insulating plates with door and window edge outer wall EPS plate notches are paved on the outer walls at four edges of the opening, then special door and window opening EPS plates are paved inside the door and window opening, a waterproof mortar layer is constructed, and finally ribs are planted at a top plate of an upper layer structure, and a bearing hook is installed;
step (4), tightly attaching an EPS insulation board, paving a fine plum blossom-shaped steel wire mesh, hooking and fixing the upper end of the steel wire mesh by using a bearing hook, and fixing the expansion end of the expansion sleeve and the fine plum blossom-shaped steel wire mesh which are preset through a fine iron wire and a binding hole; aiming at the door and window openings, after the steel wire mesh is paved, dense mesh strips are paved at four corners of the openings;
step (5), firstly screwing a bolt into the expansion sleeve, fastening a connector of the expansion sleeve and a connecting groove on an expansion head in the sleeve together, continuously screwing the bolt, pushing the front top of the expansion head, and finally realizing expansion of the inner expansion end of the expansion sleeve; if the situation that the expansion sleeve needs to be removed later occurs, the bolt is screwed out, then the pulling rod is inserted, the bolt is screwed with the expansion head, the expansion head is pulled back to the initial position in the sleeve, and then the sleeve is removed by using other tools. Finally, constructing an anti-cracking mortar layer on the steel wire net;
step (6), sequentially constructing a second leveling layer and a finish coat outside the anti-cracking mortar layer, wherein cross reflectors are attached to the surface of the finish coat of the outer wall at intervals, and the deformation condition of the outer wall can be monitored by using a total station in the later period;
and (7) installing an auxiliary frame in the door and window opening, constructing a pouring joint in a gap between the auxiliary frame and the opening, and installing a door and window frame on the auxiliary frame. And then constructing a waterproof mortar layer and a finish layer on the outer side of the EPS board of the special door and window opening, and finally completing the construction of the whole heat-insulation outer wall.
The beneficial effects of the invention are as follows:
1. the detachable expansion bolt is simple in structure and convenient to use, the detachable expansion sleeve and the bolt are designed, and the problem that the traditional expansion bolt is difficult to detach is solved by arranging the pulling rod;
2. the setting light steel guide frame improves the construction efficiency of the whole EPS insulation board, and the telescopic rod is arranged on the guide frame, so that the wall-mounted solar energy can be conveniently installed on a subsequent balcony;
3. the fine plum blossom-shaped steel wire mesh adopted by the invention can bear forces in multiple directions, and further ensures that the wall body is not cracked.
Drawings
FIG. 1 is a layout of a modular light steel guide frame of the present invention;
FIG. 2 is an EPS insulation board mounting elevation view of the present invention;
FIG. 3 is a schematic view of a fine quincuncial wire mesh installation of the present invention;
FIG. 4 is an EPS insulation board installation side view of the present invention;
FIG. 5 is a schematic view of the installation of the steel wire mesh at the edge of the outer wall of the door and window opening of the invention;
FIG. 6 is a schematic view of the composite decorative external thermal insulation outer wall structure of the invention;
FIG. 7 is a schematic view of the upper construction of the door and window opening of the present invention;
FIG. 8 is a schematic view of the lower construction of the door and window opening of the present invention;
FIG. 9 is a view showing the structure of a special door and window opening EPS board and a door and window edge outer wall EPS board notch of the invention;
FIG. 10 is a schematic view of the bolting of the present invention;
FIG. 11 is a schematic view of the expansion of the removable expansion bolt head of the present invention;
FIG. 12 is an elevation view of the expansion sleeve of the present invention;
FIG. 13 is a cross-sectional view of an expansion sleeve of the present invention;
FIG. 14 is a schematic view of a bolt and enlarged head connection of the present invention;
fig. 15 is a schematic view of a drawbar and enlarged head connection of the present invention.
Reference numerals in the drawings: the wall comprises a base wall body 1, expansion bolts 2, a shaping light steel guide frame 3, an EPS insulation board 4, a waterproof mortar layer 5, a fine plum blossom-shaped steel wire mesh 6, a bearing hook 7, a fine iron wire 8, an anti-crack mortar layer 9, a first leveling layer 10, a second leveling layer 11, a finish layer 12, a cross reflection piece 13 and a telescopic rod 14; a solar water pipe 15; the novel energy-saving environment-friendly sealing compound comprises a dense mesh net strip 16, a notch 17, an environment-friendly sealing compound 18, a door and window opening 19, an angle brace 20, an angle nail 21, an EPS board 22, an auxiliary frame 23, a pouring joint 24, a door and window frame 25, a guide frame cross beam 26, a guide frame upright post 27, a connecting angle steel 28, a connecting piece 29, an L-shaped groove 30, an environment-friendly heat preservation agent 31, an expansion sleeve 32, a binding hole 33, an expansion end 34, a bolt 35, an expansion head 36, a reserved hole 37, a hinge 38, a pull buckle 39, a pulling rod 40, a connector 41, a connecting groove 42, a sleeve slotting 43, a cross groove 44 and a protrusion 100.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Examples: as shown in fig. 1-15, the composite decorative external heat-insulating outer wall comprises a base layer wall body 1, a first leveling layer 10, a shaping light steel guide frame 3, an EPS heat-insulating plate 4, a waterproof mortar layer 5, a fine plum blossom-shaped steel wire mesh 6, an anti-crack mortar layer 9, a second leveling layer 11 and a finish layer 12 which are sequentially connected from inside to outside; the base layer wall body 1 is provided with connecting angle steel 28, and the connecting angle steel 28 penetrates through the first leveling layer 10 and is welded and fixed with the finalized light steel guide frame 3; dense mesh strips 16 for ensuring the corner strength of the door and window openings 19 are distributed on the fine plum blossom-shaped steel wire mesh 6; the four dense mesh net strips 16 are arranged at four corners of the door and window opening 19; the special EPS board for the door and window openings is simple in structure and convenient to use, and the EPS board 22 for the door and window openings can be well connected and fixed with the outer wall 1, and corner strength is further enhanced through the corner brackets 20 and the corner nails 21.
The notch 17 is formed on the EPS insulation board 4, corresponding to the notch 17, the protrusion 100 matched with the notch 17 is formed on the EPS board 22, the notch 17 is connected with the protrusion 100 in a clamping way, the stability and the firmness of connection of the EPS insulation board 4 and the EPS board 22 are further improved, and the use safety is ensured.
The finalized light steel guide frame 3 comprises a guide frame cross beam 26 and a guide frame upright post 27; the cross section of the guide frame cross beam 26 is L-shaped, the cross section of the guide frame upright post 27 is rectangular, a connecting piece 29 is arranged on the guide frame upright post 27, the connecting piece 29 is used for fixing the EPS insulation board 4 on the shaping light steel guide frame 3, the connecting piece 29 is an L-shaped connecting piece, corresponding to the L-shaped connecting piece, an L-shaped groove 30 matched with the L-shaped connecting piece is formed on the EPS insulation board 4, and the L-shaped connecting piece is clamped in the L-shaped groove 30; the gap between the EPS insulation board 4 and the connecting piece 29 on the shaping light steel guide frame 3 is filled with an environment-friendly insulation agent 31; the finalized light steel guide frame 3 is installed layer by layer from bottom to top, namely, one layer of finalized light steel guide frame 3 is installed, then one layer of EPS insulation board 4 is installed, and then the upper layer of guide frame is installed; the setting light steel guide frame 3 improves the construction efficiency of the whole EPS insulation board 4.
A telescopic rod 14 is also fixed on the finalized light steel guide frame 3, and the length of the telescopic rod 14 is the distance from the guide frame upright post 27 to the finish coat 12; the solar water pipe 15 is arranged on the base wall body 1 in advance, so that wall-mounted solar energy can be hung after the construction of the later-stage outer wall is finished conveniently, and the outer wall space can be utilized as much as possible.
Expansion bolts 2 are connected among the base layer wall 1, the first leveling layer 10, the finalized light steel guide frame 3, the EPS insulation board 4, the waterproof mortar layer 5 and the fine plum blossom-shaped steel wire mesh 6 in a penetrating manner; the expansion bolt 2 comprises an expansion sleeve 32, a bolt 35 and an enlarged head 36; driving an expansion sleeve 32 comprising an expansion head 36 into a wall body, and screwing in a bolt 35 to fix the expansion bolt 2, wherein a fine plum blossom-shaped steel wire mesh 6 is fixed on the expansion sleeve 32; the expansion sleeve 32 is internally provided with threads, the end part of the expansion sleeve 32 is provided with an expansion end 34, the expansion end 34 is provided with a binding hole 33, the binding hole 33 is connected with a thin iron wire 8, and the thin iron wire 8 is used for fixing the expansion end 34 of the expansion sleeve 32 and the thin plum blossom-shaped steel wire mesh 6; the invention has simple structure and convenient use, and the binding holes 33 are arranged on the enlarged end 34 of the expansion bolt sleeve 32, so that the fine plum blossom-shaped steel wire mesh 6 can be effectively fixed, and the construction efficiency is improved.
The inner expansion end of the expansion sleeve 32 is connected by a hinge 38, a reserved hole 37 is arranged in the expansion sleeve, an expansion head 36 is arranged in the expansion sleeve, and a connecting groove 42 is formed in the expansion head 36; the bolt 35 is screwed into the expansion sleeve 32, and after the connector 41 of the bolt 35 is screwed into the connecting groove 42, the inner expansion end of the expansion sleeve 32 is opened as the bolt 35 pushes the expansion head 36 with the continued screwing. If the detachable expansion bolts 2 are to be removed later, the expansion joint 36 is pulled back to the initial position by the pulling rod 40 having a smaller diameter than the bolts 35, and then the expansion sleeve 32 is removed.
The finish layer 12 is provided with a plurality of crossed reflectors 13, and the crossed reflectors 13 are equidistantly arranged on the finish layer 12; by adopting the technical scheme, a plurality of cross reflectors 13 are arranged, and the deformation condition of the outer wall can be monitored by using the total station in the later period.
A composite decorative external heat insulation exterior wall construction method comprises the following steps:
firstly, cleaning floating ash and oil stains on a base wall body 1, and filling the wall body in time if the wall body is damaged; after the base layer is cleaned, connecting angle steel 28 is installed in advance, taking a layer of wall body as an example, the installation height of the connecting angle steel 28 is 1/3m,2/3m,4/3m,5/3m,7/3m and 8/3m, the transverse spacing is controlled to be 0.5m, threads are arranged in an expansion sleeve 32, the installation heights are 0.5,1.5 and 2.5m, the transverse distance is 0.5m, the exposed end of the sleeve is an enlarged end 34, binding holes 33 are formed, the installation height of a solar water pipe 15 is 1.9m, and the spacing is 1m. First, the first screed 10 was constructed using cement mortar, with a thickness of 2cm. After the construction is finished, a fixed and shaped light steel guide frame 3 is arranged on the connecting angle steel 28, the guide frame is tightly attached to the first leveling layer 10, and the guide frame is assembled by a guide frame cross beam 26 and a guide frame upright post 27, and the front view is shown in fig. 1, and the side view is shown in fig. 4; the guide frame is three layers, the height of each layer is 1m, the thickness of the guide frame is 0.8m, the thickness of the guide frame is 3cm, the thickness of the guide frame is 0.2m, and the thickness of the guide frame is 1cm.
The second step is to install the connecting piece 29 and the telescopic rod 14 on the guide frame upright post 27 on the shaping light steel guide frame 3 in advance; the mounting height of the connecting piece 29 is also 0.5m, 1.5m and 2.5m, the interval is 0.9m, the mounting height of the telescopic rod 14 is 1.1m, and the basic length of the telescopic rod is equal to the distance from the guide frame upright post 27 to the finish layer 12; then, the area surrounded by the guide frame is fully coated with the environment-friendly sealant 18 until the surface of the sealant is flush with the surface of the upright post, and in addition, the side surface and the front surface of the guide frame are fully coated with the environment-friendly sealant 18 as much as possible; see in particular fig. 1.
The third step is that EPS heat preservation boards 4 are arranged on the shaping light steel guide frame 3, the length and the width of each EPS heat preservation board 4 are 1m, the thickness is 5cm, and the back of each EPS heat preservation board is provided with an L-shaped groove 30 matched with an L-shaped connecting piece 29; the mounting method is that the position of the EPS insulation board 4 is adjusted, the L-shaped connecting piece 29 on the guide frame is clamped into the lower end of the L-shaped groove 30 on the back surface of the insulation board, and then the L-shaped connecting piece slightly slides down until the protruding part of the upper end of the EPS insulation board 4 contacts with the guide frame cross beam 26, and the gap between the surfaces of the insulation boards is filled with the environment-friendly insulation agent 31. Installation effectiveness diagram referring to fig. 2. For the door and window hole 19, special heat-insulating plates with door and window edge outer wall EPS board notches 17 are paved on the outer walls at four edges of the hole, then special door and window hole EPS boards 22 are paved inside the door and window hole 19, the two structures are shown in fig. 9, and corners of the special door and window hole EPS boards 22 are connected by corner codes 20 and corner nails 21, so that the strength of the position is enhanced. And then a waterproof mortar layer is constructed on the heat-insulating plate, the environment-friendly waterproof agent and the cement mortar are mixed, the thickness is 3cm, finally, drilling and bar planting are carried out on the top plate of the superstructure, and a bearing hook 7 is installed.
Fourthly, tightly attaching the EPS insulation board 4, paving a fine plum blossom-shaped steel wire mesh 6, and enabling the lap joint length to be not less than 10cm; the upper end of the wire mesh is hooked and fixed by a bearing hook 7, and then the enlarged end 34 of the expansion sleeve 32 which is pre-punched and the fine plum blossom-shaped wire mesh 6 are fixed by a fine iron wire 8 and a binding hole 33. Aiming at the door and window openings 19, after the steel wire mesh is paved, dense mesh strips 16 are paved at four corners of the openings; see in particular figures 3 and 5.
The fifth step is to screw in the bolt 35 in the expansion sleeve 32 which is pre-opened after the steel wire mesh is laid, the expansion sleeve 32 has the structure shown in fig. 12 and 13, and comprises a reserved hole 37, a hinge 38 and a sleeve slit 43 besides the inner expansion end; an enlarged head 36 is mounted in advance in the preformed hole 37. The enlarged head 36 has a connecting slot 42, see FIG. 14, for allowing the expansion sleeve 32 to open and close at the driven end. Firstly, the bolt 35 is screwed into the expansion sleeve 32, the drill is aligned with the cross groove 44 at the rear end of the bolt, the connector 41 of the bolt is fastened with the connecting groove 42 on the expansion head 36 in the sleeve, as shown in fig. 10, the bolt 35 is continuously screwed into the sleeve, the front top of the expansion head 36 is pushed, and finally, the expansion of the inner expansion end of the expansion sleeve 32 is realized, as shown in fig. 11, so that the detachable expansion bolt 2 is installed. If the expansion sleeve 32 needs to be removed later, the bolt 35 is screwed out and then inserted into a pulling rod 40 shown in fig. 15, wherein the diameter of the pulling rod is smaller than that of the bolt 35, and the surface of the pulling rod is not provided with threads; tightening the enlarged head 36, pulling back returns the enlarged head 36 to its original position within the casing, and then using other tools to hook the pull tab 39 on the pull rod 40 to pull out the casing. And finally, constructing an anti-cracking mortar layer 9 formed by mixing an anti-cracking agent and cement mortar on the wire mesh.
And the sixth step is to construct a second leveling layer 11 and a finishing layer 12 on the outer side of the anti-cracking mortar layer 9 in sequence, wherein the thickness of the second leveling layer 11 is 2cm, the material is cement mortar, the thickness of the finishing layer is 3cm, and the finishing layer is a mixed layer formed by waterproof putty and paint. It is noted that the surface of the outer wall facing layer 12 is adhered with cross reflectors 13 at intervals, and the deformation condition of the outer wall can be monitored by using a total station in the later period. The whole heat-preservation outer wall structure is shown in fig. 6.
The seventh step is to install an auxiliary frame 23 in the door and window opening 19, and a pouring seam 24 is constructed in the gap between the auxiliary frame 23 and the opening, and then install a door and window frame 25 on the auxiliary frame 23, and the specific practice can be described with reference to related specifications. And then constructing a waterproof mortar layer 5 and a finish layer 12 on the outer side of the EPS board 22 of the special door and window opening, and finally completing the construction of the whole heat-insulation outer wall. The waterproof mortar layer 5 and the facing layer 12 at the lower part of the door and window opening should be made into a certain gradient to ensure the smoothness of drainage. The construction schematic diagram of the door and window opening is shown in fig. 7 and 8.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more herein: the wall comprises a base wall body 1, expansion bolts 2, a shaping light steel guide frame 3, an EPS insulation board 4, a waterproof mortar layer 5, a fine plum blossom-shaped steel wire mesh 6, a bearing hook 7, a fine iron wire 8, an anti-crack mortar layer 9, a first leveling layer 10, a second leveling layer 11, a finish layer 12, a cross reflection piece 13 and a telescopic rod 14; a solar water pipe 15; the novel energy-saving environment-friendly door window comprises a dense mesh strip 16, a notch 17, an environment-friendly sealant 18, a door window opening 19, an angle brace 20, an angle nail 21, an EPS board 22, an auxiliary frame 23, a pouring joint 24, a door window frame 25, a guide frame cross beam 26, a guide frame upright post 27, a connecting angle steel 28, a connecting piece 29, an L-shaped groove 30, an environment-friendly heat preservation agent 31, an expansion sleeve 32, a binding hole 33, an expansion end 34, a bolt 35, an expansion head 36, a reserved hole 37, a hinge 38, a pull buckle 39, a pulling rod 40, a connector 41, a connecting groove 42, a sleeve slotting 43, a cross groove 44, a bulge 100 and other terms, but the possibility of using other terms is not excluded; these terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Claims (6)
1. The composite decorative external heat-insulating outer wall construction method is characterized by comprising the following steps of: the novel building block comprises a base layer wall body (1), a first leveling layer (10), a finalized light steel guide frame (3), an EPS insulation board (4), a waterproof mortar layer (5), a fine plum blossom-shaped steel wire mesh (6), an anti-cracking mortar layer (9), a second leveling layer (11) and a finishing layer (12) which are sequentially connected from inside to outside; the base layer wall body (1) is provided with connecting angle steel (28), and the connecting angle steel (28) passes through the first leveling layer (10) and is welded and fixed with the finalized light steel guide frame (3); dense mesh net strips (16) for ensuring the corner strength of the door and window openings (19) are arranged on the fine plum blossom-shaped steel wire mesh (6); the four dense mesh net strips (16) are arranged at four corners of the door and window opening (19); expansion bolts (2) are connected among the base layer wall body (1), the first leveling layer (10), the finalized light steel guide frame (3), the EPS insulation board (4), the waterproof mortar layer (5) and the fine plum blossom-shaped steel wire mesh (6) in a penetrating manner; the expansion bolt (2) comprises an expansion sleeve (32), a bolt (35) and an expansion head (36); driving an expansion sleeve (32) comprising an expansion head (36) into a wall body, and screwing in a bolt (35) to fix the expansion bolt (2), wherein a fine plum blossom-shaped steel wire mesh (6) is fixed on the expansion sleeve (32); the expansion sleeve (32) is internally provided with threads, an expansion end (34) is formed at the end part of the expansion sleeve (32), a binding hole (33) is formed on the expansion end (34), a thin iron wire (8) is connected to the binding hole (33), and the thin iron wire (8) is used for fixing the expansion end (34) of the expansion sleeve (32) and the thin plum blossom-shaped steel wire mesh (6); the inner expansion ends of the expansion sleeve (32) are connected through a hinge (38), a reserved hole (37) is formed in the expansion sleeve, an expansion head (36) is placed in the reserved hole, and a connecting groove (42) is formed in the expansion head (36); the bolt (35) is screwed into the expansion sleeve (32), and after the connector (41) of the bolt (35) is screwed into the connecting groove (42), the inner expansion end of the expansion sleeve (32) can be opened as the bolt (35) pushes the expansion head (36) along with continuous screwing; the detachable expansion bolt (2) is installed, the diameter of the pulling rod (40) is smaller than that of the bolt (35), and the surface of the pulling rod is not provided with threads; the sleeve is screwed with the expansion head (36), the expansion head (36) is pulled back to the initial position in the sleeve, and then other tools are used for hooking the pull buckle (39) on the pull rod (40) so as to pull out the sleeve;
the method specifically comprises the following steps:
firstly, cleaning a base layer wall body (1), installing a connecting angle steel (28) on the base layer wall body (1) in advance, constructing a first leveling layer (10) by using cement mortar, and then welding and fixing an assembled finalized light steel guide frame (3) on the connecting angle steel (28) to ensure that the guide frame is tightly attached to the first leveling layer (10);
step two, connecting pieces (29) and telescopic rods (14) are arranged on guide frame upright posts (27) on the shaping light steel guide frames (3) in advance; then, the area surrounded by the guide frame is fully coated with the environment-friendly sealant (18) until the surface of the sealant is flush with the surface of the upright post, and in addition, the side surface and the front surface of the guide frame are fully coated with the environment-friendly sealant (18) as much as possible;
installing the EPS insulation board (4) on the shaping light steel guide frame (3), wherein the installation method is to adjust the position of the EPS insulation board (4), clamp a connecting piece (29) on the guide frame into the lower end of an L-shaped groove (30) on the back of the insulation board, slightly slide down until the protruding part of the upper end of the EPS insulation board (4) is contacted with a guide frame cross beam (26), and filling gaps between the surfaces of the insulation boards with an environment-friendly insulation agent (31); for a door and window opening (19), special heat-insulating plates with door and window edge outer wall EPS board notches (17) are paved on the outer walls at four edges of the opening, then special door and window opening EPS boards (22) are paved inside the door and window opening (19), a waterproof mortar layer is constructed, finally ribs are planted at a top plate of an upper layer structure, and a bearing hook (7) is installed;
step four, tightly attaching an EPS insulation board (4), paving a fine plum blossom-shaped steel wire mesh (6), hooking and fixing the upper end of the steel wire mesh by using a bearing hook (7), and fixing an expansion end (34) of an expansion sleeve (32) which is pre-punched and the fine plum blossom-shaped steel wire mesh (6) through a fine iron wire (8) and a binding hole (33); aiming at a door and window opening (19), after the steel wire mesh is paved, dense mesh strips (16) are paved at four corners of the opening;
step five, firstly screwing a bolt (35) into the expansion sleeve (32) to fasten a connector (41) of the expansion sleeve and a connecting groove (42) on an expansion head (36) in the sleeve together, continuously screwing the bolt (35) to push the expansion head (36) to push the front top, and finally realizing expansion of the inner expansion end of the expansion sleeve (32); the detachable expansion bolt (2) is installed, the diameter of the pulling rod (40) is smaller than that of the bolt (35), and the surface of the pulling rod is not provided with threads; the sleeve is screwed with the expansion head (36), the expansion head (36) is pulled back to the initial position in the sleeve, and then other tools are used for hooking the pull buckle (39) on the pull rod (40) so as to pull out the sleeve; finally, constructing an anti-cracking mortar layer (9) on the steel wire net;
sequentially constructing a second leveling layer (11) and a facing layer (12) on the outer side of the anti-cracking mortar layer (9), wherein cross reflectors (13) are adhered to the surface of the outer wall facing layer (12) at intervals, and the deformation condition of the outer wall can be monitored by using a total station in the later period;
installing an auxiliary frame (23) in a door and window opening (19), constructing a pouring joint (24) in a gap between the auxiliary frame (23) and the opening, and installing a door and window frame (25) on the auxiliary frame (23); and then constructing a waterproof mortar layer (5) and a finish coat (12) on the outer side of the EPS board (22) of the special door and window opening, and finally completing the construction of the whole heat-insulation outer wall.
2. The method for constructing the composite decorative external thermal insulation external wall according to claim 1, wherein the method comprises the following steps: the finalized light steel guide frame (3) comprises a guide frame cross beam (26) and a guide frame upright post (27); the cross section of the guide frame cross beam (26) is L-shaped, the cross section of the guide frame upright post (27) is rectangular, a connecting piece (29) is arranged on the guide frame upright post (27), the connecting piece (29) is used for fixing the EPS insulation board (4) on the shaping light steel guide frame (3), the connecting piece (29) is L-shaped, an L-shaped groove (30) matched with the L-shaped connecting piece is formed on the EPS insulation board (4) corresponding to the L-shaped connecting piece, and the L-shaped connecting piece is clamped in the L-shaped groove (30).
3. The method for constructing the composite decorative external thermal insulation external wall according to claim 1, wherein the method comprises the following steps: a telescopic rod (14) is also fixed on the finalized light steel guide frame (3), and the length of the telescopic rod (14) is the distance from the guide frame upright post (27) to the finish layer (12); solar water pipes (15) are arranged on the base layer wall body (1).
4. The method for constructing the composite decorative external thermal insulation external wall according to claim 1, wherein the method comprises the following steps: the gap between the EPS heat insulation board (4) and the connecting piece (29) on the finalized light steel guide frame (3) is filled with an environment-friendly heat insulation agent (31).
5. The method for constructing the composite decorative external thermal insulation external wall according to claim 1, wherein the method comprises the following steps: the EPS heat preservation plate (4) is provided with a notch (17), a protrusion (100) matched with the notch (17) is formed on the EPS plate (22) corresponding to the notch, and the notch (17) is connected with the protrusion (100) in a clamping way, so that the EPS heat preservation plate (4) is connected with the EPS plate (22).
6. The method for constructing the composite decorative external thermal insulation external wall according to claim 1, wherein the method comprises the following steps: the decorative surface layer (12) is provided with a plurality of crossed reflecting sheets (13) in a sticking mode, and the crossed reflecting sheets (13) are equidistantly arranged on the decorative surface layer (12).
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| CN113155709A (en) * | 2021-05-28 | 2021-07-23 | 重庆建新建设工程监理咨询有限公司 | Building outer wall structure and window edge water seepage testing method |
| CN113463825B (en) * | 2021-06-25 | 2022-09-13 | 江苏泰建建设集团有限公司 | Cement pressure plate heat preservation and decoration integrated ceiling construction structure and construction method |
| CN117988601B (en) * | 2024-04-07 | 2024-07-02 | 成都中品建设工程有限公司 | Assembled functional building and construction method thereof |
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| CN109281413A (en) | 2019-01-29 |
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