CN1696425A - Hollow slab made from concrete reinforced by steel bar cast in-site - Google Patents

Abstract

The present invention relates to a cast-in-situ reinforced concrete hollow slab, including reinforced concrete and hollow pipes, two pipe ends of every hollow pipe are equipped with bulkhead respectively, the hollow pipes are wrapped and contained in the cast-in-situ reinforced concrte, and between the hollow pipes the cast-in-situ reinforced concrete longitudinal rib can be formed respectively along the longitudinal direction. It is characterized by that on the described hollow pipe at least one projected module is extended, and said module is wrapped and comtained in the reinforced concrete. Said cast-in-situ reinforced concrete hollow slab is applicable to various cast-in-situ concrete floor, roof, wall body, foundation bedplate and structure of road and bridge engineering, specially applicable to hollow beamless floor.

Description

A kind of cast-in-situ reinforcing steel bar concrete hollow slab

(1) technical field

The present invention relates to a kind of cast-in-situ reinforcing steel bar concrete hollow slab.

(2) background technology

At present, in the prior art, it is permanent core that cast-in-situ hollow floor plate becomes pole, as paper tube, plastic pipe, metal bellows, core light material etc.These tubular core molds or member are mainly considered the concrete of finding time, and alleviate floor weight.As the patent No. by applicant's application is that ZL99249775.8, name are called the utility model patent of " cast-in-place reinforced concrete filling fiber reinforcement type thin wall cylinder ", it is made up of horniness thin-walled tube and two ends plug, two plugs form an enclosed cavity with the horniness thin-walled tube closed at both ends, this hard thin-wall tube wall is composited by carcass and cementitious materials, carcass can be glass fiber or carbon fiber or organic fiber or nonwoven or fibrous braid, and cementitious materials can be cement or organic resin or is the mixture of cement, filler, Admixture, fiber.This kind pipe has advantages such as intensity height, resistance to deformation, anti-vibration performance are good, convenient construction and transport.Be applied to cast-in-place concrete cored after; light-wall pipe is wrapped up in and is contained in the cast-in-situ reinforced concrete; light-wall pipe longitudinally is the cast-in-situ reinforced concrete longitudinal rib each other; because the tubulose concrete of cast-in-place concrete cored hard thin-wall tube hub is found time; along pipe the Cast-in-place concrete rib arranged vertically; and laterally since steel bar concrete found time by core or member; thereby the bigger situation of cast-in-place concrete cored two direction rigidity great disparities having appearred; and become the cast-in-situ reinforced concrete hollow one-way slabs; exists the steel bar concrete consumption big; from great, poor seismic behavior, two-way stiffness difference is big wait not enough.Therefore, develop a kind of novel cast-in-situ reinforcing steel bar concrete hollow slab for being badly in need of.

(3) summary of the invention

The object of the present invention is to provide a kind of cast-in-situ reinforcing steel bar concrete hollow slab, have the concrete consumption little, from heavy and light, characteristics such as anti-seismic performance is good, two-way stiffness difference is little.

Solution of the present invention is on the basis of existing technology, comprise steel bar concrete, hollow section, two pipe ends of hollow section have plug, hollow section is wrapped up in and is contained in the cast-in-situ reinforced concrete, hollow section longitudinally is the cast-in-situ reinforced concrete longitudinal rib each other, it is characterized in that being extended with on the described hollow section module of at least one protrusion, module is wrapped up in and is contained in the steel bar concrete.Like this, owing to be extended with the module of at least one protrusion on the hollow section, module is wrapped up in and is contained in the steel bar concrete, concrete in the vertical Cast-in-place concrete rib of superstructure is further emptied, thereby the concrete consumption further reduces, good from heavy and light, anti-seismic performance, longitudinal rigidity weakens relatively, lateral stiffness strengthens relatively, corresponding superstructure two-way stiffness difference reduces, thereby has reached purpose of the present invention; Simultaneously, cast-in-situ reinforcing steel bar concrete hollow slab also has characteristics such as simple in structure, that intensity is high, rigidity is big, construction is easy, cost is low, be applicable to the structure of various Cast-in-place Concrete Building Floor, roof system, body of wall, sole plate and road and bridge engineering, be specially adapted to hollow arch without beam.

Feature of the present invention is that also the tube wall face of described hollow section flushes with the cast-in-situ reinforcing steel bar concrete hollow slab bottom surface, and the Cast-in-place concrete upper plate is arranged on it, and the Cast-in-place concrete upper plate links to each other with the cast-in-situ reinforced concrete longitudinal rib.Like this, when building cast-in-situ reinforcing steel bar concrete hollow slab, the tube wall face of hollow section flushes with the bottom surface of cast-in-situ reinforcing steel bar concrete hollow slab, can save a large amount of templates, reduce the loss of template, simultaneously, also reduce the consumption of Cast-in-place concrete, saved material, reduced the cost of floor.

Feature of the present invention is that also the tube wall face of described hollow section flushes with the cast-in-situ reinforcing steel bar concrete hollow slab upper bottom surface, and the Cast-in-place concrete lower plate is arranged under it, and the Cast-in-place concrete lower plate links to each other with the cast-in-situ reinforced concrete longitudinal rib.Like this, greatly facilitate floor top gut line and lay, can under the situation of not damaging the floor force structure, easily various pipelines or line box be installed to floor inside and not increase slab thickness, increased the usage space of building indirectly, made its structure more reasonable.

Feature of the present invention is that also the tube wall face of described hollow section flushes with upper bottom surface with the cast-in-situ reinforcing steel bar concrete hollow slab bottom surface respectively.Like this, the floor slab structure form that the tube wall face of hollow section flushes with upper bottom surface with the bottom surface of cast-in-situ reinforcing steel bar concrete hollow slab respectively greatly facilitates the laying of vertical pipeline in the building, has avoided having protected structure because of the cutting at the hole damage to structure; Simultaneously, also can save a large amount of templates, reduce the loss of template.

Feature of the present invention is that also the Cast-in-place concrete upper plate is arranged on the described hollow section, and the Cast-in-place concrete upper plate links to each other with the cast-in-situ reinforced concrete longitudinal rib, and the Cast-in-place concrete lower plate is arranged under the hollow section, and the Cast-in-place concrete lower plate links to each other with the cast-in-situ reinforced concrete longitudinal rib.Like this, be provided with Cast-in-place concrete up and down, improved the integrality performance of the structure of floor greatly at hollow section, and the mechanical property of floor.

Feature of the present invention also is to be provided with rib between the Cast-in-place concrete end between the pipe end of described hollow section.Like this, the vertical cross stiffness difference of cast-in-situ reinforcing steel bar concrete hollow slab further reduces, and mechanical property improves greatly.

Feature of the present invention is that also rib is a rib between elongated end between described Cast-in-place concrete end.Like this, not only the vertical cross stiffness difference of cast-in-situ reinforcing steel bar concrete hollow slab further reduces, and mechanical property improves greatly, and it is simpler to construct, and speed of application is faster.

Feature of the present invention is that also the module of the protrusion that stretches out on the described hollow section and adjacent hollow section join.Like this, can form shearing pier formula hollowcore slab, not only mechanical property is good, and saves material, and cost is low.

Feature of the present invention is that also the module of protruding more than two of stretching out on the described hollow section is positioned at the same side of hollow section.Like this, design and construction can be selected for use according to actual needs, help reducing construction cost.

Feature of the present invention is that also the module of protruding on the described hollow section is positioned at the both sides of hollow section.Like this, design and construction can be selected for use according to actual needs, help reducing construction cost.

Feature of the present invention also is module symmetric arrangement on the same axis of the both sides of hollow section of protruding on the described hollow section.Like this, convenient design and unit in charge of construction select for use, help reducing the construction cost of hollowcore slab.

Feature of the present invention is that also the module that described hollow section protrudes misplaces or arranged crosswise in the both sides of hollow section.Like this, help improving the mechanical property of hollowcore slab, to satisfy the needs of different occasions.

Feature of the present invention is that also the module that described hollow section protrudes stretches out along three directions of hollow section, wherein, the axis of the module of the protrusion of two directions is in same plane, and the axis direction of the module of the protrusion of other direction is vertical with the plane at the module place of the protrusion of above-mentioned two directions.Like this, the module of protrusion is arranged in a direction, can be used as downward construction and support convenient construction, accelerating construction progress; Simultaneously, also can further empty concrete, improve the hollow rate of hollowcore slab; In addition, also be convenient to the laying of the lower pipelines of hollowcore slab.

Feature of the present invention is that also the module protruded on the described hollow section stretches out along the four direction of hollow section, and the axis of the module of the protrusion of adjacent both direction is vertical each other.Like this, when the hollow-core construction layer thickness is big, can arrange two layers or more this hollow section, can form hollow concrete frame structure, both the intensity height was saved material usage again.

Feature of the present invention is that also the profile of the module protruded on the described hollow section is identical or different.Like this, the needs of various different situations make things convenient for selecting for use of design and construction unit in the time of can satisfying construction, reduce the construction cost of hollowcore slab.

Feature of the present invention is that also the cross sectional shape of the module of described hollow section or protrusion is circle, ellipse, similar round, class ellipse, polygon, arc angle polygon or its combination.Like this, make things convenient for design and construction unit to select for use, help reducing the construction cost of hollowcore slab.

Feature of the present invention is that also described hollow section is identical or different with the module cross sectional shape that protrudes on it.Like this, can satisfy the needs of various different constructions, help accelerating speed of application, reduce construction cost, convenient construction unit selects for use.

Feature of the present invention is that also the module of described hollow section and protrusion is along body length direction reducing.Like this, can satisfy the needs of various different constructions, help accelerating speed of application, reduce construction cost, convenient construction unit selects for use.

Interval between the module that feature of the present invention also is to protrude on the described hollow section is identical or different.Like this, make things convenient for design and construction, help accelerating speed of application, reduce the construction cost of hollowcore slab.

Feature of the present invention also is the module of described hollow section or protrusion or both are for hollow.Like this, the weight of hollow section is lighter, and carrying is more convenient with construction, saves material simultaneously, and cost is relative also lower.

Feature of the present invention also is partly or entirely to be filled with light material in the module of described hollow section or protrusion or both.Like this, the insulation of hollowcore slab, heat insulation, sound insulation property is better.

Feature of the present invention is that also described light material is shot shape or bulk.Like this, make things convenient for production unit to select for use, reduce the construction cost of hollowcore slab.Light material can be expanded perlite, expanded vermiculite, foamed plastics, aerated light concrete, haydite, haydite concrete etc.

Feature of the present invention also is the module of described hollow section or protrusion or both are for solid.Like this, can directly adopt light material production, help reducing construction cost.

Feature of the present invention is that also there is docking facilities the end of the module of described hollow section or protrusion.Like this, be convenient to hollowcore slab when construction, interconnecting each other.

Feature of the present invention also is between the module of described hollow section and protrusion docking facilities is arranged.Like this, when being convenient to the hollowcore slab construction, interconnecting each other also makes things convenient for carrying simultaneously.

Feature of the present invention is that also the docking facilities between the module of described hollow section and protrusion is hole, groove, bar, location securing member, bell and spigot, binding iron wire or screw mandrel, nut, weldment or flange.Like this, make things convenient for the production of production unit, also make things convenient for selecting for use of design and construction unit simultaneously, help reducing the construction cost of hollowcore slab.

Feature of the present invention also be the module of described hollow section or protrusion stiffening rib is arranged in both or bracing boom or reinforcing rib at least one.Like this, the intensity and the rigidity of hollow section improve greatly, and is stressed better with transmission force property.

Feature of the present invention also is in module, stiffening rib or the bracing boom of described hollow section, protrusion or the reinforcing rib reinforce is arranged, and reinforce is at least a in fiber, fleece, steel mesh reinforcement, gauze wire cloth, reinforcing bar, the thin band.Thin band reinforce is to have hole, seam, groove, sour jujube head, concavo-convex, concavo-convex porose, impression, hair sour jujube, the fiber that exposes shortage, exasperate or their compound bands or be braid over braid, strap, sandwich tape, and thin band bandwidth equates or be unequal.Like this, the intensity and the rigidity of hollow section improve greatly, and is stressed better with transmission force property.

Feature of the present invention is that also the module of described hollow section or protrusion has at least one that reveal in rib, dew bar, the dew reinforce outward.Like this, the bonding of hollow section and Cast-in-place concrete is better, and the globality of corresponding hollowcore slab is better.

Feature of the present invention is that also the module of described hollow section or protrusion has hollow hole or the hollow hole interior reinforcing bar or the gauze wire cloth reinforce in addition of the band die cavity of opening, and Cast-in-place concrete enters and formed compound reinforced pier in the hollow hole.Like this, Cast-in-place concrete enters in the hollow hole, has improved the mutual wedge action between hollow section and the Cast-in-place concrete, has improved the globality of hollowcore slab.

Feature of the present invention is that also the module of described hollow section or protrusion or both strengthen mesh stringing, paper tube for metal tube, plastic pipe, Cement fibre pipe, cement steel wire webmaster, cement.Like this, make things convenient for selecting for use of design, construction and production unit, help reducing the construction cost of hollowcore slab.

Feature of the present invention is that also the module of described hollow section or protrusion or both go up at least one in fluted, pit, convex tendon or the protruding nail.Like this, can improve the mutual wedge action between hollow section and the Cast-in-place concrete, improve the globality of hollowcore slab.

Feature of the present invention is that also described cast-in-situ reinforcing steel bar concrete hollow slab is provided with bright beam or dark beam.Like this, increase substantially the supporting capacity of hollowcore slab and tension, resistance to compression, shear resistance, optimized the internal construction of hollowcore slab.

Feature of the present invention is that also described bright beam or dark beam contain reinforcing bar.Reinforcing bar is prestressed reinforcement, prestress wire, cold-rolled forming section, channel-section steel or i shaped steel.Like this, in dark beam or bright beam, be provided with reinforcing bar after, intensity, rigidity, resistance to compression, the shear resistance of dark beam or bright beam all obtained significantly strengthening, and also improved the supporting capacity of hollowcore slab simultaneously greatly.

Feature of the present invention is that also rib contains reinforcing bar between described cast-in-situ reinforced concrete longitudinal rib or Cast-in-place concrete end.Like this, between Cast-in-place concrete longitudinal rib or cast-in-situ reinforced concrete end, wrap up in the rib contain reinforcing bar after, cast-in-place concrete cored intensity, rigidity, resistance to compression, shear resistance have all obtained significantly strengthening, and have also improved the supporting capacity of hollowcore slab simultaneously greatly.

(4) description of drawings

Fig. 1 is the structural representation of the embodiment of the invention 1.In each accompanying drawing, 1 be steel bar concrete, 2 for hollow section, 3 for plug, 4 for cast-in-situ reinforced concrete longitudinal rib, 5 for module, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, and hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, is extended with the module 5 of protrusion on its described hollow section 2, and module 5 is also wrapped up in and is contained in the steel bar concrete 1.

Fig. 2 is the structural representation of the embodiment of the invention 2, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, the tube wall face of its described hollow section 2 flushes with the cast-in-situ reinforcing steel bar concrete hollow slab bottom surface, has Cast-in-place concrete upper plate 6 to link to each other with cast-in-situ reinforced concrete longitudinal rib 4 on it.

Fig. 3 is the structural representation of the embodiment of the invention 3, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, the tube wall face of its described hollow section 2 flushes with the cast-in-situ reinforcing steel bar concrete hollow slab upper bottom surface, has Cast-in-place concrete lower plate 7 to link to each other with cast-in-situ reinforced concrete longitudinal rib 4 under it.

Fig. 4 is the structural representation of the embodiment of the invention 4, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and the tube wall face of its described hollow section 2 flushes with the bottom surface with the end face of cast-in-situ reinforcing steel bar concrete hollow slab respectively.

Fig. 5 is the structural representation of the embodiment of the invention 5, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described hollow section 2 upper and lower Cast-in-place concrete upper plates 6 that are respectively arranged with link to each other with cast-in-situ reinforced concrete longitudinal rib 4 with Cast-in-place concrete lower plate 7.

Fig. 6 is the structural representation of the embodiment of the invention 6, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, is provided with rib 8 between the Cast-in-place concrete end between the pipe end of its described hollow section 2.

Fig. 7 is the structural representation of the embodiment of the invention 7, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and the module of protruding on its described hollow section 25 links to each other with adjacent hollow section 2.

Fig. 8 is the structural representation of the embodiment of the invention 8, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and a plurality of protrusion modules 5 of stretching out on its described hollow section 8 are positioned at the same side of hollow section 2.

Fig. 9 is the structural representation of the embodiment of the invention 9, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and the module of protruding on its described hollow section 25 is positioned at the both sides of hollow section.

Figure 10 is the structural representation of the embodiment of the invention 10, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and the module of protruding on its described hollow section 25 is arranged in the dislocation of the both sides of hollow section 2.

Figure 11 is the structural representation of the embodiment of the invention 11, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, the module 5 that its described hollow section 2 protrudes is stretched out along three directions of hollow section, wherein, the axis of the module 5 of two direction protrusions is in same plane, and the axis direction of the module 5 of the protrusion of other direction is vertical with the plane, protrusion module 5 place of above-mentioned two directions.

Figure 12 is the structural representation of the embodiment of the invention 12, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, the module of protruding on its described hollow section 25 is stretched out along the four direction of hollow section, and the axis of the module 5 of the protrusion of adjacent both direction is vertical each other.

Figure 13 is the structural representation of the embodiment of the invention 13, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and the cross sectional shape of the module 5 of its described protrusion is circular.

Figure 14 is the structural representation of the embodiment of the invention 14, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described hollow section 2 is different with module 5 cross sectional shapes of protrusion on it.

Figure 15 is the structural representation of the embodiment of the invention 15, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described hollow section 2 is along body length direction reducing.

Figure 16 is the structural representation of the embodiment of the invention 16, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, the interval difference between the module of protruding on its described hollow section 25.

Figure 17 is the structural representation of the embodiment of the invention 17, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described hollow section 2 and the module of protruding 5 all are filled with light material 9.

Figure 18 is the structural representation of the embodiment of the invention 18, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, hollow section 2 is filled with light material 9, and its described light material 9 is the shot shape.

Figure 19 is the structural representation of the embodiment of the invention 19, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described hollow section 2 and module 5 are solid light material hollow section and module.

Figure 20 is the structural representation of the embodiment of the invention 20, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and the end of the module 5 of its described hollow section 2 and protrusion has docking facilities 10 respectively.

Figure 21 is the structural representation of the embodiment of the invention 21, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described docking facilities 10 is a bell and spigot.

Figure 22 is the structural representation of the embodiment of the invention 22, pipe end has the hollow section 2 of plug 3 to wrap up in to be contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, in its described hollow section 2 stiffening rib 11, bracing boom 12 and reinforcing rib 13 is arranged.

Figure 23 is the structural representation of the embodiment of the invention 23, pipe end has the hollow section 2 of plug 3 to wrap up in to be contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, stiffening rib 11, bracing boom 12 and reinforcing rib 13 are arranged in the hollow section 2, contain thin band reinforce 14 in its described stiffening rib 11, contain reinforcing bar reinforce 14 in the bracing boom 12.

Figure 24 is the structural representation of the embodiment of the invention 24, pipe end has the hollow section 2 of plug 3 to wrap up in to be contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, stiffening rib 11, bracing boom 12 and reinforcing rib 13 are arranged in the hollow section 2, contain reinforce 14 in the bracing boom 12, its described hollow section 2 and the module of protruding have rib of revealing 11 and dew bar 12 outward respectively, reveal reinforce 14.

Figure 25 is the structural representation of the embodiment of the invention 25, pipe end has the hollow section 2 of plug 3 to wrap up in to be contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, its described hollow section 2 has the hollow hole 15 of the band die cavity of opening, in the illustrated hollow hole reinforcing bar is arranged, and Cast-in-place concrete enters and formed compound reinforced pier 16 in the hollow hole 15.

Figure 26 is the structural representation of the embodiment of the invention 26, pipe end has the hollow section 2 of plug 3 to wrap up in to be contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described hollow section 2 is the Cement fibre pipe.

Figure 27 is the structural representation of the embodiment of the invention 27, pipe end has the hollow section 2 of plug 3 to wrap up in to be contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described cast-in-situ reinforcing steel bar concrete hollow slab is provided with bright beam 21 and dark beam 22.

Figure 28 is the structural representation of the embodiment of the invention 28, pipe end has the hollow section 2 of plug 3 to wrap up in to be contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, cast-in-situ reinforcing steel bar concrete hollow slab is provided with bright beam 21 and dark beam 22, and its described bright beam 21 and dark beam 22 contain reinforcing bar 23, and illustrated reinforcing bar 23 is i shaped steel and prestressed reinforcement.

Figure 29 is the structural representation of the embodiment of the invention 29, pipe end has the hollow section 2 of plug 3 to wrap up in to be contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described cast-in-situ reinforced concrete longitudinal rib 4 contains reinforcing bar 23.

(5) specific embodiment

The present invention is further illustrated below in conjunction with drawings and Examples.

The present invention as shown in drawings, comprise steel bar concrete 1, hollow section 2, two pipe ends of hollow section 2 have plug 3, hollow section 2 is wrapped up in and is contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is cast-in-situ reinforced concrete longitudinal rib 4 each other, it is characterized in that being extended with on the described hollow section 2 module 5 of at least one protrusion, module 5 is wrapped up in and is contained in the steel bar concrete 1.Fig. 1 is the structural representation of the embodiment of the invention 1.In each accompanying drawing, 1 be steel bar concrete, 2 for hollow section, 3 for plug, 4 for cast-in-situ reinforced concrete longitudinal rib, 5 for module, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, and hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, is extended with the module 5 of protrusion on its described hollow section 2, and module 5 is also wrapped up in and is contained in the steel bar concrete 1.

Feature of the present invention is that also the tube wall face of described hollow section 2 flushes with the cast-in-situ reinforcing steel bar concrete hollow slab bottom surface, and Cast-in-place concrete upper plate 6 is arranged on it, and Cast-in-place concrete upper plate 6 links to each other with cast-in-situ reinforced concrete longitudinal rib 4.Fig. 2 is the structural representation of the embodiment of the invention 2, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, the tube wall face of its described hollow section 2 flushes with the cast-in-situ reinforcing steel bar concrete hollow slab bottom surface, has Cast-in-place concrete upper plate 6 to link to each other with cast-in-situ reinforced concrete longitudinal rib 4 on it.

Feature of the present invention is that also the tube wall face of described hollow section 2 flushes with the cast-in-situ reinforcing steel bar concrete hollow slab upper bottom surface, and Cast-in-place concrete lower plate 7 is arranged under it, and Cast-in-place concrete lower plate 7 links to each other with cast-in-situ reinforced concrete longitudinal rib 4.Fig. 3 is the structural representation of the embodiment of the invention 3, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, the tube wall face of its described hollow section 2 flushes with the cast-in-situ reinforcing steel bar concrete hollow slab upper bottom surface, has Cast-in-place concrete lower plate 7 to link to each other with cast-in-situ reinforced concrete longitudinal rib 4 under it.

Feature of the present invention is that also the tube wall face of described hollow section 2 flushes with upper bottom surface with the cast-in-situ reinforcing steel bar concrete hollow slab bottom surface respectively.Fig. 4 is the structural representation of the embodiment of the invention 4, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and the tube wall face of its described hollow section 2 flushes with the bottom surface with the end face of cast-in-situ reinforcing steel bar concrete hollow slab respectively.

Feature of the present invention also is on the described hollow section 2 Cast-in-place concrete upper plate 6 is arranged, and Cast-in-place concrete upper plate 6 links to each other with cast-in-situ reinforced concrete longitudinal rib 4, and hollow section has Cast-in-place concrete lower plate 72 times, and Cast-in-place concrete lower plate 7 links to each other with cast-in-situ reinforced concrete longitudinal rib 4.Fig. 5 is the structural representation of the embodiment of the invention 5, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described hollow section 2 upper and lower Cast-in-place concrete upper plates 6 that are respectively arranged with link to each other with cast-in-situ reinforced concrete longitudinal rib 4 with Cast-in-place concrete lower plate 7.

Feature of the present invention also is to be provided with rib 8 between the Cast-in-place concrete end between the pipe end of described hollow section 2.Fig. 6 is the structural representation of the embodiment of the invention 6, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, is provided with rib 8 between the Cast-in-place concrete end between the pipe end of its described hollow section 2.

Feature of the present invention is that also rib 8 is rib between elongated end between described Cast-in-place concrete end.As shown in Figure 6, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and rib 8 is a rib between elongated end between its described its described Cast-in-place concrete end.

The module 5 that feature of the present invention also is the protrusion that stretches out on the described hollow section 2 is joined with adjacent hollow section 2.Fig. 7 is the structural representation of the embodiment of the invention 7, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and the module of protruding on its described hollow section 25 links to each other with adjacent hollow section 2.

Feature of the present invention is that also the module of protruding more than two 5 of stretching out on the described hollow section 2 is positioned at the same side of hollow section 2.Fig. 8 is the structural representation of the embodiment of the invention 8, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and a plurality of protrusion modules 5 of stretching out on its described hollow section 8 are positioned at the same side of hollow section 2.

Feature of the present invention is that also the module of protruding on the described hollow section 25 is positioned at the both sides of hollow section 2.Fig. 9 is the structural representation of the embodiment of the invention 9, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and the module of protruding on its described hollow section 25 is positioned at the both sides of hollow section.

Feature of the present invention also is module 5 symmetric arrangement on the same axis of the both sides of hollow section 2 of protrusion on the described hollow section 2.As shown in Figure 9, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, module 5 symmetric arrangement on the same axis of the both sides of hollow section 2 of protruding on its described hollow section 2.

Feature of the present invention is that also the module 5 that described hollow section 2 protrudes misplaces or arranged crosswise in the both sides of hollow section 2.Figure 10 is the structural representation of the embodiment of the invention 10, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and the module of protruding on its described hollow section 25 is arranged in the dislocation of the both sides of hollow section 2.

Feature of the present invention is that also the module 5 that described hollow section 2 protrudes stretches out along three directions of hollow section 2, wherein, the axis of the module 5 of the protrusion of two directions is in same plane, and the axis direction of the module 5 of the protrusion of other direction is vertical with the plane at module 5 places of the protrusion of above-mentioned two directions.Figure 11 is the structural representation of the embodiment of the invention 11, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, the module 5 that its described hollow section 2 protrudes is stretched out along three directions of hollow section, wherein, the axis of the module 5 of two direction protrusions is in same plane, and the axis direction of the module 5 of the protrusion of other direction is vertical with the plane, protrusion module 5 place of above-mentioned two directions.

Feature of the present invention is also on the described hollow section 2 that the module 5 protruded stretches out along the four direction of hollow section 2, and the axis of the module 5 of the protrusion of adjacent both direction is vertical each other.Figure 12 is the structural representation of the embodiment of the invention 12, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, the module of protruding on its described hollow section 25 is stretched out along the four direction of hollow section, and the axis of the module 5 of the protrusion of adjacent both direction is vertical each other.

Feature of the present invention is that also the profile of the module 5 of protrusion on the described hollow section 2 is identical or different.As shown in figure 12, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, the profile difference of the module of protruding on its described hollow section 25.

Feature of the present invention is that also the cross sectional shape of the module 5 of described hollow section 2 or protrusion is circle, ellipse, similar round, class ellipse, polygon, arc angle polygon or its combination.Figure 13 is the structural representation of the embodiment of the invention 13, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and the cross sectional shape of the module 5 of its described protrusion is circular.

Feature of the present invention is that also described hollow section 2 is identical or different with module 5 cross sectional shapes that protrude on it.Figure 14 is the structural representation of the embodiment of the invention 14, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described hollow section 2 is different with module 5 cross sectional shapes of protrusion on it.

Feature of the present invention is that also the module 5 of described hollow section 2 and protrusion is along body length direction reducing.Figure 15 is the structural representation of the embodiment of the invention 15, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described hollow section 2 is along body length direction reducing.

Interval between the module 5 that feature of the present invention also is to protrude on the described hollow section 2 is identical or different.Figure 16 is the structural representation of the embodiment of the invention 16, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, the interval difference between the module of protruding on its described hollow section 25.

Feature of the present invention is that also described hollow section 2 or the module of protruding 5 or both are for hollow.As shown in figure 16, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described hollow section 2 and the module of protruding 5 are hollow.

Feature of the present invention also is partly or entirely to be filled with light material 9 in described hollow section 2 or the module of protruding 5 or both.Figure 17 is the structural representation of the embodiment of the invention 17, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described hollow section 2 and the module of protruding 5 all are filled with light material 9.

Feature of the present invention is that also described light material 9 is shot shape or bulk.Figure 18 is the structural representation of the embodiment of the invention 18, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, hollow section 2 is filled with light material 9, and its described light material 9 is the shot shape.

Feature of the present invention is that also described hollow section 2 or the module of protruding 5 or both are for solid.Figure 19 is the structural representation of the embodiment of the invention 19, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described hollow section 2 and module 5 are solid light material hollow section and module.

Feature of the present invention is that also there is docking facilities 10 end of the module 5 of described hollow section 2 or protrusion.Figure 20 is the structural representation of the embodiment of the invention 20, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and the end of the module 5 of its described hollow section 2 and protrusion has docking facilities 10 respectively.

Feature of the present invention also be described hollow section 2 and the module 5 protruded between docking facilities 10 is arranged.As shown in figure 20, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, between the module 5 of its described hollow section 2 and protrusion docking facilities 10 is arranged.

Feature of the present invention also be described hollow section 2 and the module 5 protruded between docking facilities 10 be hole, groove, bar, location securing member, bell and spigot, binding iron wire or screw mandrel, nut, weldment or flange.Figure 21 is the structural representation of the embodiment of the invention 21, two pipe ends are wrapped up in by the hollow section 2 of plug 3 sealings and are contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is provided with cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described docking facilities 10 is a bell and spigot.

Feature of the present invention also be described hollow section 2 or the module of protruding 5 stiffening rib 11 is arranged in both or bracing boom 12 or reinforcing rib 13 at least one.Figure 22 is the structural representation of the embodiment of the invention 22, pipe end has the hollow section 2 of plug 3 to wrap up in to be contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, in its described hollow section 2 stiffening rib 11, bracing boom 12 and reinforcing rib 13 is arranged.

Feature of the present invention also is in described hollow section 2, the module 5, stiffening rib 11 or the bracing boom 12 that protrude or the reinforcing rib 13 reinforce 14 is arranged, and reinforce 14 be fiber, fleece, steel mesh reinforcement, gauze wire cloth, reinforcing bar, approach at least a in the band.Thin band reinforce 14 is for having hole, seam, groove, sour jujube head, concavo-convex, concavo-convex porose, impression, hair sour jujube, the fiber that exposes shortage, exasperate or their compound bands or being braid over braid, strap, sandwich tape, and thin band bandwidth equates or be unequal.Figure 23 is the structural representation of the embodiment of the invention 23, pipe end has the hollow section 2 of plug 3 to wrap up in to be contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, stiffening rib 11, bracing boom 12 and reinforcing rib 13 are arranged in the hollow section 2, contain thin band reinforce 14 in its described stiffening rib 11, contain reinforcing bar reinforce 14 in the bracing boom 12.

Module 5 outer at least one that have in dew rib 11, dew bar 12, the dew reinforce 14 that feature of the present invention also is described hollow section 2 or protrudes.Figure 24 is the structural representation of the embodiment of the invention 24, pipe end has the hollow section 2 of plug 3 to wrap up in to be contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, stiffening rib 11, bracing boom 12 and reinforcing rib 13 are arranged in the hollow section 2, contain reinforce 14 in the bracing boom 12, its described hollow section 2 and the module of protruding have rib of revealing 11 and dew bar 12 outward respectively, reveal reinforce 14.

Feature of the present invention is that also described hollow section 2 or the module of protruding 5 have the hollow hole 15 or the hollow hole 15 interior reinforcing bar or the gauze wire cloth reinforces 14 in addition of the band die cavity of opening, and Cast-in-place concrete enters and formed compound reinforced pier 16 in the hollow hole 15.Figure 25 is the structural representation of the embodiment of the invention 25, pipe end has the hollow section 2 of plug 3 to wrap up in to be contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, its described hollow section 2 has the hollow hole 15 of the band die cavity of opening, in the illustrated hollow hole reinforcing bar is arranged, and Cast-in-place concrete enters and formed compound reinforced pier 16 in the hollow hole 15.

Feature of the present invention is that also described hollow section 2 or the module of protruding 5 or both strengthen mesh stringing, paper tube for metal tube, plastic pipe, Cement fibre pipe, cement steel wire webmaster, cement.Figure 26 is the structural representation of the embodiment of the invention 26, pipe end has the hollow section 2 of plug 3 to wrap up in to be contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described hollow section 2 is the Cement fibre pipe.

Feature of the present invention is that also described hollow section 2 or the module of protruding 5 or both go up at least one in fluted 17, pit 18, convex tendon 19 or the protruding nail 20.As shown in figure 26, pipe end has the hollow section 2 of plug 3 to wrap up in to be contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, fluted 17 on its described hollow section 2 and the module 5 protruded, pit 18, convex tendon 19 and protruding nail 20.

Feature of the present invention is that also described cast-in-situ reinforcing steel bar concrete hollow slab is provided with bright beam 21 or dark beam 22.Figure 27 is the structural representation of the embodiment of the invention 27, pipe end has the hollow section 2 of plug 3 to wrap up in to be contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described cast-in-situ reinforcing steel bar concrete hollow slab is provided with bright beam 21 and dark beam 22.

Feature of the present invention is that also described bright beam 21 or dark beam 22 contain reinforcing bar 23.Reinforcing bar 23 is prestressed reinforcement, prestress wire, cold-rolled forming section, channel-section steel or i shaped steel.Figure 28 is the structural representation of the embodiment of the invention 28, pipe end has the hollow section 2 of plug 3 to wrap up in to be contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, cast-in-situ reinforcing steel bar concrete hollow slab is provided with bright beam 21 and dark beam 22, and its described bright beam 21 and dark beam 22 contain reinforcing bar 23, and illustrated reinforcing bar 23 is i shaped steel and prestressed reinforcement.

Feature of the present invention is that also rib 8 contains reinforcing bar 23 between described cast-in-situ reinforced concrete longitudinal rib 4 or Cast-in-place concrete end.Figure 29 is the structural representation of the embodiment of the invention 29, pipe end has the hollow section 2 of plug 3 to wrap up in to be contained in the cast-in-situ reinforced concrete 1, hollow section 2 longitudinally is cast-in-situ reinforced concrete longitudinal rib 4 each other, be extended with the module 5 of protrusion on the hollow section 2, module 5 is also wrapped up in and is contained in the steel bar concrete 1, and its described cast-in-situ reinforced concrete longitudinal rib 4 contains reinforcing bar 23.

During the invention process, press earlier the construction requirement mounting template, lay the reinforcing bar of Cast-in-place concrete lower plate and Cast-in-place concrete rib steel muscle or dark beam or bright beam, hollow section 2 is installed then, re-lay Cast-in-place concrete upper plate reinforcing bar, pour concrete after the acceptance(check), treat the concrete setting and harden after, maintenance is to stipulating the length of time that form removal promptly gets cast-in-situ reinforcing steel bar concrete hollow slab.

Claims (10)

1, a kind of cast-in-situ reinforcing steel bar concrete hollow slab, comprise steel bar concrete (1), hollow section (2), two pipe ends of hollow section (2) have plug (3), hollow section (2) is wrapped up in and is contained in the cast-in-situ reinforced concrete (1), hollow section (2) longitudinally is cast-in-situ reinforced concrete longitudinal rib (4) each other, it is characterized in that being extended with on the described hollow section (2) module (5) of at least one protrusion, module (5) is wrapped up in and is contained in the steel bar concrete (1).

2, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 1, the tube wall face that it is characterized in that described hollow section (2) flushes with the cast-in-situ reinforcing steel bar concrete hollow slab bottom surface, Cast-in-place concrete upper plate (6) is arranged on it, and Cast-in-place concrete upper plate (6) links to each other with cast-in-situ reinforced concrete longitudinal rib (4).

3, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 1, the tube wall face that it is characterized in that described hollow section (2) flushes with the cast-in-situ reinforcing steel bar concrete hollow slab upper bottom surface, Cast-in-place concrete lower plate (7) is arranged under it, and Cast-in-place concrete lower plate (7) links to each other with cast-in-situ reinforced concrete longitudinal rib (4).

4, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 1 is characterized in that the tube wall face of described hollow section (2) flushes with upper bottom surface with the cast-in-situ reinforcing steel bar concrete hollow slab bottom surface respectively.

5, a kind of cast-in-situ reinforcing steel bar concrete hollow slab according to claim 1, it is characterized in that Cast-in-place concrete upper plate (6) is arranged on the described hollow section (2), Cast-in-place concrete upper plate (6) links to each other with cast-in-situ reinforced concrete longitudinal rib (4), Cast-in-place concrete lower plate (7) is arranged under the hollow section (2), and Cast-in-place concrete lower plate (7) links to each other with cast-in-situ reinforced concrete longitudinal rib (4).

6,, it is characterized in that being provided with rib between the Cast-in-place concrete end (8) between the pipe end of described hollow section (2) according to the described a kind of cast-in-situ reinforcing steel bar concrete hollow slab of arbitrary claim in the claim 1 to 5; Perhaps rib (8) is a rib between elongated end between the Cast-in-place concrete end; Perhaps the module (5) of the protrusion that stretches out on the hollow section (2) is joined with adjacent hollow section (2); The module of protruding more than two (5) of perhaps stretching out on the hollow section (2) is positioned at the same side of hollow section (2); Perhaps hollow section (2) is gone up the both sides that the module of protruding (5) is positioned at hollow section (2); Perhaps hollow section (2) is gone up module (5) symmetric arrangement on the same axis of the both sides of hollow section (2) of protruding; Perhaps the module (5) of hollow section (2) protrusion is in dislocation of the both sides of hollow section (2) or arranged crosswise.

7, according to the described a kind of cast-in-situ reinforcing steel bar concrete hollow slab of arbitrary claim in the claim 1 to 5, the module (5) that it is characterized in that described hollow section (2) protrusion is stretched out along three directions of hollow section (2), wherein, the axis of the module of the protrusion of two directions (5) is in same plane, and the axis direction of the module of the protrusion of other direction (5) is vertical with the plane at module (5) place of the protrusion of above-mentioned two directions; Perhaps the last module of protruding (5) of hollow section (2) is stretched out along the four direction of hollow section (2), and the axis of the module of the protrusion of adjacent both direction (5) is vertical each other; Perhaps the profile of the last module of protruding (5) of hollow section (2) is identical or different; Perhaps the cross sectional shape of the module (5) of hollow section (2) or protrusion is circle, ellipse, similar round, class ellipse, polygon, arc angle polygon or its combination; Perhaps hollow section (2) is identical or different with module (5) cross sectional shape that protrudes on it; Perhaps the module (5) of hollow section (2) and protrusion is along body length direction reducing; Perhaps the interval between the last module of protruding (5) of hollow section (2) is identical or different.

8,, it is characterized in that described hollow section (2) or the module of protruding (5) or both are for hollow according to the described a kind of cast-in-situ reinforcing steel bar concrete hollow slab of arbitrary claim in the claim 1 to 5; Perhaps partly or entirely be filled with light material (9) in hollow section (2) or the module of protruding (5) or both; Perhaps light material (9) is shot shape or bulk; Perhaps hollow section (2) or the module of protruding (5) or both are solid; Perhaps there is docking facilities (10) end of the module (5) of hollow section (2) or protrusion; Perhaps between the module (5) of hollow section (2) and protrusion docking facilities (10) is arranged; Perhaps the docking facilities (10) between the module (5) of hollow section (2) and protrusion is hole, groove, bar, location securing member, bell and spigot, binding iron wire or screw mandrel, nut, weldment or flange.

9, according to the described a kind of cast-in-situ reinforcing steel bar concrete hollow slab of arbitrary claim in the claim 1 to 5, it is characterized in that described hollow section (2) or the module of protruding (5) stiffening rib (11) is arranged in both or bracing boom (12) or reinforcing rib (13) at least one; Perhaps in hollow section (2), the module (5), stiffening rib (11) or the bracing boom (12) that protrude or the reinforcing rib (13) reinforce (14) is arranged, reinforce (14) be fiber, fleece, steel mesh reinforcement, gauze wire cloth, reinforcing bar, approach at least a in the band; Perhaps the module (5) of hollow section (2) or protrusion has hollow hole (15) or hollow hole (15) the interior reinforcing bar or the gauze wire cloth reinforce (14) in addition of the band die cavity of opening, and Cast-in-place concrete enters and formed compound reinforced pier (16) in the hollow hole (15); Perhaps hollow section (2) or the module of protruding (5) or both be metal tube, plastic pipe, Cement fibre pipe, cement steel wire webmaster, cement enhancing mesh stringing, paper tube; Perhaps hollow section (2) or the module of protruding (5) or both go up at least one in fluted (17), pit (18), convex tendon (19) or the protruding nail (20).

10,, it is characterized in that described cast-in-situ reinforcing steel bar concrete hollow slab is provided with bright beam (21) or dark beam (22) according to the described a kind of cast-in-situ reinforcing steel bar concrete hollow slab of arbitrary claim in the claim 1 to 5; Perhaps bright beam (21) or dark beam (22) contain reinforcing bar (23); Perhaps rib (8) contains reinforcing bar (23) between cast-in-situ reinforced concrete longitudinal rib (4) or Cast-in-place concrete end.

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