CN202990200U - Cast-in-situ hollow floor - Google Patents

Cast-in-situ hollow floor Download PDF

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Publication number
CN202990200U
CN202990200U CN 201220720665 CN201220720665U CN202990200U CN 202990200 U CN202990200 U CN 202990200U CN 201220720665 CN201220720665 CN 201220720665 CN 201220720665 U CN201220720665 U CN 201220720665U CN 202990200 U CN202990200 U CN 202990200U
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CN
China
Prior art keywords
cast
plate
superstructure
floor
internal mold
Prior art date
Application number
CN 201220720665
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Chinese (zh)
Inventor
刘青云
Original Assignee
刘青云
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 刘青云 filed Critical 刘青云
Priority to CN 201220720665 priority Critical patent/CN202990200U/en
Application granted granted Critical
Publication of CN202990200U publication Critical patent/CN202990200U/en

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Abstract

The utility model provides a cast-in-situ hollow floor which comprises a floor upper plate, ribbed beams, a floor lower plate and a composite filling mandrel. The floor upper plate is formed by combining and hardening cast-in-situ concrete and floor slab rebars, the ribbed beams are formed by combining and hardening cast-in-situ concrete and floor ribbed rebars, the floor lower plate is formed by combining and hardening cast-in-situ concrete and floor bottom plate rebars, and the composite filling mandrel comprises a light inner mould and a hard shell. The light inner mould is a solid polystyrene box, the hard shell covers outside the outer surface of the light inner mould, the hard shell is a hard inorganic composite layer formed on the outer surface of the light inner mould by hardening cement paste or cement mortar coated on the light inner mould, the composite filling mandrel is provided with a concrete flow hole penetrating through the upper surface and the lower surface, and concrete pillars connecting the floor upper plate and the floor lower plate are stacked and formed in the cast-in-situ concrete flow hole. The cast-in-situ hollow floor has the technical effects of light dead weight, reasonable structure, simplicity in construction and the like.

Description

A kind of cast-in-situ hollow building roof
Technical field
The utility model relates to a kind of novel building structure, is specifically related to a kind of cast-in-situ hollow building roof.
Background technology
at present in the cast-in-situ hollow building roof technical field, usually adopt thin-wall box body or light-wall pipe member moulding by casting hollow building cover, as early stage ZL02282207.0 " thin-wall box-body cast-in-place cavity plate thin-wall box body " patent, this patent is to adopt inorganic cement to produce thin-wall box body, the casing of producing is widely applied in the cast-in-situ hollow building roof Practical Project, thin-wall box body forms hollow layer in floor slab with small dense ribs, can reach and save build concrete and reinforcing bar, reduce the building floor height, improve space availability ratio, promote the superstructure soundproof effect, improve the building cover structure performance, improve the cracking resistance shake-proof ability, promote superstructure sound-insulating performance.
But the cavity thin-wall box body of making due to the pure inorganic cement cementitious materials of this kind, the cementing material solidification firm time that is used for making thin-wall box body is long, mould and artificial utilization rate are low, and the cementing density of material after sclerosis is large, the cavity thin-wall box body weight of making is heavier, production, transportation and site operation are all inconvenient, and the cast-in-situ hollow building roof that adopts the cement thin-walled casing of this kind to pour into a mould, superstructure from great, hollow rate is low, the easy cracking and easily cause hidden dangers in project of the superstructure of cast.
There is aforesaid defective in the hollow floor system that pours in view of available technology adopting inorganic cement thin-wall box body, therefore, develop a kind of adopt make that composite filled core is made, speed of production is fast, efficient is high, cost is low, convenient transportation, the simple and convenient cast-in-situ hollow building roof of floor construction, has become the urgent need of hollow building cover technical field.
The utility model content
the purpose of this utility model is to provide a kind of cast-in-situ hollow building roof, comprises superstructure upper plate, girt strip, superstructure lower plate and composite filled core, described superstructure upper plate is formed in conjunction with sclerosis by cast-in-place concrete and superstructure slab reinforcement, described girt strip is formed in conjunction with sclerosis by cast-in-place concrete and superstructure rib reinforcement, described superstructure lower plate is formed in conjunction with sclerosis by cast-in-place concrete and superstructure baseplate reinforcing bar, described composite filled core comprises lightweight internal mold and hard shell, described lightweight internal mold is solid polystyrene casing, described hard shell is coated on the external surface of lightweight internal mold, described hard shell is cement paste or the rear hard inorganic compounding layer that forms on lightweight internal mold external surface of cement mortar sclerosis that is coated on the lightweight internal mold, the interposition of described composite filled core is equipped with the concrete flow via holes that runs through upper and lower surface, cast-in-place concrete is built up the concrete post that connects superstructure upper plate and superstructure lower plate in the circulation hole.
More preferred, described lightweight internal mold is that expanded polystyrene particle is made the solid polystyrene casing of type at mould inner pressure.
The solid polystyrene casing more preferred, that the large plate of expanded polystyrene (EPS) that described lightweight internal mold is moulding forms by the specification cutting.
More preferred, described solid polystyrene casing is solid fire retardant polystyrene casing.
More preferred, include reinforce in described hard shell, reinforce is at least a in glass fiber mesh, glass fabric, glass fiber, polypropylene fiber net, polypropylene filaments.
More preferred, include building water-proof glue or rubber powder in described hard shell.
More preferred, described composite filled core upper and lower surface at least one face on arc-shaped convex is arranged.
A kind of cast-in-situ hollow building roof of the present utility model, compare with traditional solid floor, can reach saving build concrete and reinforcing bar, reduction building floor height, improve space availability ratio, promote the superstructure soundproof effect, improve the building cover structure performance, improve the cracking resistance shake-proof ability, promote many technique effects such as superstructure sound-insulating performance.And the composite filled core that is used for this cast-in-situ hollow building roof, wherein solid polystyrene internal mold adopts mechanization production, and the production efficiency of internal mold is high, speed fast, less to artificial dependence, and the overall product cost is low; Solid polystyrene casing is fire retardant polystyrene, has improved the fireproof performance of product; Hard shell adopts cement paste or cement mortar as raw material, the shell of easy floating formation even thickness during production; Be mixed with building water-proof glue or rubber powder in the cement paste of hard shell or cement mortar, the caking property of product significantly strengthens, and hard shell can be realized the secondary fire-resisting protection to solid polystyrene casing, gluewater in use for construction or rubber powder reduce the water absorption rate of hard shell in addition, make product be not easy suction, dusting, dry linting; Include reinforce in hard shell, can significantly improve cracking resistance and the rigidity of product, make product have extremely good resistance to compression load-carrying properties and good deformation-recovery performance, avoid product cracking or damaged problem to occur in production and construction use procedure; In addition; adopting the polystyrene casing is the composite filled core of internal mold, has higher elasticity and pliability, tramples core during floor construction or vibrating head when cast-in-place; the phenomenon of the excessive casing breakage of pressure can not occur, guarantee product integrality and construction convenience.Therefore, adopt the cast-in-situ hollow building roof of technical solutions of the utility model, have superstructure from heavy and light, structure stress rationally, the technique effect such as the simple and convenient safety of constructing, fireproof performance is good.
Description of drawings
Fig. 1 is the section of structure of the composite filled core that adopts of a kind of cast-in-situ hollow building roof of the utility model.
Fig. 2 is the section of structure of a kind of cast-in-situ hollow building roof of the utility model.
The specific embodiment
Further illustrate below in conjunction with accompanying drawing the utility model.
Fig. 1 is the section of structure of the composite filled core that adopts of a kind of cast-in-situ hollow building roof of the utility model.As shown in Figure 1, the composite filled core for hollow building cover of the present utility model comprises hard shell 1, lightweight internal mold 2.
Wherein lightweight internal mold 2 is solid polystyrene casing, specifically, lightweight internal mold 2 is made the solid polystyrene casing of type for expanded polystyrene particle at mould inner pressure, the solid polystyrene casing that perhaps forms by the specification cutting for the large plate of expanded polystyrene (EPS) of moulding.The organic material polystyrene has higher elasticity and pliability, tramples core during floor construction or vibrating head when cast-in-place, the phenomenon of the excessive casing breakage of pressure can not occur, has guaranteed product integrality and construction convenience.In addition, for improving the fire-protection rating of lightweight internal mold 2, can adopt and add fire retardant in expanded polystyrene (EPS), be i.e. the solid polystyrene casing of lightweight internal mold 2() be solid fire retardant polystyrene casing.
Hard shell 1 is coated on the external surface of lightweight internal mold 2, hard shell 1 is for being coated in cement paste or the rear hard inorganic compounding layer that forms of cement mortar sclerosis on lightweight internal mold 2 on lightweight internal mold 2 external surfaces, be used for making raw material cement paste or the cement mortar of hard shell 1, can adopt Portland cement, if need to accelerate the rate of hardening of hard shell, can also adopt repaid hardening sulphoaluminate cement.Be elasticity and the water proofing property that increases composite filled core, can also add building water-proof glue or rubber powder in the raw material of making hard shell 1, glue or rubber powder and raw water mud are mixed into polymer, significantly increased caking property, the hard shell close structure that forms, water absorption rate is low, be difficult for the drop dry linting, can play the secondary fire retardation to lightweight internal mold 2.Improve cracking resistance and the rigidity of product, place reinforce in hard shell 1 again, reinforce can in glass fiber mesh, glass fabric, glass fiber, polypropylene fiber net, polypropylene filaments one or more, composite filled core after the placement reinforce has good resistance to compression load-carrying properties and good deformation-recovery performance, can avoid product the problem of cracking or breakage to occur in production and construction use procedure.
The soffit of composite filled core has arc-shaped convex 3, arc-shaped convex 3 can form support between composite filled core and hollow building cover template, thereby form the circulation road of cast-in-situ concrete, make cast-in-place concrete can pass through circulation road, be paved with the bottom of composite filled core, the hollow building cover surface of cast-in-place formation is closely knit, smooth, attractive in appearance.Simultaneously, the upper surface of composite filled core also is provided with arc-shaped convex 3, the arc-shaped convex 3 of upper surface can with the mutual build-in of cast-in-place concrete, improve the structural performance of cast-in-situ open-web floor.The centre position of composite filled core is provided with the concrete flow via holes 4 that runs through upper and lower surface.Cast-in-place concrete can arrive the bottom of composite filled cores by concrete flow via holes 4, be paved with the bottom of composite filled core, and the hollow building cover surface of cast-in-place formation is closely knit, smooth, attractive in appearance.Wherein the cross section of concrete flow via holes 4 is circular.
Fig. 2 is the section of structure of a kind of cast-in-situ hollow building roof of the utility model.As shown in Figure 2, when composite filled core 5 is applied to cast-in-situ hollow building roof, be equipped with baseplate reinforcing bar 8 on template 7, the good rib reinforcement 9 of colligation, the webbed space of shape between rib reinforcement 9, lay composite filled core 5 in the space, then lay top board reinforcing bar 10, after processing, set aside pre-embedded and anti-floating carry out concrete cast-in-site, cast-in-place concrete and baseplate reinforcing bar 8 are in conjunction with the superstructure lower plate 11 that forms hollow building cover, with the girt strip 12 of rib reinforcement 9 formation hollow building covers, with the superstructure upper plate 13 of top board reinforcing bar 10 formation hollow building covers.Cast-in-place concrete is built up the concrete post 14 that connects superstructure upper plate 13 and superstructure lower plate 11 in circulation hole 4.
A kind of cast-in-situ hollow building roof of the present utility model, compare with traditional solid floor, can reach saving build concrete and reinforcing bar, reduction building floor height, improve space availability ratio, promote the superstructure soundproof effect, improve the building cover structure performance, improve the cracking resistance shake-proof ability, promote many technique effects such as superstructure sound-insulating performance.And the composite filled core that is used for this cast-in-situ hollow building roof, wherein solid polystyrene internal mold adopts mechanization production, and the production efficiency of internal mold is high, speed fast, less to artificial dependence, and the overall product cost is low; Solid polystyrene casing is fire retardant polystyrene, has improved the fireproof performance of product; Hard shell adopts cement paste or cement mortar as raw material, the shell of easy floating formation even thickness during production; Be mixed with building water-proof glue or rubber powder in the cement paste of hard shell or cement mortar, the caking property of product significantly strengthens, and hard shell can be realized the secondary fire-resisting protection to solid polystyrene casing, gluewater in use for construction or rubber powder reduce the water absorption rate of hard shell in addition, make product be not easy suction, dusting, dry linting; Include reinforce in hard shell, can significantly improve cracking resistance and the rigidity of product, make product have extremely good resistance to compression load-carrying properties and good deformation-recovery performance, avoid product cracking or damaged problem to occur in production and construction use procedure; In addition; adopting the polystyrene casing is the composite filled core of internal mold, has higher elasticity and pliability, tramples core during floor construction or vibrating head when cast-in-place; the phenomenon of the excessive casing breakage of pressure can not occur, guarantee product integrality and construction convenience.Therefore, adopt the cast-in-situ hollow building roof of technical solutions of the utility model, have superstructure from heavy and light, structure stress rationally,, the technique effect such as the simple and convenient safety of constructing, fireproof performance is good.
Should be noted that at last: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although with reference to above-described embodiment, the utility model is had been described in detail, those of ordinary skill in the field are to be understood that, still can modify or be equal to replacement the specific embodiment of the present utility model, and the end breaks away from any modification of the utility model spirit and scope or is equal to replacement, and it all should be encompassed in the middle of claim scope of the present utility model.

Claims (5)

1. a cast-in-situ hollow building roof, comprise superstructure upper plate, girt strip, superstructure lower plate and composite filled core, described superstructure upper plate is formed in conjunction with sclerosis by cast-in-place concrete and superstructure slab reinforcement, described girt strip is formed in conjunction with sclerosis by cast-in-place concrete and superstructure rib reinforcement, described superstructure lower plate is formed in conjunction with sclerosis by cast-in-place concrete and superstructure baseplate reinforcing bar, it is characterized in that, described composite filled core comprises lightweight internal mold and hard shell, described lightweight internal mold is solid polystyrene casing, described hard shell is coated on the external surface of lightweight internal mold, described hard shell is cement paste or the rear hard inorganic compounding layer that forms on lightweight internal mold external surface of cement mortar sclerosis that is coated on the lightweight internal mold, the interposition of described composite filled core is equipped with the concrete flow via holes that runs through upper and lower surface, cast-in-place concrete is built up the concrete post that connects superstructure upper plate and superstructure lower plate in the circulation hole.
2. cast-in-situ hollow building roof as claimed in claim 1, is characterized in that described lightweight internal mold is that expanded polystyrene particle is made the solid polystyrene casing of type at mould inner pressure.
3. cast-in-situ hollow building roof as claimed in claim 1 is characterized in that the solid polystyrene casing that the large plate of expanded polystyrene (EPS) that described lightweight internal mold is moulding forms by the specification cutting.
4. cast-in-situ hollow building roof as claimed in claim 1, is characterized in that described solid polystyrene casing is solid fire retardant polystyrene casing.
5. cast-in-situ hollow building roof as claimed in claim 1 is characterized in that at least one face in the upper and lower surface of described composite filled core, arc-shaped convex being arranged.
CN 201220720665 2012-12-24 2012-12-24 Cast-in-situ hollow floor CN202990200U (en)

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CN 201220720665 CN202990200U (en) 2012-12-24 2012-12-24 Cast-in-situ hollow floor

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Application Number Priority Date Filing Date Title
CN 201220720665 CN202990200U (en) 2012-12-24 2012-12-24 Cast-in-situ hollow floor

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CN202990200U true CN202990200U (en) 2013-06-12

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104005501A (en) * 2014-04-30 2014-08-27 王本淼 Cast-in-place hollow floor system with holes composed of steel meshes and organic objects
CN104563356A (en) * 2015-01-08 2015-04-29 刘自强 Lightweight solid inner core
CN105569245A (en) * 2016-01-01 2016-05-11 郭朋中 Construction method for in-situ concrete hollow floor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104005501A (en) * 2014-04-30 2014-08-27 王本淼 Cast-in-place hollow floor system with holes composed of steel meshes and organic objects
CN104563356A (en) * 2015-01-08 2015-04-29 刘自强 Lightweight solid inner core
CN105569245A (en) * 2016-01-01 2016-05-11 郭朋中 Construction method for in-situ concrete hollow floor
CN105569245B (en) * 2016-01-01 2018-11-27 郭朋中 A kind of construction method of cast-in-place concrete hollow building roof

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Assignee: Shaoyang Lixin Building Material Technology Co., Ltd.

Assignor: Liu Qingyun

Contract record no.: 2015430000117

Denomination of utility model: Combined frame of steel meshed body and organic object for pore forming of cast-in-place hollow floor

Granted publication date: 20130612

License type: Exclusive License

Record date: 20150727

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model