CN103603448A - Fabricated reinforced concrete and wood composite floor - Google Patents

Fabricated reinforced concrete and wood composite floor Download PDF

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Publication number
CN103603448A
CN103603448A CN201310475483.6A CN201310475483A CN103603448A CN 103603448 A CN103603448 A CN 103603448A CN 201310475483 A CN201310475483 A CN 201310475483A CN 103603448 A CN103603448 A CN 103603448A
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CN
China
Prior art keywords
reinforced concrete
floor
wood
steel pipe
wood composite
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201310475483.6A
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Chinese (zh)
Inventor
刘伟庆
陆伟东
郑维
王伟
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Nanjing University
Nanjing University of Science and Technology
Original Assignee
Nanjing University of Science and Technology
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Publication date
Application filed by Nanjing University of Science and Technology filed Critical Nanjing University of Science and Technology
Priority to CN201310475483.6A priority Critical patent/CN103603448A/en
Publication of CN103603448A publication Critical patent/CN103603448A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a fabricated reinforced concrete and wood composite floor. The fabricated concrete and wood composite floor comprises prefabricated reinforced concrete floors, wood joists, square head wood screws, steel tube embedded parts and floor margin embedded parts, wherein the prefabricated reinforced concrete floors are internally provided with the steel tube embedded parts; the floor margin embedded parts are arranged at the side edges of the prefabricated reinforced concrete floors; the prefabricated reinforced concrete floors are connected with the corresponding wood hoists below through the square head wood screws; the square head wood screws penetrate the steel tube embedded parts; adjacent prefabricated reinforced concrete floors are in bolted connection through the floor margin embedded parts. Compared with the traditional floors, the fabricated reinforced concrete and wood composite floor can enhance bearing capability and rigidity of the floors, and can greatly improve sound isolation effect and fireproof performance; compared with the cast-in-place reinforced concrete and wood composite floor, the fabricated reinforced concrete and wood composite floor can leave out the processes of mold manufacturing, casting, hardening and the like, can speed up construction progress greatly and can reduce manufacturing cost.

Description

A kind of assembled steel reinforced concrete-wood composite floor slab
Technical field
The present invention relates to a kind of building structural element, be specifically related to the concrete-wood composite floor slab in light-duty or heavy timber construction house, belong to building structure technology field.
Background technology
The floor system that existing floor light-duty or heavy timber construction house mainly adopts plank and wooden joist to form.Intensity, the rigidity of this floor are lower, and applicable span is less, and sound insulation and fireproof performance are also poor.Grant number is that the utility model patent of CN201660990U has proposed a kind of reinforced concrete-wood combined floor slab.This novel composite floor is compared with Traditional Wood floor, and component strength, rigidity, sound insulation and fireproof performance are all improved.Compare with traditional reinforced concrete floor, the thickness reduction of floor, effectively reduce dead load, reduce accordingly horizontal force and the basis size of structure under seismic loading, and then reduce cost.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of assembled steel reinforced concrete-wood composite floor slab is provided.
The technical solution used in the present invention is: a kind of assembled steel reinforced concrete-wood composite floor slab, comprise prefabricated reinforced concrete floor, wooden joist, square head wood screw, steel pipe embedded part and floor edge built-in fitting, in described prefabricated reinforced concrete floor, be provided with steel pipe embedded part, prefabricated reinforced concrete floor side is provided with floor edge built-in fitting;
Described prefabricated reinforced concrete floor connects by the square head wood screw wooden joist corresponding with below, and square head wood screw, through described steel pipe embedded part, carries out bolt connection by described floor edge built-in fitting between contiguous prefabricated reinforced concrete floor.
As preferably, described wooden joist timber used is log, glued laminated timber (Glulam) or rotary-cut laminated wood (LVL).
As preferably, described wooden joist cross sectional shape is rectangle or inverted T shape, and bay of joist is 400-600mm.
As preferably, in described reinforced concrete prefabricated floor, be furnished with two-way concrete slab, bar diameter is 6-12mm, rebar spacing is 100-150mm; Concrete thickness is 60-75mm, and thickness of protection tier is 20-30mm.
As preferably, described steel pipe embedded part is band flank steel pipe embedded part, thickness of steel pipe 2-3mm, and pipe diameter is consistent with square head wood screw external diameter.
As preferably, described square head wood screw diameter is 16-20mm.
As preferably, described floor edge built-in fitting adopts band dowel square steel pipe built-in fitting, steel pipe length of side 60-100mm, and wall thickness 6-8mm, dowel adopts Ribbed Bar, bar diameter 12-16mm.
The invention has the beneficial effects as follows: compare with Traditional Wood floor, can strengthen flooring supporting capacity and rigidity, significantly improve defening effect and fireproof performance; And compare with cast-in-situ steel reinforced concrete-wood composite floor slab, the present invention can save the processes such as molding, cast and sclerosis, accelerating construction progress significantly, and reduce cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is section of structure of the present invention.
Fig. 3 is connection diagram of the present invention.
Fig. 4 is steel pipe embedded part schematic diagram of the present invention.
Fig. 5 is prefabricated reinforced concrete floor of the present invention edge built-in fitting schematic diagram.
In figure: prefabricated reinforced concrete floor 1, wooden joist 2, square head wood screw 3, steel pipe embedded part 4, floor edge built-in fitting 5.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
As Figure 1-3, a kind of assembled steel reinforced concrete-wooden composite floor system, is comprised of prefabricated reinforced concrete floor 1, wooden joist 2, square head wood screw 3, steel pipe embedded part 4, floor edge built-in fitting 5.
In described prefabricated reinforced concrete floor 1, be provided with steel pipe embedded part 4, prefabricated reinforced concrete floor 1 side is provided with floor edge built-in fitting 5; Described prefabricated reinforced concrete floor 1 connects by the square head wood screw 3 wooden joist 2 corresponding with below, and square head wood screw 3, through described steel pipe embedded part 4, carries out bolt connection by described floor edge built-in fitting 5 between contiguous prefabricated reinforced concrete floor 1.
Described wooden joist timber used is log, glued laminated timber (Glulam) or rotary-cut laminated wood (LVL), and wooden joist cross sectional shape is rectangle or inverted T shape, and bay of joist is 400-600mm.
Prefabricated reinforced concrete floor 1 adopts prefabrication, is furnished with two-way concrete slab in floor, and bar diameter is 6-12mm, and rebar spacing is 100-150mm; Concrete thickness is 60-75mm, and thickness of protection tier is 20-30mm.Steel pipe embedded part 4 and floor edge built-in fitting 5 are set in relevant position.
Described square head wood screw diameter is 16-20mm.
As shown in Figure 4, steel pipe embedded part 4 is comprised of round steel pipe 41 and square frange plate 42, and thickness of steel product is 2-3mm; The internal diameter of round steel pipe 41 is with the external diameter of square head wood screw 3; Square frange plate 42 is connected by spot welding with round steel pipe 41.
As shown in Figure 5, floor edge built-in fitting 5 is comprised of square steel pipe 51 and dowel 52, square steel pipe wall thickness 6-8mm, square steel pipe length of side 60-100mm; Dowel should be selected Ribbed Bar, diameter 12-16mm; Dowel 52 and square steel pipe member 51 are by being welded to connect.
The course of work of the present invention is as follows: during construction, first according to the form of construction work of Traditional Wood superstructure, wooden joist 2 is connected with body of wall or Vierendeel girder, concrete connected mode is with reference to relevant atlas; Then prefabricated reinforced concrete floor 1 is lifted to relevant position, square head wood screw 3 is screwed in wooden joist 2 by steel pipe embedded part 4.1 of contiguous prefabricated reinforced concrete floor carries out bolt connection by floor edge built-in fitting 5.
A kind of assembled steel reinforced concrete-wood composite floor slab of the present invention is according to the computational methods of compound beam, consider the compound action between reinforced concrete floor and wooden joist, calculate the spacing of needed joist sectional dimension and shear connector, and should meet the requirement of concerned countries standard.
It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.In the present embodiment not clear and definite each ingredient all available prior art realized.

Claims (7)

1. an assembled steel reinforced concrete-wood composite floor slab, it is characterized in that: comprise prefabricated reinforced concrete floor, wooden joist, square head wood screw, steel pipe embedded part and floor edge built-in fitting, in described prefabricated reinforced concrete floor, be provided with steel pipe embedded part, prefabricated reinforced concrete floor side is provided with floor edge built-in fitting;
Described prefabricated reinforced concrete floor connects by the square head wood screw wooden joist corresponding with below, and square head wood screw, through described steel pipe embedded part, carries out bolt connection by described floor edge built-in fitting between contiguous prefabricated reinforced concrete floor.
2. a kind of assembled steel reinforced concrete-wood composite floor slab according to claim 1, is characterized in that: described wooden joist timber used is log, glued laminated timber or rotary-cut laminated wood.
3. a kind of assembled steel reinforced concrete-wood composite floor slab according to claim 1, is characterized in that: described wooden joist cross sectional shape is rectangle or inverted T shape, and bay of joist is 400-600mm.
4. a kind of assembled steel reinforced concrete-wood composite floor slab according to claim 1, is characterized in that: in described reinforced concrete prefabricated floor, be furnished with two-way concrete slab, bar diameter is 6-12mm, and rebar spacing is 100-150mm; Concrete thickness is 60-75mm, and thickness of protection tier is 20-30mm.
5. a kind of assembled steel reinforced concrete-wood composite floor slab according to claim 1, is characterized in that: described steel pipe embedded part is band flank steel pipe embedded part, thickness of steel pipe 2-3mm, and pipe diameter is consistent with square head wood screw external diameter.
6. a kind of assembled steel reinforced concrete-wood composite floor slab according to claim 1, is characterized in that: described square head wood screw diameter is 16-20mm.
7. a kind of assembled steel reinforced concrete-wood composite floor slab according to claim 1, is characterized in that: described floor edge built-in fitting adopts band dowel square steel pipe built-in fitting, steel pipe length of side 60-100mm, wall thickness 6-8mm; Dowel adopts Ribbed Bar, and diameter is 12-16mm.
CN201310475483.6A 2013-10-12 2013-10-12 Fabricated reinforced concrete and wood composite floor Pending CN103603448A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310475483.6A CN103603448A (en) 2013-10-12 2013-10-12 Fabricated reinforced concrete and wood composite floor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310475483.6A CN103603448A (en) 2013-10-12 2013-10-12 Fabricated reinforced concrete and wood composite floor

Publications (1)

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CN103603448A true CN103603448A (en) 2014-02-26

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106639091A (en) * 2017-02-28 2017-05-10 苏州昆仑绿建木结构科技股份有限公司 Laminated wood-concrete combined floor
CN107366360A (en) * 2017-07-31 2017-11-21 湖南大学 A kind of compound shear connector of steel pipe ultra-high performance concrete
DE102016211636A1 (en) * 2016-06-28 2017-12-28 Veit Dennert Kg Baustoffbetriebe Building ceiling, in particular for wooden houses, and ceiling element therefor
CN108505675A (en) * 2018-04-10 2018-09-07 上海市建筑科学研究院 A kind of novel combination type floor and its construction method
CN111549911A (en) * 2020-06-04 2020-08-18 郑州大学 Wood-concrete connection structure using sleeve and self-tapping screw

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0452349A (en) * 1990-06-20 1992-02-20 Onoda Autoclaved Light Weight Concrete Co Ltd Lightweight cellular concrete slab structure for wooden framework
CH694945A5 (en) * 2000-04-04 2005-09-30 Full Restore Ltd Ceiling is made of wooden beams and plates, being rendered monolithic by fixture devices
DE102004014765A1 (en) * 2004-03-26 2005-10-06 Veit Dennert Kg Industrially prefabricated floor plate has thin flat concrete slab resting on thick wooden beams running longitudinally and has fastening systems along long edges to fasten adjacent beams together
CN101553632A (en) * 2006-12-08 2009-10-07 尼尔斯·埃里克·内斯科 A plank structure and method of installation
CN201660990U (en) * 2010-03-12 2010-12-01 昆明理工大学 Reinforced concrete-wood combined floor slab
CN203487675U (en) * 2013-10-12 2014-03-19 南京工业大学 Assembled reinforced concrete-wood composite floor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0452349A (en) * 1990-06-20 1992-02-20 Onoda Autoclaved Light Weight Concrete Co Ltd Lightweight cellular concrete slab structure for wooden framework
CH694945A5 (en) * 2000-04-04 2005-09-30 Full Restore Ltd Ceiling is made of wooden beams and plates, being rendered monolithic by fixture devices
DE102004014765A1 (en) * 2004-03-26 2005-10-06 Veit Dennert Kg Industrially prefabricated floor plate has thin flat concrete slab resting on thick wooden beams running longitudinally and has fastening systems along long edges to fasten adjacent beams together
CN101553632A (en) * 2006-12-08 2009-10-07 尼尔斯·埃里克·内斯科 A plank structure and method of installation
CN201660990U (en) * 2010-03-12 2010-12-01 昆明理工大学 Reinforced concrete-wood combined floor slab
CN203487675U (en) * 2013-10-12 2014-03-19 南京工业大学 Assembled reinforced concrete-wood composite floor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016211636A1 (en) * 2016-06-28 2017-12-28 Veit Dennert Kg Baustoffbetriebe Building ceiling, in particular for wooden houses, and ceiling element therefor
CN106639091A (en) * 2017-02-28 2017-05-10 苏州昆仑绿建木结构科技股份有限公司 Laminated wood-concrete combined floor
CN107366360A (en) * 2017-07-31 2017-11-21 湖南大学 A kind of compound shear connector of steel pipe ultra-high performance concrete
CN107366360B (en) * 2017-07-31 2019-04-05 湖南大学 A kind of compound shear connector of steel pipe-ultra-high performance concrete
CN108505675A (en) * 2018-04-10 2018-09-07 上海市建筑科学研究院 A kind of novel combination type floor and its construction method
CN111549911A (en) * 2020-06-04 2020-08-18 郑州大学 Wood-concrete connection structure using sleeve and self-tapping screw

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Application publication date: 20140226