CN104314213B - A kind of hollow groined slab floor of large span assembled - Google Patents

A kind of hollow groined slab floor of large span assembled Download PDF

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Publication number
CN104314213B
CN104314213B CN201410626281.1A CN201410626281A CN104314213B CN 104314213 B CN104314213 B CN 104314213B CN 201410626281 A CN201410626281 A CN 201410626281A CN 104314213 B CN104314213 B CN 104314213B
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floor
base plate
top board
assembled
floor slab
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CN104314213A (en
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陈忠范
崔文潇
杨维
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Southeast University
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Southeast University
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Abstract

The invention discloses a kind of novel hollow groined slab floor of large span assembled, several piece the precast floor slab that can mutually splice and the late poured band between contiguous prefabricated floor form;Each precast floor slab includes top board, base plate and the longitudinal girt strip being arranged between top board and base plate and horizontal girt strip;Described top board and base plate are the surface plate being parallel to each other.The present invention efficiently solves the tradition problem that assembled integral floor span is little, poor rigidity, concrete amount are many;Each precast floor slab junction amount of concrete is few, and template consumption is few, and precast floor slab form is few, and easy construction is economical and practical;The integral cover that each precast floor slab is assembled into is hollow well word version, has the benefits such as two-way power transmission, rigidity is big, shock resistance good, it is little to conduct oneself with dignity, thickness is little;Superstructure hollow position filling light thermal insulation material, adds the heat insulating ability of superstructure;Superstructure can wear pipeline, it is not necessary to separately set mechanical floor, save space, increase floor clear height.

Description

A kind of hollow groined slab floor of large span assembled
Technical field
The invention belongs to building field, especially a kind of hollow groined slab floor of large span assembled.
Background technology
Building floor is the horizontal direction structural bearing component that a class is important, and all kinds of loads that will act on flooring pass to Each vertical load-carrying members are also connected into an entirety by the vertical supporting member such as beam, wall, post simultaneously.
The most common floor is based on concrete floor, including cast-in-place concrete floor, assembly concrete floor and dress Join monoblock type floor.
Cast-in-place concrete floor is complete situ wet operation, and task difficulty is big, and workload is many, simultaneously need to a large amount of template week Turning, cost is high, and construction quality depends primarily on field worker technical ability and field management.If one-time-concreting large area building Plate, needs to overcome road surface crocking problem.
It is attached with beam, wall etc. at the scene after assembly concrete floor is the most prefabricated, the most dry on-the-spot operation, And the duration is short, but the most firmly connecting between component, joint behavior is poor, and overall performance is poor.
More and more assembled integral floors used combine cast-in-situ floor good integrity and field operation is simple, warp The advantage of Ji.But, existing assembled integral floor span is little, it is impossible to meet the demand of large bay.Floor underbeam chi Very little room effect is poor greatly, needs owner's later stage furred ceiling to fit up.Floor mostly is solid simultaneously, from great, needs individually to set Install standby sheaf space, affect interior net storey height.
Summary of the invention
Goal of the invention: provide a kind of hollow groined slab floor of large span assembled, to solve the problems referred to above of prior art.
Technical scheme: a kind of hollow groined slab floor of large span assembled, several piece the precast floor slab that can mutually splice and being positioned at Late poured band composition between contiguous prefabricated floor;Each precast floor slab includes top board, base plate and is arranged on top board And the longitudinal girt strip between base plate and horizontal girt strip;Described top board and base plate are the surface plate being parallel to each other.
In a further embodiment, configuring bidirectional stress reinforcing bar in described top board and base plate, in described girt strip, configuration is longitudinally Reinforcing bar and stirrup.Reinforcing bar stretches out, and its extension elongation meets the requirement of bar connecting length.Described top board and base plate Between there is accommodation space, be wherein filled with sound-insulating material.Described precast floor slab is concreting, and its plate end Side is crude.The duct for placing pipe-line equipment it is preset with in described precast floor slab.Every piece of floor surrounding is all carried out Assembling, in the integral cover being assembled to form, longitudinal rib beam, the gap ratio of gate beam are 1.
Beneficial effect: the invention have the advantages that floor slab bottoms is smooth, can exempt finishing furred ceiling, increases interior net storey height, Separate with being easy to the planning interior space.Girt strip pours with upper and lower plates and is integrated, floor good integrity, it is to avoid infiltration etc. is asked Topic;Efficiently solve the tradition problem that assembled integral floor span is little, poor rigidity, concrete amount are many;Each prefabricated building Plate junction amount of concrete is few, and template consumption is few, and precast floor slab form is few, and easy construction is economical and practical;Each prefabricated The integral cover that floor is assembled into is hollow well word version, have two-way power transmission, rigidity is big, shock resistance good, deadweight The benefits such as little, thickness is little;Superstructure hollow position filling light thermal insulation material, adds the heat insulating ability of superstructure;Superstructure can be worn If pipeline, it is not necessary to separately set mechanical floor, save space, increase floor clear height.
Accompanying drawing explanation
Fig. 1 is monolithic precast floor slab schematic diagram in the present invention.
Fig. 2 is the overall schematic of the present invention.
Fig. 3 is the connection diagram of precast floor slab in this practicality superstructure.
Detailed description of the invention
As depicted in figs. 1 and 2, the large span hollow self-heat conserving superstructure of the present invention, increase on the basis of tradition groined slab floor Reinforced concrete floor, hollow floor structure smooth bottom formation.Mixed by the most two-way by some blocks of precast floor slabs Solidifying soil delay-pour joint band splicing assembling, monolithic floor has integral prefabricated top board, base plate and centre vertically and horizontally girt strip, floor Surrounding stretches out reserved steel bar.
If precast floor slab includes that top board 1, base plate 2 and dry-well word intersect girt strip 3, and heat preservation and soundproof implant 4;Top board 1 and base plate 2 be arranged in parallel in the horizontal direction, girt strip 3 is positioned in the middle of top board 1 and base plate 2, horizontal both direction with Being spaced substantially equidistant, heat preservation and soundproof implant 4 is arranged between girt strip 3, and fills up the space between girt strip 3.
The top board 1 of monolithic precast floor slab, base plate 2 and girt strip 3 are prepared by the disposable integral cast-in-situ of armored concrete is integral.
As it is shown in figure 1, be provided with two-way horizontal reinforcing bar along direction in length and breadth in the top board 1 of monolithic floor and base plate 2, and reinforcing bar stretches out Floor surrounding, forms reserved steel bar, connects and floor connects phase with other components and overlaps mutually between floor, and with existing Pouring concrete mode is assembled.
Being provided with vertical muscle and stirrup in the girt strip 3 of floor, vertical muscle stretches out outside floor, forms reserved steel bar, connects between floor And floor and other components are welded to each other when connecting, and connect band assembling by cast-in-place concrete;Direction in length and breadth in floor The ratio of girt strip spacing is preferably 1, and no more than 2.The side of precast floor slab is crude, for strengthening and the company of cast-in-place concrete Connect.Floor can reserving hole channel, it is simple to place pipe-line equipment.
Forming as it is shown on figure 3, superstructure of the present invention is connected band by polylith precast floor slab and cast-in-place concrete, construction technology is: put On-the-spot assembling reinforcement 8 company of pouring of template support fixing with the hoisting prefabricated floor of support placed by line Tape splicing concrete 9.The reserved steel bar 5 that precast floor slab closure is stretched out by the junction between each floor connects, and puts Put the stirrup of girt strip, the bed die of supporting base plate 2, place insulation filling materials 10, as top board 1 and the template of base plate 2, water Build concrete.In one Project case, related data is: integral cover span: 10m, thickness 350mm;Monolithic building Plate: long 4600mm, wide 2950mm, top board thickness 80mm, base plate thickness 60mm;Girt strip: wide 250mm, high 350mm, Spacing 2000mm.
In a word, the hollow groined slab floor of large span assembled of the present invention, use vertical, horizontal late poured band to connect hollow Precast floor slab forms long-span floor system.It is applicable to various large span house, PCSI house and requires below plate the house without beam. The present invention has the bidirectional stress large-span concrete cassette ceiling of well word girt strip, can solve assembled integral floor span The problems such as little, poor rigidity, insulation difference, and situ wet operation can be reduced, accelerate the duration, save construction costs.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned embodiment Detail, in the technology concept of the present invention, can carry out multiple equivalents to technical scheme, These equivalents belong to protection scope of the present invention.It is further to note that in above-mentioned detailed description of the invention institute Each the concrete technical characteristic described, in the case of reconcilable, can be combined by any suitable means.For Avoiding unnecessary repetition, various possible compound modes illustrate by the present invention the most separately.Additionally, the present invention's is each Planting and can also carry out combination in any between different embodiments, as long as it is without prejudice to the thought of the present invention, it equally should It is considered as content disclosed in this invention.

Claims (1)

1. the hollow groined slab floor of large span assembled, it is characterised in that the precast floor slab that can mutually be spliced by several piece and the late poured band between contiguous prefabricated floor form;Each precast floor slab includes top board (1), base plate (2) and the longitudinal girt strip being arranged between top board and base plate and horizontal girt strip (3);Described top board and base plate are the surface plate being parallel to each other;
Described top board and base plate configure bidirectional stress reinforcing bar (5), girt strip configures longitudinal reinforcement and stirrup;
Reinforcing bar stretches out, and its extension elongation meets the requirement of bar connecting length;
There is between described top board and base plate accommodation space (4), be wherein filled with sound-insulating material;
Described precast floor slab is concreting, and its plate end side surface is crude;
The duct for placing pipe-line equipment it is preset with in described precast floor slab;Every piece of floor surrounding is all assembled, and in the integral cover being assembled to form, longitudinal rib beam, the gap ratio of gate beam are 1.
CN201410626281.1A 2014-11-07 2014-11-07 A kind of hollow groined slab floor of large span assembled Active CN104314213B (en)

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CN104314213A CN104314213A (en) 2015-01-28
CN104314213B true CN104314213B (en) 2016-08-17

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Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105442737B (en) * 2015-12-21 2017-07-14 河北安能绿色建筑科技有限公司 A kind of complex heat-preservation floorboard and its construction method
CN105839822A (en) * 2016-05-06 2016-08-10 湖南标迪夫节能科技有限公司 Assembly type prefabricated part for cavity floor system
CN106567487A (en) * 2016-09-30 2017-04-19 长沙远大住宅工业集团股份有限公司 Fabricated concrete hollow floor structural system
CN106592842B (en) * 2016-11-28 2021-08-17 张领然 Assembled large light floor slab and its production and construction process and bearing fixture
CN107190895A (en) * 2017-05-31 2017-09-22 施晓微 A kind of compound precast floor slab and preparation method thereof
CN107893496A (en) * 2017-07-10 2018-04-10 华东建筑设计研究院有限公司 A kind of assembly concrete integrated floor and its manufacture method
CN107882233A (en) * 2017-12-11 2018-04-06 刘祥锦 A kind of unit floor of assembled flatslab construction
CN109208801B (en) * 2018-09-21 2024-05-17 淮安市扬子钢结构工程有限公司 Self-protection Wen Lougai for assembled cross beam
CN115653173A (en) * 2022-10-25 2023-01-31 四川大学 Take precast concrete heat preservation composite floor that GFRP strengthened

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050079301A (en) * 2004-02-05 2005-08-10 (주)씨.에스 구조 엔지니어링 Precast concrete slab panel with lateral load resistancy and slab structure using the same
CN2895580Y (en) * 2006-04-26 2007-05-02 吴方伯 Steel-reinforced-concrete spliced floorslab
CN101280592A (en) * 2007-04-03 2008-10-08 邱则有 Cast-in-situ rib laminated floor slab
CN201424725Y (en) * 2009-04-24 2010-03-17 湖南高岭建设集团股份有限公司 Rib steel reinforcement concrete prefabricated part plate

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050079301A (en) * 2004-02-05 2005-08-10 (주)씨.에스 구조 엔지니어링 Precast concrete slab panel with lateral load resistancy and slab structure using the same
CN2895580Y (en) * 2006-04-26 2007-05-02 吴方伯 Steel-reinforced-concrete spliced floorslab
CN101280592A (en) * 2007-04-03 2008-10-08 邱则有 Cast-in-situ rib laminated floor slab
CN201424725Y (en) * 2009-04-24 2010-03-17 湖南高岭建设集团股份有限公司 Rib steel reinforcement concrete prefabricated part plate

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