CN106836592A - Overlapped hollow floor system after partial precast assembled - Google Patents

Overlapped hollow floor system after partial precast assembled Download PDF

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Publication number
CN106836592A
CN106836592A CN201710122555.7A CN201710122555A CN106836592A CN 106836592 A CN106836592 A CN 106836592A CN 201710122555 A CN201710122555 A CN 201710122555A CN 106836592 A CN106836592 A CN 106836592A
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CN
China
Prior art keywords
cast
girt strip
flat board
raceway groove
grid
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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.)
Granted
Application number
CN201710122555.7A
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Chinese (zh)
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CN106836592B (en
Inventor
皮天祥
左睿直
皮绪华
梁恒
赵健新
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Chongqing University
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Chongqing University
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Priority to CN201710122555.7A priority Critical patent/CN106836592B/en
Publication of CN106836592A publication Critical patent/CN106836592A/en
Application granted granted Critical
Publication of CN106836592B publication Critical patent/CN106836592B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17Floor structures partly formed in situ
    • E04B5/23Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
    • E04B5/28Cross-ribbed floors

Abstract

The present invention discloses overlapped hollow floor system after a kind of partial precast assembled, including cast-in-situ floor base plate, cast-in-place girt strip expanded metals lattice and prefabricated flat board.First branch bed die and beam rib side form, prick base plate and girt strip reinforcing bar, then hollow building cover base plate and girt strip concrete are poured, construction joint is left to top board bottom, then the flat board corresponding with each hollow dimension that will be prefabricated into advance is lifted to girt strip top, the vertical muscle of stress being connected with dark beam is placed in each girt strip correspondence position again, finally pour each flat board beam on alternate frames position is secondary, maintenance is completed.The present invention cancels interior mold materials in hollow building cover, using secondary two kinds of novel hollow building cover structures for overlapping and pouring shaping during construction.The structural shape will can solve the foregoing whole issue of conventional hollow superstructure presence, while not increasing difficulty of construction also.

Description

Overlapped hollow floor system after partial precast assembled
Technical field
The present invention relates to assembled architecture field, particularly hollow building cover.
Background technology
Hollow building cover is because structure height is small, space stiffness big, the design cost more more economical than common rib-beam floor frame is big There is preferably applicable prospect in span garage, business, square and part large panel structure.
But existing hollow building cover needs to use internal model (full cast-in-place concrete), there is following asking during practice of construction Topic:
(1) the ununified specification standards of the interior mold materials of each hollow building cover internal model supplier offer, current hollow building cover Refinement can only be performed according to its unique material by internal model supplier, and internal model supplier generally by construction general contracting unit It is determined that, do not go out in construction drawing, general contracting unit of constructing it is undetermined in the case of, it is desirable to it is thin that internal model supplier carries out hollow building cover in advance It is unpractical to change design, and disorder has been occurred as soon as so in management program;
(2) internal model supplier carries out monopolization to respective internal model supply material, therefore internal model Master Cost is higher, also during implementation Pay general contracting unit a certain proportion of construction cooperation expense, significantly increase engineering cost;
(3) full cast-in-place concrete hollow building roof underplate concrete is difficult to pour closely knit, uniform, greatly influences engineering matter Amount;
(4) due to the engineering flat shape such as most of garage and irregular, the specification of interior mold materials limits hollow Hollow position is freely arranged in superstructure, causes many positions such as corner to make solid, causes engineering cost to increase more.
(5) full cast-in-place concrete hollow building roof situ wet operation is big, and the construction period is more long, and industrialization degree is relatively low.
The content of the invention
In being constructed present invention aim to address existing hollow building cover, a series of problems brought using internal model.Proposition takes Disappear interior mold materials in hollow building cover, using secondary two kinds of novel hollow building cover structures for overlapping and pouring shaping during construction.
The technical scheme used to realize the object of the invention is a kind of such, overlapped hollow after partial precast assembled Superstructure, it is characterised in that:Including cast-in-situ floor base plate, cast-in-place girt strip expanded metals lattice and prefabricated flat board.The cast-in-situ floor base plate and Cast-in-place girt strip expanded metals lattice one-time-concreting shaping.The cast-in-place girt strip expanded metals lattice are the crisscross lattice of cast-in-situ floor plate upper surface Sub- shape floor, each grid one piece of prefabricated flat board of correspondence.
The each piece of prefabricated flat board closes a upper end opening for grid.There is seam between adjacent prefabricated flat board Gap, these gaps form the preset slot raceway groove grid of crisscross clathrate.It is below the preset slot raceway groove grid The upper end of cast-in-place girt strip expanded metals lattice.In the prefabricated prefabricated flat board, it is necessary to reserved steel bar joint, these splices are positioned at institute In stating preset slot raceway groove grid.
The some lacing wires of configuration in the cast-in-place girt strip expanded metals lattice.The vertical muscle of laying stress in the preset slot raceway groove grid.This Beam/post/wall connecting around one end of a little vertical muscle of stress and preset slot raceway groove grid.Catch on cast-in-situ floor in the lacing wire lower end Reinforcing bar, upper end in base plate catch on the vertical muscle of stress.To carried out in the preset slot raceway groove grid it is secondary pour, after the completion of maintenance, That is the prefabricated assembled rear overlapped hollow floor system of forming part.
Further, the surrounding of the prefabricated flat board is domatic.
Further, when laying stress indulges muscle in preset slot raceway groove grid, each raceway groove of preset slot raceway groove grid Lay the vertical muscle of a stress in two ends.
Further, one end of each vertical muscle of stress is connected with the dark beam around preset slot raceway groove grid.
Further, it is dark beam and column body around the cast-in-place girt strip expanded metals lattice.The institute of cast-in-place girt strip expanded metals lattice surrounding configuration Prefabricated flat board is stated to be contacted with these dark beam and column bodies.
Further, in the cast-in-place girt strip expanded metals lattice, each piece lacing wire of crisscross point configuration.
The solution have the advantages that it is unquestionable, cancel interior mold materials in hollow building cover, using secondary folded during construction Conjunction pours two kinds of novel hollow building cover structures of shaping.The structural shape will can solve the foregoing whole of conventional hollow superstructure presence Problem, while not increasing difficulty of construction also.
Advantages of the present invention is as follows:
1) due to cancelling interior mold materials, engineering cost reduction.Garage, large span business can use such superstructure, overall Cost saving is big.
2) save the duration, prefabricated flat board can separately select field construction, lifting short time limit, expense simultaneously with the cast-in-place base plate of superstructure It is low.
3) the cast-in-place part of hollow building cover is identical with common rib-beam floor frame, easy construction, without setting internal model Anti-floating reinforcing steel bar etc., Superstructure base plate can pour closely knit, and construction quality is more easy to be guaranteed.
4) hollow body flexible arrangement, its position and size can freely be arranged according to the concrete condition of plane.In sketch plate area Domain, hollow rate is higher, and concrete material is more saved, and can give full play to the advantage of hollow building cover.
5) after method for designing is ripe, hollow building cover design is completed in the lump by building design units, reduces design management Link.
Brief description of the drawings
Fig. 1 is " part " prefabricated assembled rear overlapped hollow floor system;
Fig. 2 is the partial enlarged drawing of L portion in Fig. 1;
Fig. 3 is the A-A sectional views of Fig. 2.
In figure:Cast-in-situ floor base plate 1, cast-in-place girt strip expanded metals lattice 2, lacing wire 202, prefabricated flat board 3, preset slot raceway groove grid 4, Stress indulges muscle 401, grid 5, dark beam 6, post 7.
Specific embodiment
With reference to embodiment, the invention will be further described, but should not be construed above-mentioned subject area of the invention only It is limited to following embodiments.Without departing from the idea case in the present invention described above, according to ordinary skill knowledge and used With means, various replacements and change are made, all should included within the scope of the present invention.
Overlapped hollow floor system after a kind of partial precast assembled, it is characterised in that:Including cast-in-situ floor base plate 1, cast-in-place rib Beam slab grid 2 and prefabricated flat board 3.The cast-in-situ floor base plate 1 and the cast-in-place one-time-concreting of girt strip expanded metals lattice 2 are molded.Work progress For:Branch bed die and beam rib side form, bundle base plate and girt strip reinforcing bar, then pour base plate 1 and girt strip plate 2 first.The cast-in-place girt strip Expanded metals lattice 2 are the crisscross clathrate floor in the upper surface of cast-in-situ floor base plate 1, each grid 5 one piece of prefabricated flat board of correspondence 3。
Prefabricated flat board 3 is lifted into the top of cast-in-place girt strip expanded metals lattice 2 by the way of lifting.Each piece described prefabricated flat It is open that plate 3 closes a upper end for grid 5.There is gap, these gaps form crisscross between adjacent prefabricated flat board 3 Clathrate preset slot raceway groove grid 4.Preferably, the surrounding of the prefabricated flat board 3 is domatic so that preset slot raceway groove grid 4 cutting plane is inverted trapezoidal as Fig. 3.The lower section of the preset slot raceway groove grid 4 is the upper of cast-in-place girt strip expanded metals lattice 2 End.In the prefabricated prefabricated flat board 3, it is necessary to reserved steel bar joint, these splices are positioned at the preset slot raceway groove grid 4 In.
The some lacing wires 202 of configuration in the cast-in-place girt strip expanded metals lattice 2.Laying stress is indulged in the preset slot raceway groove grid 4 Muscle 401.Beam/post/wall connecting around one end of the vertical muscle 401 of these stress and preset slot raceway groove grid 4.The lacing wire 202 Catch on reinforcing bar in cast-in-situ floor base plate 1, upper end and catch on the vertical muscle 401 of stress in lower end.Preferably, the cast-in-place girt strip expanded metals lattice 2 In, each piece lacing wire 202 of crisscross point configuration.
(poured using the higher leveled pea gravel concreten of strength grade carrying out secondary pouring in the preset slot raceway groove grid 4 Build)), after the completion of maintenance, i.e. the prefabricated assembled rear overlapped hollow floor system of forming part.
Referring to Fig. 1, when laying stress indulges muscle 401 in preset slot raceway groove grid 4, each of preset slot raceway groove grid 4 Lay the vertical muscle 401 of a stress in the two ends of raceway groove.It is dark beam 6 and cylinder 7 around the cast-in-place girt strip expanded metals lattice 2.Each One end of the vertical muscle 401 of stress is connected with the dark beam around preset slot raceway groove grid 4.The institute of the cast-in-place surrounding of girt strip expanded metals lattice 2 configuration Prefabricated flat board 3 is stated to be contacted with these dark beam and column bodies.
Analyzed through engineering cost, overlapped hollow floor system cast-in-place sky more complete than traditional GBF after part assembled proposed by the present invention Heart superstructure construction cost per square meter is low, if the present invention can be widely used in the larger engineering of the spans such as garage, business, what it was saved takes With will be considerable.

Claims (6)

1. overlapped hollow floor system after a kind of partial precast assembled, it is characterised in that:Including cast-in-situ floor base plate (1), cast-in-place rib Beam slab grid (2) and prefabricated flat board (3);The cast-in-situ floor base plate (1) and cast-in-place girt strip expanded metals lattice (2) one-time-concreting are molded; The cast-in-place girt strip expanded metals lattice (2) are the crisscross clathrate floor in cast-in-situ floor base plate (1) upper surface, each grid (5) one piece of prefabricated flat board (3) of correspondence;
The each piece of prefabricated flat board (3) closes a upper end opening for grid (5);Have between adjacent prefabricated flat board (3) There is gap, these gaps form preset slot raceway groove grid (4) of crisscross clathrate;The preset slot raceway groove grid (4) Lower section be cast-in-place girt strip expanded metals lattice (2) upper end;At prefabricated prefabricated flat board (3), it is necessary to reserved steel bar joint, this A little splices are located in the preset slot raceway groove grid (4);
The some lacing wires (202) of configuration in the cast-in-place girt strip expanded metals lattice (2);Laying stress in the preset slot raceway groove grid (4) Vertical muscle (401);These stress indulge one end of muscle (401) and the beam/post/wall connecting of preset slot raceway groove grid (4) surrounding;It is described Catch on reinforcing bar in cast-in-situ floor base plate (1), upper end and catch on the vertical muscle (401) of stress in lacing wire (202) lower end;To the preset slot ditch Carry out in road grid (4) it is secondary pour, after the completion of maintenance, i.e. the prefabricated assembled rear overlapped hollow floor system of forming part.
2. overlapped hollow floor system after a kind of partial precast assembled according to claim 1, it is characterised in that:It is described prefabricated The surrounding of flat board (3) is domatic.
3. overlapped hollow floor system after a kind of partial precast assembled according to claim 1, it is characterised in that:In preset slot When laying stress indulges muscle (401) in raceway groove grid (4), the two ends of each raceway groove of preset slot raceway groove grid (4) lay one Root stress indulges muscle (401).
4. overlapped hollow floor system after a kind of partial precast assembled according to claim 1 or 3, it is characterised in that:It is each One end that root stress indulges muscle (401) is connected with the dark beam around preset slot raceway groove grid (4).
5. overlapped hollow floor system after a kind of partial precast assembled according to claim 1 or 4, it is characterised in that:It is described It is dark beam and column body around cast-in-place girt strip expanded metals lattice (2);The described prefabricated flat board (3) of cast-in-place girt strip expanded metals lattice (2) surrounding configuration Contacted with these dark beam and column bodies.
6. overlapped hollow floor system after a kind of partial precast assembled according to claim 1,2 or 4, it is characterised in that:Institute State in cast-in-place girt strip expanded metals lattice (2), each crisscross point configures a lacing wire (202).
CN201710122555.7A 2017-03-03 2017-03-03 Partially prefabricated assembled rear-superposed hollow floor Expired - Fee Related CN106836592B (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107338895A (en) * 2017-08-21 2017-11-10 深圳市道同创新科技开发有限公司 There are assembled hollow floor and its construction method of the girt strip with core
CN110778110A (en) * 2019-10-30 2020-02-11 中国建筑第八工程局有限公司 Post-pouring method for plugging plate at hollow-out structure of hyperboloid diagonal grid concrete member
CN113846750A (en) * 2021-09-26 2021-12-28 上海建工七建集团有限公司 Continuous hollow arch shell structure upper layer flat plate support-free pouring structure and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1032690A (en) * 1988-08-29 1989-05-03 和景义 Superposed hollow building roof and construction method thereof
FR2798685B1 (en) * 1999-09-17 2001-12-07 Promo Brevet Borg Sarl HOURDIS PREFABRICATED IN FIBROUS MATERIALS, SUCH AS FOR example WOOD CONCRETE, FOR THE PRODUCTION OF FLOORING
CN201531078U (en) * 2008-11-06 2010-07-21 郎佃富 Novel hollow floor with ribbed beams
CN101858119A (en) * 2010-06-23 2010-10-13 吴方伯 Reinforced concrete hollow floor slab and construction method
CN201771075U (en) * 2010-08-17 2011-03-23 吴方伯 Reinforced concrete hollow floorslab
CN202208984U (en) * 2011-08-09 2012-05-02 宁波大学 Lightweight composite floor system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1032690A (en) * 1988-08-29 1989-05-03 和景义 Superposed hollow building roof and construction method thereof
FR2798685B1 (en) * 1999-09-17 2001-12-07 Promo Brevet Borg Sarl HOURDIS PREFABRICATED IN FIBROUS MATERIALS, SUCH AS FOR example WOOD CONCRETE, FOR THE PRODUCTION OF FLOORING
CN201531078U (en) * 2008-11-06 2010-07-21 郎佃富 Novel hollow floor with ribbed beams
CN101858119A (en) * 2010-06-23 2010-10-13 吴方伯 Reinforced concrete hollow floor slab and construction method
CN201771075U (en) * 2010-08-17 2011-03-23 吴方伯 Reinforced concrete hollow floorslab
CN202208984U (en) * 2011-08-09 2012-05-02 宁波大学 Lightweight composite floor system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107338895A (en) * 2017-08-21 2017-11-10 深圳市道同创新科技开发有限公司 There are assembled hollow floor and its construction method of the girt strip with core
CN110778110A (en) * 2019-10-30 2020-02-11 中国建筑第八工程局有限公司 Post-pouring method for plugging plate at hollow-out structure of hyperboloid diagonal grid concrete member
CN113846750A (en) * 2021-09-26 2021-12-28 上海建工七建集团有限公司 Continuous hollow arch shell structure upper layer flat plate support-free pouring structure and method

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