CN201512886U - Cast-in-place concrete girderless hollow floorslab - Google Patents
Cast-in-place concrete girderless hollow floorslab Download PDFInfo
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- CN201512886U CN201512886U CN2009202032514U CN200920203251U CN201512886U CN 201512886 U CN201512886 U CN 201512886U CN 2009202032514 U CN2009202032514 U CN 2009202032514U CN 200920203251 U CN200920203251 U CN 200920203251U CN 201512886 U CN201512886 U CN 201512886U
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Abstract
The utility model relates to a floorslab, in particular to a cast-in-place concrete girderless hollow floorslab. High-tensile composite thin-wall hollow pipe is pre-embedded according to designed space; frame beams are arranged between pillars as well as between the pillar and a shearing wall; a concrete slab enclosed by the frame beams is internally filled with the high-tensile thin-wall pipe; and pipe preformed holes and box preformed holes are distributed among ribs of the high-tensile thin-wall pipe or dark beam positions. In the utility model, the pre-embedded core-filling materials adopt the high-tensile thin-wall pipe, and the positions of the preformed holes are reasonable, so that the floorslab not only meets the needs of pipeline distribution, but also leads the hollow floorslab to be strong on whole, and is characterized by high strength, good shock-resistance performance, low water absorption rate, excellent flame-retardant performance and water tightness, light weight and thin wall, high softening coefficient, convenient installation and construction, low cost and the like; and the product has the characteristics of light self weight, reduced story height, material saving, low comprehensive manufacture cost, large rigidity, good shock-resistance performance, and the like.
Description
One, technical field:
The utility model relates to building field, particularly cassette ceiling.
Two, background technology:
In China's mushroom construction system is the building structure new technology that just grows up recent years, is classified as torch plan by country, and the Ministry of Construction classifies emphasis scientific achievement promotion project as.This technology is promoted the use of in more than ten provinces and cities in the whole nation at present.Pre-buried high-strength thin-wall pipe cast-in-place concrete hollow floor slab, broken traditional tactic pattern, concentrate building stressed beam to become stressed " worker " word structural system of countless dispersion space, make the mechanical property of superstructure more reasonable, compare with traditional solid construction floor, it is easy to have construction economy, heat insulation, sound insulation, heat-insulating property, advantage such as anti-seismic performance is good, comprehensive cost is low, use also extensive, but it still exists some problems that have much room for improvement, as design of node, the appropriate design of reserving hole etc.
Three, summary of the invention:
The purpose of this utility model is to overcome above-mentioned not enough problem, provide a kind of cast-in-situ concrete not have the beam cassette ceiling, rational in infrastructure, intensity height, anti-seismic performance be good, save material, comprehensive cost is low, of many uses, is specially adapted to the multilayer and the highrise building of large span, big load, large space.
The technical scheme that the utility model is adopted for achieving the above object is: cast-in-situ concrete does not have the beam cassette ceiling, by the pre-buried high-strength compound thin-wall hollow pipe of design pitch, between post and post, post and shear wall Vierendeel girder is set, fill high-strength thin-wall pipe in the concrete slab that Vierendeel girder surrounds, pipe, box reserving hole are arranged in high-strength thin-wall pipe intercostal or dark beam position.
Described Vierendeel girder adopts dark beam, and dark depth of beam is identical with hollowcore slab thickness, and dark beam adopts flat beam, and dark beam is arranged on several i-shaped beamses of the direction parallel with high-strength thin-wall pipe.
Place bottom steel bar stress, dark beam steel, top reinforcement and intercostal net sheet welded reinforcement in the described cassette ceiling, the bottom and the colligation of bottom steel bar stress of intercostal net sheet welded reinforcement are fixed, and the top and the top reinforcement colligation of intercostal net sheet welded reinforcement are fixed.
The pre-pipe laying that intersects with high-strength thin-wall pipe is set in the described cassette ceiling, and pre-pipe laying crosspoint is positioned at high-strength thin-wall pipe intercostal position.
Described high-strength thin-wall pipe and hithermost beam, wall reinforcing bar clear spacing are 50～70mm, the clear distance 〉=50mm of high-strength thin-wall pipe and reserving hole.
Colligation anti-floating reinforcing bar on the described high-strength thin-wall pipe, anti-floating reinforcing bar are fixed on 1/4 length place of high-strength thin-wall pipe.
The pre-buried core material of filling out of the utility model adopts the high-strength compound light-wall pipe, the reserving hole position is reasonable, not only satisfy and arrange the pipeline needs, and make that the cassette ceiling globality is strong, have the intensity height, anti-seismic performance is good, water absorption rate is low, fire-retardant, characteristics such as watertightness is good, light mass and thin wall, coefficient of softening height, installation convenient, lower-price characteristic, and product has from heavy and light, reduces floor height, saves material, comprehensive cost is low, rigidity is big, anti-seismic performance is good.
The utility model floor makes the space openr attractive in appearance, use convenient, with prestressing without bondn arch without beam, solid girderless floor relatively, no cap, do not have the position of protrusion: hole-opening makes things convenient for, and nailing, electric hammer punching are hung unaffected; Fireproof performance is good, can not lose stress because of fire and cause structural deterioration.Anti-seismic performance is good.Engineering cost reduces greatly.Save decoration cost: this kind floor is smooth fully, need not furred ceiling, and simultaneously, floor height has reduced, and has also just reduced decoration costs such as vertical elevator, interior exterior wall, the more important thing is recurrent costs such as having reduced the furred ceiling renewal.Real flexible interval, implementation space, what make compartment wall really is arranged as possibility arbitrarily.Because body of wall can move arbitrarily, it is particularly suitable that office building, public place of entertainment, exhibition hall etc. are needed to change public building at interval at any time.On the other hand, when this technology is applied to housing construction, in whole plane figure, except kitchen, lavatory owing to walk to manage requirement, outside can not moving arbitrarily, developer can order the dwelling house of producing different area, the different standard widths of a room in an old-style house according to different degree of the requirement body of owner, and the owner also can carry out personalized designs arbitrarily indoors fully, and need not structurally to change.Soundproof effect is good, and the enclosed cavity technology of superstructure has significantly reduced the transmission of noise, and the superstructure soundproof effect improves the 5-12 decibel, solved noise problem such as library, teaching building, dwelling house, hospital, sanatorium.Heat insulation, heat-insulating property significantly improves: the enclosed cavity structure decrease transmission of heat, heat insulation, heat-insulating property is significantly improved, greatly reduce the sky expense of withering, and to large cold storage, storing storehouse etc., this kind benefit is especially obvious.
Therefore, the utility model is applicable to the building of various spans and various loads, be specially adapted to: the multilayer and the highrise building of 1 large span and big load, large space, as: big-and-middle-sized public type public building such as commercial building, office building, library, exhibition hall, teaching building, station, multistorey parking space and industrial premises, warehouse.
2 need flexibly at interval or often change the building of use, as: hotel, public place of entertainment, dwelling house, apartment etc.
3 adopt the building of centralized air-conditioning.
4 have the building of special sound insulation, warming requirement.
Four, description of drawings:
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model structural representation (a band anti-floating reinforcing bar).
Five, the specific embodiment:
As Fig. 1, cast-in-situ concrete shown in 2 does not have the beam cassette ceiling, by the pre-buried high-strength compound thin-wall hollow pipe of design pitch, post 6 and post, between post and shear wall Vierendeel girder is set, Vierendeel girder adopts dark beam, dark depth of beam is identical with hollowcore slab thickness, dark beam adopts flat beam, dark beam is arranged on several i-shaped beamses of the direction parallel with high-strength thin-wall pipe, fill high-strength thin-wall pipe 2 in the concrete slab that Vierendeel girder surrounds, pipe, the reserving hole 4 of box is arranged in high-strength thin-wall pipe intercostal or dark beam position, high-strength thin-wall pipe and hithermost beam, wall reinforcing bar clear spacing is 50～70mm, the clear distance 〉=50mm of high-strength thin-wall pipe and reserving hole.Place bottom steel bar stress 5, dark beam steel, top reinforcement 3 and intercostal net sheet welded reinforcement 1 in the cassette ceiling, the bottom and 5 colligations of bottom steel bar stress of intercostal net sheet welded reinforcement 1 are fixed, and the top and top reinforcement 3 colligations of intercostal net sheet welded reinforcement 1 are fixed.
The pre-pipe laying that intersects with high-strength thin-wall pipe also can be set in the cassette ceiling, and pre-pipe laying crosspoint is positioned at high-strength thin-wall pipe intercostal position.Colligation anti-floating reinforcing bar 7 on the high-strength thin-wall pipe 2, anti-floating reinforcing bar are fixed on 1/4 length place of high-strength thin-wall pipe, but the anti-floating reinforcing bar is different and the colligation of bottom steel bar stress, avoids the bottom steel bar stress being taken up the deviation that causes the position because of buoyancy.
Claims (6)
1. cast-in-situ concrete does not have the beam cassette ceiling, by the pre-buried high-strength compound thin-wall hollow pipe of design pitch, between post and post, post and shear wall Vierendeel girder is set, it is characterized in that: fill high-strength thin-wall pipe in the concrete slab that Vierendeel girder surrounds, pipe, box reserving hole are arranged in high-strength thin-wall pipe intercostal or dark beam position.
2. cast-in-situ concrete according to claim 1 does not have the beam cassette ceiling, it is characterized in that: Vierendeel girder adopts dark beam, and dark depth of beam is identical with hollowcore slab thickness, and dark beam adopts flat beam, and dark beam is arranged on several i-shaped beamses of the direction parallel with high-strength thin-wall pipe.
3. cast-in-situ concrete according to claim 1 does not have the beam cassette ceiling, it is characterized in that: place bottom steel bar stress, dark beam steel, top reinforcement and intercostal net sheet welded reinforcement in the cassette ceiling, the bottom and the colligation of bottom steel bar stress of intercostal net sheet welded reinforcement are fixed, and the top and the top reinforcement colligation of intercostal net sheet welded reinforcement are fixed.
4. arbitrary described cast-in-situ concrete does not have the beam cassette ceiling according to claim 1-3, it is characterized in that: the pre-pipe laying that intersects with high-strength thin-wall pipe is set in the cassette ceiling, and pre-pipe laying crosspoint is positioned at high-strength thin-wall pipe intercostal position.
5. arbitrary described cast-in-situ concrete does not have the beam cassette ceiling according to claim 1-3, it is characterized in that: high-strength thin-wall pipe and hithermost beam, wall reinforcing bar clear spacing are 50～70mm, the clear distance 〉=50mm of high-strength thin-wall pipe and reserving hole.
6. arbitrary described cast-in-situ concrete does not have the beam cassette ceiling according to claim 1-3, it is characterized in that: colligation anti-floating reinforcing bar on the high-strength thin-wall pipe, anti-floating reinforcing bar are fixed on 1/4 length place of high-strength thin-wall pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202032514U CN201512886U (en) | 2009-09-11 | 2009-09-11 | Cast-in-place concrete girderless hollow floorslab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202032514U CN201512886U (en) | 2009-09-11 | 2009-09-11 | Cast-in-place concrete girderless hollow floorslab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201512886U true CN201512886U (en) | 2010-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202032514U Expired - Fee Related CN201512886U (en) | 2009-09-11 | 2009-09-11 | Cast-in-place concrete girderless hollow floorslab |
Country Status (1)
| Country | Link |
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| CN (1) | CN201512886U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797375A (en) * | 2012-07-09 | 2012-11-28 | 王生刚 | Beam-free multi-layer garage |
| CN103216131A (en) * | 2013-04-20 | 2013-07-24 | 上海市政工程设计研究总院（集团）有限公司 | Reserved hole pore-forming construction method for concrete structure |
| CN103669569A (en) * | 2013-12-10 | 2014-03-26 | 南京工业大学 | Combination hidden beam of pre-buried profile steel |
| CN105863107A (en) * | 2016-04-05 | 2016-08-17 | 天津城建大学 | Sandwich-pipe low-yield-point steel plate shear wall and manufacturing method |
| CN106948475A (en) * | 2017-05-08 | 2017-07-14 | 湖南大学 | A kind of ultra-high performance concrete frame structure assembled architecture and its construction method |
| CN111502117A (en) * | 2020-04-07 | 2020-08-07 | 中国建筑第八工程局有限公司 | Large-section row reserved hole building structure on prestressed structural beam and construction method |
-
2009
- 2009-09-11 CN CN2009202032514U patent/CN201512886U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797375A (en) * | 2012-07-09 | 2012-11-28 | 王生刚 | Beam-free multi-layer garage |
| CN103216131A (en) * | 2013-04-20 | 2013-07-24 | 上海市政工程设计研究总院（集团）有限公司 | Reserved hole pore-forming construction method for concrete structure |
| CN103216131B (en) * | 2013-04-20 | 2015-09-16 | 上海市政工程设计研究总院（集团）有限公司 | A kind of reserving hole drilling construction method for concrete structure |
| CN103669569A (en) * | 2013-12-10 | 2014-03-26 | 南京工业大学 | Combination hidden beam of pre-buried profile steel |
| CN103669569B (en) * | 2013-12-10 | 2016-01-20 | 南京工业大学 | A kind of dark beam of combination of pre-buried shaped steel |
| CN105863107A (en) * | 2016-04-05 | 2016-08-17 | 天津城建大学 | Sandwich-pipe low-yield-point steel plate shear wall and manufacturing method |
| CN106948475A (en) * | 2017-05-08 | 2017-07-14 | 湖南大学 | A kind of ultra-high performance concrete frame structure assembled architecture and its construction method |
| CN111502117A (en) * | 2020-04-07 | 2020-08-07 | 中国建筑第八工程局有限公司 | Large-section row reserved hole building structure on prestressed structural beam and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20150911 |
|
| EXPY | Termination of patent right or utility model |