CN105386553A - Cast-in-place hollow floor structure based on GFM (Gel Filtration Medium) inflatable inner molds and construction method - Google Patents
Cast-in-place hollow floor structure based on GFM (Gel Filtration Medium) inflatable inner molds and construction method Download PDFInfo
- Publication number
- CN105386553A CN105386553A CN201510920853.1A CN201510920853A CN105386553A CN 105386553 A CN105386553 A CN 105386553A CN 201510920853 A CN201510920853 A CN 201510920853A CN 105386553 A CN105386553 A CN 105386553A
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- China
- Prior art keywords
- inflatable inner
- inner mould
- gfm
- cast
- hollow floor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
- E04B5/26—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated with filling members between the beams
- E04B5/261—Monolithic filling members
- E04B5/265—Monolithic filling members with one or more hollow cores
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2103/00—Material constitution of slabs, sheets or the like
- E04B2103/02—Material constitution of slabs, sheets or the like of ceramics, concrete or other stone-like material
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a cast-in-place hollow floor structure based on GFM (Gel Filtration Medium) inflatable inner molds. The cast-in-place hollow floor structure comprises a plurality of ribbed beam units, wherein the plurality of ribbed beam units are combined and arranged in parallel, the plurality of ribbed beam units comprise a plurality of end-to-end ribbed beams which are combined into a square, the inflatable inner molds are arranged in inner cavities of the plurality of ribbed beam units, the bottom ends of the inflatable inner molds are fixed by a plurality of anti-floating columns which are embedded into steel reinforced base plates of the plurality of ribbed beam units, and additionally, a plurality of cushion blocks are fixed between the inflatable inner molds and the steel reinforced base plates. The cast-in-place hollow floor structure has the beneficial effects that the construction quality of a structure entity is guaranteed, the earthquake action is reduced, and the earthquake resistant performance of the structure is guaranteed; during construction, the GFM inner molds can be inflated, so that the cast-in-place hollow floor structure can be used and installed at any time, the time is saved, the handling is quick and convenient, the construction efficiency is improved, the concrete construction consumption is reduced, the construction cost is reduced, the construction quality is guaranteed, the problem of large dead weight under construction is solved, and additionally, the headroom of the structure is increased.
Description
Technical field
The present invention relates to floor slab structure, specifically, relate to a kind of cast-in-situ hollow floor plate structure based on GFM inflatable inner mould and construction method.
Background technology
Along with the development of China's building trade; country is strict all the more to the requirement of building materials quality; and encourage enterprise in charge of construction to be applied in building trade by Four-New technology, object is raising construction quality, saves construction material, is beneficial to environmental protection, ensures construction benefit.
Current traditional handicraft reinforced concrete floor well can not reduce the deadweight of structure, simultaneously can not good conserve space, by to the further investigation of traditional handicraft and engineering practice, easily there is following problem in it: in traditional construction, reinforced concrete structure deadweight is larger in work progress, difficulty of construction is large, in construction concreting process, difficult quality controls simultaneously, and anti-seismic performance is not fine; In work progress, there is lower reversed beam, like this for the structure of identical floor height, structure headroom can be caused to reduce, decrease usage space in traditional construction technique; Traditional construction technique is in work progress, and working procedure can not cross-operation, causes the construction period longer, obviously affects construction speed.
For the problem in correlation technique, at present effective solution is not yet proposed.
Summary of the invention
For the above-mentioned technical problem in correlation technique, the present invention proposes a kind of cast-in-situ hollow floor plate structure based on GFM inflatable inner mould and construction method.
For realizing above-mentioned technical purpose, technical scheme of the present invention is achieved in that
A kind of cast-in-situ hollow floor plate structure based on GFM inflatable inner mould, comprise the girt strip unit of some parallel assembled arrangement, the bottom surface of some girt strip unit is banded with baseplate reinforcing bar and is fixed by this baseplate reinforcing bar, wherein, girt strip unit comprises the girt strip that some end to end combinations are square, in the inner chamber of girt strip unit, inflatable inner mould is set, described inflatable inner mould bottom is fixed by some anti-floating posts be embedded on baseplate reinforcing bar, meanwhile, some cushion blocks are also fixed with between described inflatable inner mould and described baseplate reinforcing bar.
Further, described inflatable inner mould is GFM inflatable inner mould.
Further, described anti-floating post top is divided into cylinder, and the Rotary-table that lower part is formed in one.
Further, the Rotary-table of described anti-floating post is embedded in baseplate reinforcing bar inside, and perpendicular to this baseplate reinforcing bar.
Preferably, the quantity of described anti-floating post is six, and is evenly arranged on baseplate reinforcing bar with two row arrangements.
Preferably, the quantity of described cushion block is four, and four cushion blocks are corner arrangement.
Based on a construction method for the cast-in-situ hollow floor plate structure of GFM inflatable inner mould, comprise the steps:
Step one, first fixes girt strip unit at some girt strip unit bottom surface colligation baseplate reinforcing bars, installs cushion block uniformly, meanwhile, be mounted on cushion block by described inflation inner membrance after baseplate reinforcing bar fixes on baseplate reinforcing bar;
Step 2, when after the installation of inflation inner membrance, utilizes the iron wire pre-set to be fixed by this inflatable inner mould, prevents from producing rising phenomenon during concreting;
Step 3, in the roof steel bar that the upper strata colligation of girt strip unit pre-sets after inflatable inner mould fixedly completes, after roof steel bar colligation completes, upper iron reinforcing bar is also installed the cushion block of fixing inflatable inner mould, prevents GFM inflatable inner mould in work progress from moving;
Step 4, on said structure, carry out concreting after the good roof steel bar of colligation, placement layer by layer is answered in concreting, guarantees that concrete vibrating is closely knit, produces without honeycomb doghole phenomenon;
Further, in step 4, the mode of concreting adopts the method for placement layer by layer.
Beneficial effect of the present invention: the present invention alleviates again the effect of earthquake while ensure that the construction quality of structural solid, ensure that the anti-seismic performance of structure, because GFM inflatable inner mould can be inflated in work progress, use installation at any time, save time, carrying is very fast more convenient, improves efficiency of construction, has saved concrete construction consumption, reduce construction cost, ensure that construction quality, solve the problem that dead load in construction is excessive, also solve the headroom problem improving structure simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the top view of the cast-in-situ hollow floor plate structure based on GFM inflatable inner mould according to the embodiment of the present invention;
Fig. 2 is the longitudinal sectional drawing of the cast-in-situ hollow floor plate structure based on GFM inflatable inner mould according to the embodiment of the present invention;
Fig. 3 is the transverse cross-sectional view of the cast-in-situ hollow floor plate structure based on GFM inflatable inner mould according to the embodiment of the present invention.
In figure:
1, baseplate reinforcing bar; 2, girt strip; 3, inflatable inner mould; 4, anti-floating post; 5, cushion block.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of protection of the invention.
As Figure 1-3, a kind of cast-in-situ hollow floor plate structure based on GFM inflatable inner mould according to the embodiment of the present invention, comprise the girt strip unit of some parallel assembled arrangement, the bottom surface of some girt strip unit is banded with baseplate reinforcing bar 1 and is fixed by this baseplate reinforcing bar 1, wherein, girt strip unit comprises the girt strip 2 that some end to end combinations are square, inflatable inner mould 3 is set in the inner chamber of girt strip unit, described inflatable inner mould 3 bottom is fixed by some anti-floating posts 4 be embedded on baseplate reinforcing bar 1, simultaneously, some cushion blocks 5 are also fixed with between described inflatable inner mould 3 and described baseplate reinforcing bar 1.
Further, described inflatable inner mould 3 is GFM inflatable inner mould.
Further, described anti-floating post 4 top is divided into cylinder, and the Rotary-table that lower part is formed in one.
Further, the Rotary-table of described anti-floating post 4 is embedded in baseplate reinforcing bar 1 inside, and perpendicular to this baseplate reinforcing bar 1.
Preferably, the quantity of described anti-floating post 4 is six, and is evenly arranged on baseplate reinforcing bar 1 with two row arrangements.
Preferably, the quantity of described cushion block 5 is four, and four cushion block 5 arrangements in corner.
Based on a construction method for the cast-in-situ hollow floor plate structure of GFM inflatable inner mould, comprise the steps:
Step one, first fixes girt strip unit at some girt strip unit bottom surface colligation baseplate reinforcing bars, installs cushion block uniformly, meanwhile, be mounted on cushion block by described inflation inner membrance after baseplate reinforcing bar fixes on baseplate reinforcing bar;
Step 2, when after the installation of inflation inner membrance, utilizes the iron wire pre-set to be fixed by this inflatable inner mould, prevents from producing rising phenomenon during concreting;
Step 3, in the roof steel bar that the upper strata colligation of girt strip unit pre-sets after inflatable inner mould fixedly completes, after roof steel bar colligation completes, upper iron reinforcing bar is also installed the cushion block of fixing inflatable inner mould, prevents GFM inflatable inner mould in work progress from moving;
Step 4, carries out concreting after the good roof steel bar of colligation on said structure;
Further, in step 4, the mode of concreting adopts the method for placement layer by layer, to guarantee that concrete vibrating is closely knit, produces without honeycomb doghole phenomenon.
Conveniently understand technique scheme of the present invention, below by way of in concrete mode of occupation, technique scheme of the present invention is described in detail.
In practice of construction process, according to the cast-in-situ hollow floor plate structure based on GFM inflatable inner mould of the present invention and construction method, it has corresponding economic benefit, quality and benifit and social benefit, wherein, in practice of construction, it is 26.59% of total amount that its roof steel bar saves consumption, consumption saved by concrete is 26.47% of total amount, finally calculating is equivalent to every square meter is 107.46 ㎡, and the gross area is about 10000 ㎡, and amounting to saving is 107.46 ten thousand yuan;
Simultaneously, after this cast-in-situ hollow floor plate structure completes from structure construction, Survival Rate is quite attractive in appearance, from the viewpoint of structural safety angle, alleviate dead load significantly, can well play the effect alleviating load, alleviate geological process simultaneously, apparent size deviation is all in error allowed band, meet design structure requirement, ensure that workmanship, ensure that the safety of structure simultaneously.
GFM inflatable inner mould can be banked up in transportation in lamination compression, very big minimizing storage and transportation space, improve conevying efficiency to greatest extent, reduce freight, accumulating is more convenient, GFM inflatable inner mould material not cracky itself, be not afraid of and expose to the weather, without depositing requirement especially, without the need to inflation before using, fill during use and use, parking space is more economized, in view of cassette ceiling scheme can save concrete consumption, alleviate dead load, reduce construction costs, reduce the advantages such as geological process, simultaneously, the space superstructure that GFM internal mold is formed has more advantage compared with other material, GFM is from heavy and light, internal mold weight can not be considered during design, more loads can be reduced, this is the feature that other materials does not possess, thus more conveniently can realize large bay, increase usable floor area, ensureing under the condition using clear height, structure floor height can be reduced, for the house having height restriction, floor can be increased.
GFM inflatable inner mould high-strength light, not cracky, once damage, without the need to disassembling reinforcing bar, namely conveniently replaced.GFM inflatable inner mould anti-floating is fixing adopts tool-type bolt, and repeatedly can have enough to meet the need use, GFM inflatable inner mould worships green construction theory, does not produce pollution rubbish, more environmental protection of constructing.
In sum, by means of technique scheme of the present invention, the present invention alleviates again the effect of earthquake while ensure that the construction quality of structural solid, ensure that the anti-seismic performance of structure, because GFM inflatable inner mould can be inflated in work progress, use installation at any time, save time, carrying is very fast more convenient, improves efficiency of construction, has saved concrete construction consumption, reduce construction cost, ensure that construction quality, solve the problem that dead load in construction is excessive, also solve the headroom problem improving structure simultaneously.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the cast-in-situ hollow floor plate structure based on GFM inflatable inner mould, it is characterized in that, comprise the girt strip unit of some parallel assembled arrangement, the bottom surface of some girt strip unit is banded with baseplate reinforcing bar and is fixed by this baseplate reinforcing bar, wherein, girt strip unit comprises the girt strip that some end to end combinations are square, in the inner chamber of girt strip unit, inflatable inner mould is set, described inflatable inner mould bottom is fixed by some anti-floating posts be embedded on baseplate reinforcing bar, meanwhile, some cushion blocks are also fixed with between described inflatable inner mould and described baseplate reinforcing bar.
2. the cast-in-situ hollow floor plate structure based on GFM inflatable inner mould according to claim 1, is characterized in that, described inflatable inner mould is GFM inflatable inner mould.
3. the cast-in-situ hollow floor plate structure based on GFM inflatable inner mould according to claim 1, is characterized in that, described anti-floating post top is divided into cylinder, and the Rotary-table that lower part is formed in one.
4. the cast-in-situ hollow floor plate structure based on GFM inflatable inner mould according to claim 3, is characterized in that, the Rotary-table of described anti-floating post is embedded in baseplate reinforcing bar inside, and perpendicular to this baseplate reinforcing bar.
5. the cast-in-situ hollow floor plate structure based on GFM inflatable inner mould according to claim 1, is characterized in that, the quantity of described anti-floating post is six, and is evenly arranged on baseplate reinforcing bar with two row arrangements.
6. the cast-in-situ hollow floor plate structure based on GFM inflatable inner mould according to claim 1, is characterized in that, the quantity of described cushion block is four, and four cushion blocks are corner arrangement.
7., based on a construction method for the cast-in-situ hollow floor plate structure of GFM inflatable inner mould, it is characterized in that, comprise the steps:
Step one, first fixes girt strip unit at some girt strip unit bottom surface colligation baseplate reinforcing bars, installs cushion block uniformly, meanwhile, be mounted on cushion block by described inflation inner membrance after baseplate reinforcing bar fixes on baseplate reinforcing bar;
Step 2, when after the installation of inflation inner membrance, utilizes the iron wire pre-set to be fixed by this inflatable inner mould;
Step 3, in the roof steel bar that the upper strata colligation of girt strip unit pre-sets after inflatable inner mould fixedly completes, after roof steel bar colligation completes, upper iron reinforcing bar is also installed the cushion block of fixing inflatable inner mould;
Step 4, carries out concreting after the good roof steel bar of colligation on said structure.
8. the construction method of the cast-in-situ hollow floor plate structure based on GFM inflatable inner mould according to claim 7, it is characterized in that, in step 4, the mode of concreting adopts the method for placement layer by layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510920853.1A CN105386553A (en) | 2015-12-11 | 2015-12-11 | Cast-in-place hollow floor structure based on GFM (Gel Filtration Medium) inflatable inner molds and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510920853.1A CN105386553A (en) | 2015-12-11 | 2015-12-11 | Cast-in-place hollow floor structure based on GFM (Gel Filtration Medium) inflatable inner molds and construction method |
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| CN105386553A true CN105386553A (en) | 2016-03-09 |
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| CN201510920853.1A Pending CN105386553A (en) | 2015-12-11 | 2015-12-11 | Cast-in-place hollow floor structure based on GFM (Gel Filtration Medium) inflatable inner molds and construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440634A (en) * | 2018-12-11 | 2019-03-08 | 上海市城市建设设计研究总院（集团）有限公司 | The prefabricated high strength concrete hollow bent cap structure that internal model can be taken off |
| CN111441575A (en) * | 2020-04-14 | 2020-07-24 | 中建四局第一建筑工程有限公司 | Method and structure for pouring concrete column using inflatable formwork fixed with floor slab |
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| CN101793070A (en) * | 2010-03-22 | 2010-08-04 | 徐焱 | Hollow floor system filled with an air-filling bag and construction method thereof |
| CN203080768U (en) * | 2012-12-07 | 2013-07-24 | 李亚文 | Inflatable internal die for cast-in-place concrete hollow floor |
| CN203361427U (en) * | 2013-04-16 | 2013-12-25 | 江苏金厦建设集团有限公司 | Novel hollow concrete floor plate |
| CN204212299U (en) * | 2014-09-17 | 2015-03-18 | 谭泽文 | Be applied to gasbag-type core and the fixed structure thereof of cast-in-situ hollow floor plate |
| CN204590365U (en) * | 2015-03-17 | 2015-08-26 | 江苏瑞永建设工程技术有限公司 | A kind of anti-floating combined structure for building sound-absorbing hollow floor cover plate |
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2015
- 2015-12-11 CN CN201510920853.1A patent/CN105386553A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793070A (en) * | 2010-03-22 | 2010-08-04 | 徐焱 | Hollow floor system filled with an air-filling bag and construction method thereof |
| CN203080768U (en) * | 2012-12-07 | 2013-07-24 | 李亚文 | Inflatable internal die for cast-in-place concrete hollow floor |
| CN203361427U (en) * | 2013-04-16 | 2013-12-25 | 江苏金厦建设集团有限公司 | Novel hollow concrete floor plate |
| CN204212299U (en) * | 2014-09-17 | 2015-03-18 | 谭泽文 | Be applied to gasbag-type core and the fixed structure thereof of cast-in-situ hollow floor plate |
| CN204590365U (en) * | 2015-03-17 | 2015-08-26 | 江苏瑞永建设工程技术有限公司 | A kind of anti-floating combined structure for building sound-absorbing hollow floor cover plate |
Non-Patent Citations (1)
| Title |
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| 北京中建建筑科学研究院有限公司: "疫苗新品种产业化基地工程现浇空心楼盖用轻质内模（GFM）施工方案", 《疫苗新品种产业化基地工程现浇空心楼盖用轻质内模（GFM）施工方案》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440634A (en) * | 2018-12-11 | 2019-03-08 | 上海市城市建设设计研究总院（集团）有限公司 | The prefabricated high strength concrete hollow bent cap structure that internal model can be taken off |
| CN109440634B (en) * | 2018-12-11 | 2024-02-06 | 上海市城市建设设计研究总院（集团）有限公司 | Prefabricated high-strength concrete hollow bent cap structure with removable internal mold |
| CN111441575A (en) * | 2020-04-14 | 2020-07-24 | 中建四局第一建筑工程有限公司 | Method and structure for pouring concrete column using inflatable formwork fixed with floor slab |
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Application publication date: 20160309 |
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