CN202031214U - Cast-in-place concrete hollow floor plate with internal assembly box-shaped template - Google Patents
Cast-in-place concrete hollow floor plate with internal assembly box-shaped template Download PDFInfo
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- CN202031214U CN202031214U CN2011200670630U CN201120067063U CN202031214U CN 202031214 U CN202031214 U CN 202031214U CN 2011200670630 U CN2011200670630 U CN 2011200670630U CN 201120067063 U CN201120067063 U CN 201120067063U CN 202031214 U CN202031214 U CN 202031214U
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- case mould
- reinforced concrete
- hollow floor
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Abstract
The utility model relates to a floor plate, in particular to a cast-in-place concrete hollow floor plate with an internal assembly box-shaped template, which is combined with precasting and cast-in-place processing. The cast-in-place concrete hollow floor plate comprises reinforced concrete ribs (1), a reinforced concrete superposing layer (2) and assembly box molds (3). Each reinforced concrete rib (1) is formed between adjacent assembly box molds (3) through cast-in-place process, the reinforced concrete superposing layer (2) is arranged above the assembly box molds (3) and formed through cast-in-place, a 'T'-shaped bearing fracture surface is formed by the reinforced concrete superposing layer (2) and each reinforced concrete rib (1), each assembly box mold (3) provided with a sealed cavity structure is an internal mold of the floor plate and forms a large sealed cavity structure of a floor system together with the reinforced concrete ribs (1) and the reinforced concrete superposing layer (2). The structural height of the floor plate can be decreased greatly so that use space at higher positions can be provided on the premise of the same floor height, and the bottom of the integral floor plate is smooth so as to be convenient for use.
Description
Technical field
The utility model relates to a kind of floor, in particular, relates to a kind of prefabricated and cast-in-place built-in assembling box template cast-in-place concrete hollow floor slab that combines
Background technology
Along with China's economic construction is developed by leaps and bounds, reinforced concrete structure is extensive use in industry and civilian construction, and has obtained good technology economic.Because architectural to high level, requirements such as large space and antidetonation, developed in recent years many new, the structural system that techno-economic effect is good.
Over past ten years, the concrete dense-rib hollow building cover is used widely in China's construction work.Hollow-ribbed floor is meant that the unidirectional or bi-directional type of 1. rib distance＜=1.5m is called hollow-ribbed floor; 2. be applicable to medium or than the public building of large span; 3. for ordinary concrete, span＜=30m; For prestressed concrete, span＜=45m; 4. should cast-in-place and employing typified form (abbreviation formwork) or typing filled internal mold.Two-way ribbed slab floor is because two-way common bearing load effect, stress performance is better, therefore, such superstructure form can be widely used in many high-rise public buildings such as market, exhibition hall, conference room, warehouse, library, underground garage, lecture theater, is particularly useful for the structure types of large space, large span, the requirement of high headroom.
The form of hollow-ribbed floor mainly contains two big classes, and a class is the cast-in-situ concrete hollow-ribbed floor, and another kind of is the prefabricated and cast-in-place concrete dense-rib hollow building cover that combines.The technology of cast-in-situ concrete hollow-ribbed floor realizes that measure mainly is by filling " internal mold " among cast-in-situ concrete.Internal mold can adopt hollow tube core, casing, also can adopt cylindrical shell, the block of light solid.But to the prefabricated and cast-in-place concrete dense-rib hollow building cover that combines, still do not have reliable measures and realize at home.
Filled internal mold present stage of realizing hollow-ribbed floor in addition is integrated support structure, and these members can be hollow tube core, casing or the cylindrical shell of light solid, blocks.But its purposes is identical, as just filler.Its structure is identical, is integrated support structure.Present stage does not still have die component in the assembling and is used for precedent among the hollow-ribbed floor at home.
The utility model content
The purpose of this utility model, be to solve defective of the prior art, a kind of built-in assembling box template cast-in-place concrete hollow floor slab is provided, this concrete hollow floor adopts die component in the assembling, be assembling case mould, adopt prefabricated and cast-in-place process combined.
A kind of built-in assembling box template cast-in-place concrete hollow floor slab of the utility model comprises: steel concrete girt strip (1), reinforced concrete sandwich layer (2), assembling case mould (3); Described steel concrete girt strip (1) cast-in-site between adjacent assembling case mould (3) forms; Described reinforced concrete sandwich layer (2) is in the top of assembling case mould (3), and cast-in-site forms; Described reinforced concrete sandwich layer (2) forms the stressed section of T-shape with steel concrete girt strip (1); It is characterized in that: described assembling case mould (3) has the enclosed cavity structure, is the internal mold of floor, forms the big cavity configuration of sealing of superstructure jointly with steel concrete girt strip (1) and reinforced concrete sandwich layer (2).
Further, technique scheme can be improved to: described assembling case mould (3) is GRC (glass fiber reinforced polymer cement) goods.
Further, technique scheme can be improved to: described assembling case mould (3) is all around in the sidewall plane, and all crest lines of assembling case mould are provided with shear key (4), and described shear key (4) is along horizontal-extending or the groove that vertically extends.
Further, technique scheme can be improved to: described groove has rectangle or trapezoidal cross-section.
Further, technique scheme can be improved to: the base plate of described assembling case mould is provided with rod shaped rib or cross rib (6).
Further, technique scheme can be improved to: sidewall is provided with wedge ribs (7) around the described assembling case mould.
Further, technique scheme can be improved to: described assembling case mould (3) is the single-unit formula, by open top container (31) and prefabricated flat board (32) assembling formation seal case.
Further, technique scheme can be improved to: described assembling case mould is a multi-section type, is assembled by a plurality of open top containers (31), is spliced to form enclosure space by double buckle (5) between the described open top container.
The beneficial effects of the utility model are: the hollow rate of a kind of built-in assembling box template cast-in-place concrete hollow floor slab of the present utility model wants high than the close rib cassette ceiling of cast-in-situ concrete, and the floor deadweight is lighter, can save material effectively, reduces construction costs; Each member of assembling case mould all adopts batch production, standardization to make in such floor, thereby can reduce on-site concrete and water fluence, has improved efficiency of construction; Compare with general girt strip floor, the structure height of such floor can reduce greatly, can provide under the identical floor height situation and more highly build usage space, and whole floor slab bottoms is smooth, the convenient use.
Description of drawings
Fig. 1 is an open top container structural representation of the present utility model.
Fig. 2 is the sectional view of the utility model single-unit formula assembling case mould.
Fig. 3, Fig. 4 are the sectional views of the utility model multi-section type assembling case mould.
Fig. 5, Fig. 6 concrete dense-rib hollow building cover of the present utility model structural map section.
Fig. 7, Fig. 8 are the structural representations that has the open top container of cross rib and wedge ribs.
The specific embodiment
As shown in Figure 1, be the structural representation of open top container 31 of the present utility model.This open top container is made by glass fiber reinforced cement, the uncovered casing of being made up of sidewall and base plate.Open top container 31 is the GRC goods, in concrete placement, play the effect of cast-in-situ steel reinforced concrete girt strip 1 side form, the effect of bearing bar concrete folding layer 2 and construction operation load, box bottom exposes, as the building ceiling, GRC goods favorable durability can be closely bound up like this.Open top container 31 both can be the single-unit formula, as shown in Figure 2, also can be multi-section type, form by assembling, as shown in Figures 3 and 4 shown in.If multi-section type splices fixing by double buckle each other mutually.Multi-section type assembling case mould height can be pursued higher height, be single-unit can't realize that and other like products have better anti-side rigidity relatively, have resistance to overturning preferably.
For strengthening being connected between assembling case mould and the cast-in-situ concrete, around assembling case mould in the sidewall plane, and all crest lines of assembling case mould are installed certain rule shear key 4 are set.Shear key can not only the back strengthens the connection between prefabricated and cast-in-place, the more important thing is and can transmit horizontal shear.
In the sidewall plane shear key all should be set around the assembling case mould: shear key is for along horizontal-extending or the groove (rectangle or trapezoidal cross-section) that vertically extends, depth of groove is not less than 5mm, width is between the 15mm to 25, development length is not less than 100mm. shear key distribution area and is not less than 30% of this plane inside wall gross area, also should be greater than 50%.
On all crest lines of case mould shear key should be set, the degree of depth is not less than 10mm, width be 10mm between the 20mm, development length is not less than 100mm, the shear key distribution length should be less than 20% of this crest line length overall on this crest line, should be greater than 50% yet.
Fig. 5, Fig. 6 built-in assembling box template cast-in-place concrete hollow floor slab structural map section of the present utility model.A kind of built-in assembling box template cast-in-place concrete hollow floor slab of the utility model comprises: steel concrete girt strip 1, reinforced concrete sandwich layer 2, assembling case mould 3; Steel concrete girt strip 1 cast-in-site between adjacent assembling case mould 3 forms; Reinforced concrete sandwich layer 2 is above assembling case mould 3, and cast-in-site forms; Reinforced concrete sandwich layer 2 forms the stressed section of T-shape with steel concrete girt strip 1; Assembling case mould 3 has the enclosed cavity structure, is the internal mold of floor, with steel concrete girt strip 1 and the reinforced concrete sandwich layer 2 common big cavity configuration of sealing that forms superstructure.
Fig. 7, Fig. 8 are the structural representations that has the open top container of stiffening rib.
Stiffening rib comprises in-line rib, cross rib and wedge ribs, be that open top container institute is peculiar, purpose is for strengthening the bulk strength of casing, and can be to a certain extent the casing wall thickness do thinner, make whole box body lighter, can play the effect that alleviates dead load like this.
Operated by rotary motion in-line rib and cross rib on the base plate of open top container.Operated by rotary motion wedge ribs on sidewall around the open top container.
Because assembling case mould planar dimension is rectangular shape, be similarly rectangle as the open top container planar dimension of its basic composition.Cross rib 6 generally is set on the open top container base plate one, the in-line rib can be set for some special-shaped models (in the planar dimension minor face with the ratio on long limit less than 0.7).
If the casing depth of section than higher (the single-unit height is more than 300), can consider to be provided with wedge ribs 7 this moment on sidewall.
The stiffening rib breadth of section generally is not less than wall thickness or thickness of slab 2 times, and depth of section is not less than rib width.
With respect to concrete dense-rib cassette ceiling of the prior art, the open top container that assembling case mould is used can be realized higher depth of section with respect to common globality filled internal mold, and it is higher that the cassette ceiling depth of section can be done, and can realize bigger span.And adopt the assembling mounting process can reduce labour intensity, and multi-sectional assembled under casing good integrity, good stability, and have the inner support effect.Assembling case mould each several part member is prefabricated, and site operation assembling mounting process can make follow-up other operations cooperate flexibly, increases work efficiency.
Claims (8)
1. a built-in assembling box template cast-in-place concrete hollow floor slab comprises: steel concrete girt strip (1), reinforced concrete sandwich layer (2), assembling case mould (3); Described steel concrete girt strip (1) cast-in-site between adjacent assembling case mould (3) forms; Described reinforced concrete sandwich layer (2) is in the top of assembling case mould (3), and cast-in-site forms; Described reinforced concrete sandwich layer (2) forms the stressed section of T-shape with steel concrete girt strip (1);
It is characterized in that: described assembling case mould (3) has the enclosed cavity structure, is the internal mold of floor, forms the big cavity configuration of sealing of superstructure jointly with steel concrete girt strip (1) and reinforced concrete sandwich layer (2).
2. a kind of built-in assembling box template cast-in-place concrete hollow floor slab according to claim 1, it is characterized in that: described assembling case mould (3) is GRC (glass fiber reinforced polymer cement) goods.
3. a kind of built-in assembling box template cast-in-place concrete hollow floor slab according to claim 1, it is characterized in that: described assembling case mould (3) is all around in the sidewall plane, and all crest lines of assembling case mould are provided with shear key (4), and described shear key (4) is along horizontal-extending or the groove that vertically extends.
4. a kind of built-in assembling box template cast-in-place concrete hollow floor slab according to claim 3, it is characterized in that: described groove has rectangle or trapezoidal cross-section.
5. a kind of built-in assembling box template cast-in-place concrete hollow floor slab according to claim 1, it is characterized in that: the base plate of described assembling case mould is provided with rod shaped rib or cross rib (6).
6. a kind of built-in assembling box template cast-in-place concrete hollow floor slab according to claim 1 is characterized in that: sidewall is provided with wedge ribs (7) around the described assembling case mould.
7. a kind of built-in assembling box template cast-in-place concrete hollow floor slab according to claim 1 is characterized in that: described assembling case mould (3) is the single-unit formula, by open top container (31) and prefabricated flat board (32) assembling formation seal case.
8. a kind of built-in assembling box template cast-in-place concrete hollow floor slab according to claim 1, it is characterized in that: described assembling case mould is a multi-section type, be assembled by a plurality of open top containers (31), be spliced to form enclosure space by double buckle (5) between the described open top container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200670630U CN202031214U (en) | 2011-03-15 | 2011-03-15 | Cast-in-place concrete hollow floor plate with internal assembly box-shaped template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200670630U CN202031214U (en) | 2011-03-15 | 2011-03-15 | Cast-in-place concrete hollow floor plate with internal assembly box-shaped template |
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| Publication Number | Publication Date |
|---|---|
| CN202031214U true CN202031214U (en) | 2011-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200670630U Expired - Fee Related CN202031214U (en) | 2011-03-15 | 2011-03-15 | Cast-in-place concrete hollow floor plate with internal assembly box-shaped template |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155064A (en) * | 2011-03-15 | 2011-08-17 | 辛崇安 | Cast-in-place concrete hollow floor slab internally provided with assembled box template |
| CN106948534A (en) * | 2016-01-06 | 2017-07-14 | 刘鹏 | Mesh sheet forms hollow dark contignation and technique with spacer bar cast-in-place concrete |
| CN107386512A (en) * | 2017-07-05 | 2017-11-24 | 中建八局第建设有限公司 | A kind of new fabrication and installation method of Prefabricated superposed beam plate |
-
2011
- 2011-03-15 CN CN2011200670630U patent/CN202031214U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155064A (en) * | 2011-03-15 | 2011-08-17 | 辛崇安 | Cast-in-place concrete hollow floor slab internally provided with assembled box template |
| CN106948534A (en) * | 2016-01-06 | 2017-07-14 | 刘鹏 | Mesh sheet forms hollow dark contignation and technique with spacer bar cast-in-place concrete |
| CN107386512A (en) * | 2017-07-05 | 2017-11-24 | 中建八局第建设有限公司 | A kind of new fabrication and installation method of Prefabricated superposed beam plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20140315 |