CN203145267U - Prefabricated composite floor slab - Google Patents
Prefabricated composite floor slab Download PDFInfo
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- CN203145267U CN203145267U CN 201320099221 CN201320099221U CN203145267U CN 203145267 U CN203145267 U CN 203145267U CN 201320099221 CN201320099221 CN 201320099221 CN 201320099221 U CN201320099221 U CN 201320099221U CN 203145267 U CN203145267 U CN 203145267U
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- floor slab
- reinforcing bar
- precast floor
- main part
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Abstract
The utility model relates to a prefabricated composite floor slab which comprises a plurality of prefabricated floor slab main body parts and cast-in-place concrete composite layers cast on the upper surfaces of the prefabricated floor slab main body parts, wherein a plurality of full-through grooves which are arranged at equal intervals are formed in the upper surfaces of the prefabricated floor slab main body parts and extend along the length direction of the prefabricated floor slab main body parts; two convex parts are respectively arranged on two sides of each full-through groove; a third reinforcing steel bar is arranged in each convex part; a first reinforcing steel bar mesh piece is arranged in each prefabricated floor slab main body part and consists of first long reinforcing steel bars which are arranged at equal intervals along the long direction of each prefabricated floor slab and first short reinforcing steel bars which are arranged at equal intervals along the short direction of each prefabricated floor slab; the first long reinforcing steel bars and the third reinforcing steel bars are prestressed reinforcements; and a second reinforcing steel bar mesh piece is arranged in each cast-in-place concrete composite layer. The prefabricated composite floor slab disclosed by the utility model has the advantages of simplicity in prefabrication and construction, low construction cost, convenience in laying of embedded pipelines and no need of mounting a lower support frame during bracing.
Description
Technical field
The utility model relates to a kind of building prefabricated components, is specifically related to a kind of prefabricated laminated floor slab, belongs to technical field of civil engineering.
Background technology
The reinforced concrete prefabricated whole main construction direction that structure is present industrialization of construction industry of watering, soon precast floor slab, precast beam, dry wall, prefabricated post are connected together, then at each other connected node, and poured in place concretes such as floor plate face, beam face, metope, so make all prefabricated units form the overall structure of firm and reliable connection.
The cast-in-place surface layer of floor that precast floor slab wherein and poured in place concrete form and the reinforced mesh in the surface layer have formed prefabricated laminated floor slab jointly.
Present prefabricated laminated floor slab has various ways, but the following problem of ubiquity: the one, in order to satisfy the bearing capacity of being cut of floor superposed surfaces, and the effective adhesive that has that guarantees cast-in-place overlapping layers concrete and precast floor slab, the pre-buried reinforcing bar shear key that exposes outside the precast plate face in precast floor slab often, so construction is complicated, the cost height, the 2nd, precast floor slab is flat shape, when the precast plate Force Calculation of construction stage, the effective depth of section of its floor is very little, make precast floor slab in order to bear the moment of flexure of construction stage, must improve the plate thickness of precast floor slab, simultaneously, because needing to bury underground electric wire pipeline and water-supply line in the floor, cause existing prefabricated laminated floor slab also can only solve by increasing the cast-in-situ concrete overlapping layers, so also will make the floor final thickness surpass common cast-in-place concrete floor, cause prefabricated laminated floor slab cost higher.
Therefore, for solving the problems of the technologies described above, necessaryly provide a kind of new prefabricated laminated floor slab, to overcome described defective of the prior art.
The utility model content
For addressing the above problem, the purpose of this utility model is to provide a kind of construction simple, and low cost is convenient to lay preheating embedding line, the prefabricated laminated floor slab that thickness of slab is thinner.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of prefabricated laminated floor slab, and it comprises some precast floor slab main parts and builds in the cast-in-situ concrete overlapping layers of precast floor slab main part upper surface; Wherein, the upper surface of each precast floor slab main part is provided with the some elongated groove of equidistantly arranging; Described elongated groove extends along the length direction of precast floor slab main part; The both sides of each elongated groove are respectively equipped with a lug boss; In described lug boss, be provided with the 3rd reinforcing bar of arranging along the length direction of precast floor slab main part; In described precast floor slab main part, be provided with first reinforced mesh, described first reinforced mesh is made up of to reinforcing bar with along the first short reinforcing bar that short is equidistantly arranged first length along described precast floor slab length to equidistant layout, wherein, described first length is prestressed reinforcement to reinforcing bar and the 3rd reinforcing bar, is provided with second reinforced mesh in described cast-in-situ concrete overlapping layers.
Prefabricated laminated floor slab of the present utility model further is set to: the bottom surface of described precast floor slab main part is plane structure; The cross section of described elongated groove is trapezium structure.
Prefabricated laminated floor slab of the present utility model further is set to: described first length is placed under the first short reinforcing bar to reinforcing bar, and described first length is all stretched out the outward flange of precast floor slab main part to reinforcing bar and the first short reinforcing bar.
Prefabricated laminated floor slab of the present utility model further is set to: the upper surface of described precast floor slab main part is suppressed with recessed decorative pattern.
Prefabricated laminated floor slab of the present utility model further is set to: described second reinforced mesh is made up of to reinforcing bar with along the second short reinforcing bar that short is equidistantly arranged second length along described precast floor slab length to equidistant layout, wherein, second length is placed on the second short reinforcing bar to reinforcing bar.
Prefabricated laminated floor slab of the present utility model also is set to: described some precast floor slab main parts are placed side by side, the exposed parts of the first short reinforcing bar is bending and intersection upwards, and it is long to the 4th reinforcing bar of arranging on edge of place intersected with each other colligation, described the 4th reinforcing bar is distributing bar, and its length is long to reinforcing bar with first.
Compared with prior art, the utlity model has following beneficial effect:
1. simple, the low cost of prefabricated laminated floor slab construction of the present utility model, and the described elongated groove of upper surface all can effectively increase the bond area of precast floor slab and described cast-in-situ concrete overlapping layers, and recessed decorative pattern also can improve bond effect each other.
2. can also be used in the described groove burying underground along the pipeline of prefabricated superimposed sheet length to laying, avoid to burying the thickness that pipeline strengthens the cast-in-situ concrete overlapping layers underground.
3. described floor in the shearing resistance that does not influence floor and anti-bending strength, can effectively alleviate the precast floor slab deadweight because having groove.
4. prefabricated laminated floor slab of the present utility model has used prestressed reinforcement, makes that the floor stress performance is better, and the generation in energy operative constraint crack, and prestressed reinforcement intensity can also effectively reduce amount of reinforcement than the high several times of plain bars simultaneously.
5. prefabricated laminated floor slab of the present utility model can be undertaken prefabricated on a large scale by the long line stretch-draw of prestressing force platform, highly efficient in productivity, simultaneously employed close rib steel template low production cost, can carry out lap splice according to the precast floor slab size each other, formwork rigidity is bigger, also can remain stationary after the form removal, can have enough to meet the need use repeatedly, the steel form of Sun Huaiing can also be recycled in addition.
6. prefabricated laminated floor slab stress performance of the present utility model is better, under thinner situation, still bigger supporting capacity can be arranged, so after these precast floor slab two ends of construction stage were shelved on the prefabricated superposed beam prefabricated units, the bottom did not need bracing frame is set again, is conducive to the construction of floor height higher buildings.
Description of drawings
Fig. 1 is the sectional view of prefabricated laminated floor slab of the present utility model.
Fig. 2 is the sectional view of the precast floor slab main part among Fig. 1.
Sectional view when Fig. 3 is precast floor slab main part prefabricated among Fig. 1.
The specific embodiment
See also Figure of description 1 to shown in the accompanying drawing 3, the utility model is a kind of prefabricated laminated floor slab, and it is by some precast floor slab main parts 1 and build in the cast-in-situ concrete overlapping layers 2 of precast floor slab main part 1 upper surface and form.
Wherein, the upper surface of each precast floor slab main part 1 is provided with some elongated grooves 11 of equidistantly arranging, and these elongated grooves 11 extend along the length direction of precast floor slab main part 1.Further, the cross section of described elongated groove 11 is trapezium structure.The bottom surface of described precast floor slab main part 1 is plane structure.
The both sides of each elongated groove 11 are respectively equipped with a lug boss 16; Being provided with the 3rd reinforcing bar 17, the three reinforcing bars of arranging along the length direction of precast floor slab main part 1 17 in described lug boss 16 is prestressed reinforcement.
In described precast floor slab main part 1, be provided with first reinforced mesh 12.Described first reinforced mesh 11 is by forming to reinforcing bar 13 with along the first short reinforcing bar 14 that short is equidistantly arranged along long first length to equidistant layout, wherein, first length is placed under the first short reinforcing bar 14 to reinforcing bar 13, described first length also is prestressed reinforcement to reinforcing bar 13, and described first length is all stretched out the outward flange of precast floor slab main part 1 to reinforcing bar 13 and the first short reinforcing bar 14.
The upper surface of described precast floor slab main part 11 further is suppressed with recessed decorative pattern 15.
Described some precast floor slab main parts 1 are placed side by side, the exposed parts of the first short reinforcing bar 14 is bending and intersection upwards, and at long the 4th reinforcing bar 3 to layout in edge of place intersected with each other colligation, described the 4th reinforcing bar 3 is distributing bar, and its length is long to reinforcing bar 13 with first.
In described cast-in-situ concrete overlapping layers 2, also be provided with second reinforced mesh 21.Described second reinforced mesh 21 is made up of to reinforcing bar 22 with along the second short reinforcing bar 23 that short is equidistantly arranged long second length to equidistant layout in edge, and wherein, second length is placed on the second short reinforcing bar 23 to reinforcing bar 22.
The above specific embodiment only is the preferred embodiment of this creation, not in order to limiting this creation, all in this creation spirit and principle within make any modification, be equal to replacement, improvement etc., all should be included within the protection domain of this creation.
Claims (6)
1. prefabricated laminated floor slab is characterized in that: comprise some precast floor slab main parts and build in the cast-in-situ concrete overlapping layers of precast floor slab main part upper surface; Wherein, the upper surface of each precast floor slab main part is provided with the some elongated groove of equidistantly arranging; Described elongated groove extends along the length direction of precast floor slab main part; The both sides of each elongated groove are respectively equipped with a lug boss; In described lug boss, be provided with the 3rd reinforcing bar of arranging along the length direction of precast floor slab main part; In described precast floor slab main part, be provided with first reinforced mesh, described first reinforced mesh is made up of to reinforcing bar with along the first short reinforcing bar that short is equidistantly arranged first length along described precast floor slab length to equidistant layout, wherein, described first length is prestressed reinforcement to reinforcing bar and the 3rd reinforcing bar, is provided with second reinforced mesh in described cast-in-situ concrete overlapping layers.
2. prefabricated laminated floor slab as claimed in claim 1, it is characterized in that: the bottom surface of described precast floor slab main part is plane structure; The cross section of described elongated groove is trapezium structure.
3. prefabricated laminated floor slab as claimed in claim 1 is characterized in that: described first longly is placed under the first short reinforcing bar to reinforcing bar, the described first long outward flange that all stretches out the precast floor slab main part to reinforcing bar and the first short reinforcing bar.
4. prefabricated laminated floor slab as claimed in claim 1, it is characterized in that: the upper surface of described precast floor slab main part is suppressed with recessed decorative pattern.
5. prefabricated laminated floor slab as claimed in claim 1, it is characterized in that: described second reinforced mesh is made up of to reinforcing bar with along the second short reinforcing bar that short is equidistantly arranged second length along described precast floor slab length to equidistant layout, wherein, second length is placed on the second short reinforcing bar to reinforcing bar.
6. prefabricated laminated floor slab as claimed in claim 3, it is characterized in that: described some precast floor slab main parts are placed side by side, the exposed parts of the first short reinforcing bar is bending and intersection upwards, and it is long to the 4th reinforcing bar of arranging on edge of place intersected with each other colligation, described the 4th reinforcing bar is distributing bar, and its length is long to reinforcing bar with first.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320099221 CN203145267U (en) | 2013-03-05 | 2013-03-05 | Prefabricated composite floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320099221 CN203145267U (en) | 2013-03-05 | 2013-03-05 | Prefabricated composite floor slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203145267U true CN203145267U (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320099221 Expired - Fee Related CN203145267U (en) | 2013-03-05 | 2013-03-05 | Prefabricated composite floor slab |
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| CN (1) | CN203145267U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572838A (en) * | 2013-10-23 | 2014-02-12 | 沈阳建筑大学 | External connecting technology for prefabricated frame, shear wall and beam panel |
| CN103981987A (en) * | 2014-05-30 | 2014-08-13 | 王睿敏 | Hollow composite floor slab and construction method thereof |
| CN104032869A (en) * | 2013-03-05 | 2014-09-10 | 华汇工程设计集团股份有限公司 | Prefabricated composite floor slabs and prefabricated construction method thereof |
| CN104100030A (en) * | 2014-07-28 | 2014-10-15 | 陕西昊兴房屋工程有限公司 | Reverse buckling type floor support plate and combined floor plate system thereof |
| CN109537788A (en) * | 2018-11-22 | 2019-03-29 | 中耕耘成建筑科技(江苏)有限公司 | A kind of concrete folding plate with very-high performance |
| CN116905720A (en) * | 2023-07-26 | 2023-10-20 | 安徽金鹏绿色建筑产业集团有限公司 | Floor heat-insulating sound-insulating prefabricated prestressed composite floor support plate and production device thereof |
-
2013
- 2013-03-05 CN CN 201320099221 patent/CN203145267U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032869A (en) * | 2013-03-05 | 2014-09-10 | 华汇工程设计集团股份有限公司 | Prefabricated composite floor slabs and prefabricated construction method thereof |
| CN104032869B (en) * | 2013-03-05 | 2016-08-24 | 华汇工程设计集团股份有限公司 | A kind of Prefabricated stacking floor and precast construction method thereof |
| CN103572838A (en) * | 2013-10-23 | 2014-02-12 | 沈阳建筑大学 | External connecting technology for prefabricated frame, shear wall and beam panel |
| CN103981987A (en) * | 2014-05-30 | 2014-08-13 | 王睿敏 | Hollow composite floor slab and construction method thereof |
| CN104100030A (en) * | 2014-07-28 | 2014-10-15 | 陕西昊兴房屋工程有限公司 | Reverse buckling type floor support plate and combined floor plate system thereof |
| CN109537788A (en) * | 2018-11-22 | 2019-03-29 | 中耕耘成建筑科技(江苏)有限公司 | A kind of concrete folding plate with very-high performance |
| CN109537788B (en) * | 2018-11-22 | 2020-09-01 | 中耕耘成建筑科技(江苏)有限公司 | Concrete superimposed sheet with ultra-high performance |
| CN116905720A (en) * | 2023-07-26 | 2023-10-20 | 安徽金鹏绿色建筑产业集团有限公司 | Floor heat-insulating sound-insulating prefabricated prestressed composite floor support plate and production device thereof |
| CN116905720B (en) * | 2023-07-26 | 2024-02-13 | 安徽金鹏绿色建筑产业集团有限公司 | Floor heat-insulating sound-insulating prefabricated prestressed composite floor support plate and production device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170522 Address after: Xiashi town shuiyueting road Haining city Jiaxing City, Zhejiang province 314400 No. 288 Patentee after: Zhejiang Hua Heng Architectural Design Co., Ltd. Address before: 312000 Shaoxing, Vietnam, the city of North Zhongxing Road, No. 339, No. Patentee before: Huahui Engineering Design Group Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20190305 |