CN108590026B - Inverted V-shaped reinforced concrete prefabricated bottom plate for laminated floor slab and laminated slab manufactured by same - Google Patents
Inverted V-shaped reinforced concrete prefabricated bottom plate for laminated floor slab and laminated slab manufactured by same Download PDFInfo
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- CN108590026B CN108590026B CN201810341051.9A CN201810341051A CN108590026B CN 108590026 B CN108590026 B CN 108590026B CN 201810341051 A CN201810341051 A CN 201810341051A CN 108590026 B CN108590026 B CN 108590026B
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- prefabricated bottom
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/06—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres reinforced
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/50—Self-supporting slabs specially adapted for making floors ceilings, or roofs, e.g. able to be loaded
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Panels For Use In Building Construction (AREA)
Abstract
The invention discloses a herringbone reinforced concrete prefabricated bottom plate for a laminated floor slab and a laminated slab manufactured by the herringbone reinforced concrete prefabricated bottom plate. The invention has simple integral structure, beautiful appearance and good stress performance, is firmly bonded with post-cast laminated concrete, saves the complex processes of hole die-filling and die-removing when the concrete ribs are poured in the holes on the ribs of the existing ribbed reinforced concrete prefabricated bottom plate and the concrete prefabricated bottom plate with the steel ribs, does not need to penetrate reinforcing steel bars on site, does not need to design a splicing connection form, has simple construction, saves construction time, high construction efficiency and high prefabrication rate, and has good integrity and good anti-seismic performance of the laminated floor slab formed by the post-cast laminated concrete of the prefabricated bottom plate and can bear bidirectional load.
Description
Technical Field
The invention relates to a herringbone reinforced concrete prefabricated bottom plate for a laminated floor slab and a laminated slab manufactured by the herringbone reinforced concrete prefabricated bottom plate, and belongs to the field of building construction.
Background
The currently adopted reinforced concrete assembled floor slab can bear bidirectional load, has good integrity, low manufacturing cost and easy hoisting and transportation. The reinforced concrete prefabricated components for assembling floor slabs are usually reinforced concrete prefabricated component plates with ribs, and a patent with the publication number of CN2719968Y discloses a prestressed concrete prefabricated component plate with ribs, and a patent with the publication number of CN 104074310A discloses reinforced concrete prefabricated components. The holes are arranged on the lower two sides of the longitudinal rib of the ribbed reinforced concrete prefabricated part, when the floor slab is assembled, the reinforcing steel bars penetrate through the holes on the lower two sides of the longitudinal rib of the prefabricated part, the reinforced concrete prefabricated part plates are connected, the reinforcing steel bars are distributed in a criss-cross mode, concrete is filled in the grooves formed by the prefabricated part, and the assembled floor slab is formed. However, the ribbed prefabricated component plate is very complicated to manufacture, mainly because holes are formed in two sides, the holes in the two sides need to be filled with molds when longitudinal ribs are poured, the process is complex, the mold removal of a module in a hole opening is difficult, reinforcing steel bars need to be penetrated on site when a floor slab is assembled, meanwhile, the joint positions still need to be constructed and processed, the joint connecting reinforcing steel bars are arranged, the construction time, the construction difficulty and the construction process are increased, and the construction efficiency is low.
Disclosure of Invention
In order to solve the problems of the reinforced concrete prefabricated bottom plate for the laminated floor, the invention provides a herringbone reinforced concrete prefabricated bottom plate for the laminated floor and a laminated slab manufactured by the same.
The technical scheme of the invention is as follows: a herringbone reinforced concrete prefabricated bottom plate for a laminated floor slab comprises prefabricated bottom plate concrete 1, prefabricated bottom plate longitudinal prestressed reinforcements 2, prefabricated bottom plate transverse reserved reinforcements 3 and a prefabricated bottom plate splicing joint structure reinforcement framework 4; the cross section of the prefabricated bottom plate concrete 1 is in a herringbone shape, two ends of the prefabricated bottom plate concrete 1 are respectively provided with a longitudinal beam, and the prefabricated bottom plate concrete 1 is internally provided with an extended prefabricated bottom plate longitudinal prestressed steel bar 2 and an extended prefabricated bottom plate transverse reserved steel bar 3.
The precast bottom plate longitudinal prestressed reinforcement 2 can be replaced by non-prestressed reinforcement.
A laminated slab is made of a herringbone reinforced concrete prefabricated bottom plate used for a laminated floor slab, and the herringbone reinforced concrete prefabricated bottom plate used for the laminated floor slab is formed into the laminated floor slab through post-pouring laminated layer concrete 5.
The laminated layer concrete 5 is common concrete, light aggregate concrete or recycled concrete.
More than one inverted V-shaped reinforced concrete prefabricated bottom plate for the laminated floor slab is arranged in the laminated floor slab.
When the superimposed sheet is equipped with a plurality of "people" font reinforced concrete prefabricated bottom plates that are used for the superimposed floor, prefabricated bottom plate piece department adopts prefabricated bottom plate piece structure steel reinforcement framework 4 and the horizontal preformed reinforcement 3 of prefabricated bottom plate that stretches out in the prefabricated bottom plate to constitute piece department connecting reinforcement jointly.
Prefabricated bottom plate piece structure framework of steel reinforcement 4 forms through two vertical atress reinforcing bars and many channel type reinforcing bars connection.
And the two longitudinal stressed steel bars are welded with the plurality of groove-shaped steel bars.
The invention has the beneficial effects that: the cross section of the prefabricated bottom plate is in a herringbone shape, the upper surface of the prefabricated bottom plate in the cross section is concave-convex ordered, the prefabricated bottom plate and the transverse reserved steel bars form the upper surface of the prefabricated bottom plate together, and two ends of the prefabricated bottom plate concrete are respectively provided with a small beam; the prefabricated bottom plate transverse reserved steel bars are arranged before the prefabricated bottom plate is poured, holes do not need to be reserved in the prefabricated bottom plate, and the steel bars do not need to be penetrated in the field; the prefabricated bottom plate at the seam splicing part is transversely provided with a reserved steel bar for lap joint, so that the reinforcing bars at the seam splicing part are encrypted, and the prefabricated bottom plate seam splicing part prefabricated bottom plate seam construction steel bar and the prefabricated bottom plate seam splicing part prefabricated bottom plate. Therefore, the prefabricated bottom plate is simple in integral structure, attractive in appearance and good in stress performance, is firmly bonded with post-cast laminated concrete, saves the complex processes of hole die assembly and die disassembly when concrete ribs are poured in holes on the ribs of the existing ribbed reinforced concrete prefabricated bottom plate and the ribbed reinforced concrete prefabricated bottom plate, does not need to penetrate through reinforcing steel bars on site, does not need to design a splicing connection form, is simple in construction, saves construction time, is high in construction efficiency and prefabrication rate, is good in integrity of a laminated floor formed by the post-cast laminated concrete of the prefabricated bottom plate, is good in anti-seismic performance, and can bear bidirectional load.
Drawings
FIG. 1 is a schematic view of a "herringbone" reinforced concrete prefabricated floor for a laminated floor slab;
FIG. 2 is a detailed structure diagram of a reinforced concrete prefabricated floor slab in a shape like Chinese character 'ren';
FIG. 3 is a schematic view of a reinforcing cage for a herringbone reinforced concrete prefabricated bottom plate joint structure for a composite floor slab;
FIG. 4 is an assembly diagram of a plurality of reinforced concrete prefabricated base plates shaped like Chinese character 'ren';
FIG. 5 is a schematic view of the lower surface of a reinforced concrete prefabricated floor slab in the shape of a Chinese character 'ren' for a laminated floor slab;
FIG. 6 is a schematic view of a bidirectional stressed composite floor slab formed by assembling a plurality of inverted V-shaped reinforced concrete prefabricated base plates and pouring composite layer concrete;
the reference numbers in the figures: 1-prefabricating bottom plate concrete; 2, prefabricating a bottom plate longitudinal prestressed reinforcement; 3, transversely reserving reinforcing steel bars on the prefabricated bottom plate; 4-prefabricating a steel reinforcement framework in a bottom plate splicing structure; 5-laminated concrete.
Detailed Description
The invention will be further described with reference to the following figures and examples, without however restricting the scope of the invention thereto.
Example 1: as shown in fig. 1-6, a herringbone reinforced concrete prefabricated bottom plate for a composite floor slab comprises prefabricated bottom plate concrete 1, prefabricated bottom plate longitudinal prestressed reinforcements 2, prefabricated bottom plate transverse reserved reinforcements 3 and a prefabricated bottom plate splicing structure reinforcement framework 4; the cross section of the prefabricated bottom plate concrete 1 is in a herringbone shape, two longitudinal beams are respectively arranged at two ends of the prefabricated bottom plate concrete 1, and the prefabricated bottom plate concrete 1 is internally provided with an extended prefabricated bottom plate longitudinal prestressed steel bar 2 and an extended prefabricated bottom plate transverse reserved steel bar 3 (the prefabricated bottom plate longitudinal prestressed steel bar 2 and the prefabricated bottom plate transverse reserved steel bar 3 are arranged before the prefabricated bottom plate concrete is poured).
Further, it may be provided that the lower surface of the prefabricated floor slab concrete 1 is provided with a floor finish.
A laminated slab is made of a herringbone reinforced concrete prefabricated bottom plate used for a laminated floor slab, and the herringbone reinforced concrete prefabricated bottom plate used for the laminated floor slab is formed into the laminated floor slab through post-pouring laminated layer concrete 5.
Further, the laminated layer concrete 5 may be provided as ordinary concrete.
Furthermore, a herringbone reinforced concrete prefabricated bottom plate for the laminated floor slab can be arranged in the laminated floor slab.
Example 2: basically the same as example 1, except that:
and the prefabricated bottom plate longitudinal prestressed reinforcement 2 is replaced by non-prestressed reinforcement.
The composite layer concrete 5 is light aggregate concrete, and 5 inverted V-shaped reinforced concrete prefabricated bottom plates for the composite floor slab are arranged in the composite floor slab. As shown in fig. 6, a plurality of inverted V-shaped reinforced concrete prefabricated bottom plates are assembled and laminated concrete 5 is poured to form a bidirectional stressed laminated floor slab.
Further, can set up when the superimposed sheet is equipped with a plurality of "people" font reinforced concrete prefabricated bottom plates that are used for the superimposed floor, prefabricated bottom plate piece department adopts prefabricated bottom plate piece structure steel reinforcement framework 4 and the horizontal reservation reinforcing bar 3 of prefabricated bottom plate that stretches out in the prefabricated bottom plate to constitute piece department connecting reinforcement jointly.
Further, can set up prefabricated bottom plate piece structure framework of steel reinforcement 4 forms through two vertical atress reinforcing bars and many cell type reinforcing bar connections (prefabricated bottom plate piece structure framework of steel reinforcement 4 is prefabricated in the mill in advance).
Further, the two longitudinal stressed steel bars can be welded with the plurality of groove-shaped steel bars.
Example 3: basically the same as example 1, except that: the laminated layer concrete 5 is recycled concrete.
While the present invention has been described in detail with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. The utility model provides an utilize coincide floor of "people" font reinforced concrete prefabricated bottom plate preparation which characterized in that: forming a laminated floor slab by post-pouring laminated concrete (5) on the inverted V-shaped reinforced concrete prefabricated bottom plate;
the inverted V-shaped reinforced concrete prefabricated bottom plate comprises prefabricated bottom plate concrete (1), prefabricated bottom plate longitudinal prestressed steel bars (2), prefabricated bottom plate transverse reserved steel bars (3) and a prefabricated bottom plate splicing structure steel bar framework (4); the cross section of the prefabricated bottom plate concrete (1) is in a herringbone shape, two longitudinal beams are respectively arranged at two ends of the prefabricated bottom plate concrete (1), and the prefabricated bottom plate concrete (1) is internally provided with an extended prefabricated bottom plate longitudinal prestressed reinforcement (2) and an extended prefabricated bottom plate transverse reserved reinforcement (3);
the composite floor slab is provided with a plurality of inverted V-shaped reinforced concrete prefabricated bottom plates, and the joints of the prefabricated bottom plates are built on longitudinal beams by prefabricated bottom plate joint structure steel bar frameworks (4) and form joint connecting steel bars together with prefabricated bottom plate transverse reserved steel bars (3) extending out of the prefabricated bottom plates.
2. The composite floor slab of claim 1, wherein: the prefabricated bottom plate longitudinal prestressed reinforcement (2) can be replaced by non-prestressed reinforcement.
3. The composite floor slab of claim 1, wherein: the laminated layer concrete (5) is common concrete, light aggregate concrete or recycled concrete.
4. The composite floor slab of claim 1, wherein: the prefabricated bottom plate splicing structure steel bar framework (4) is formed by connecting two longitudinal stressed steel bars and a plurality of groove-shaped steel bars.
5. The composite floor slab of claim 4, wherein: and the two longitudinal stressed steel bars are welded with the plurality of groove-shaped steel bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810341051.9A CN108590026B (en) | 2018-04-17 | 2018-04-17 | Inverted V-shaped reinforced concrete prefabricated bottom plate for laminated floor slab and laminated slab manufactured by same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810341051.9A CN108590026B (en) | 2018-04-17 | 2018-04-17 | Inverted V-shaped reinforced concrete prefabricated bottom plate for laminated floor slab and laminated slab manufactured by same |
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| Publication Number | Publication Date |
|---|---|
| CN108590026A CN108590026A (en) | 2018-09-28 |
| CN108590026B true CN108590026B (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810341051.9A Active CN108590026B (en) | 2018-04-17 | 2018-04-17 | Inverted V-shaped reinforced concrete prefabricated bottom plate for laminated floor slab and laminated slab manufactured by same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112878564A (en) * | 2021-04-09 | 2021-06-01 | 颜杰 | High-strength concrete prefabricated composite floor slab |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD215818A1 (en) * | 1983-06-06 | 1984-11-21 | Ver Betonwerke Mittweida Veb | METHOD FOR PRODUCING FINISHED COMPOSITE RIP CEILINGS |
| CN201521048U (en) * | 2009-04-24 | 2010-07-07 | 湖南高岭建设集团股份有限公司 | Reinforced concrete prefabricated part plate with rib |
| CN102409787A (en) * | 2011-09-02 | 2012-04-11 | 吴方伯 | Reinforced concrete overlapped floor slab |
| CN103031917A (en) * | 2012-12-31 | 2013-04-10 | 清华大学建筑设计研究院有限公司 | Reinforced concrete prefabricated laminated slab with truss rib |
-
2018
- 2018-04-17 CN CN201810341051.9A patent/CN108590026B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD215818A1 (en) * | 1983-06-06 | 1984-11-21 | Ver Betonwerke Mittweida Veb | METHOD FOR PRODUCING FINISHED COMPOSITE RIP CEILINGS |
| CN201521048U (en) * | 2009-04-24 | 2010-07-07 | 湖南高岭建设集团股份有限公司 | Reinforced concrete prefabricated part plate with rib |
| CN102409787A (en) * | 2011-09-02 | 2012-04-11 | 吴方伯 | Reinforced concrete overlapped floor slab |
| CN103031917A (en) * | 2012-12-31 | 2013-04-10 | 清华大学建筑设计研究院有限公司 | Reinforced concrete prefabricated laminated slab with truss rib |
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| CN108590026A (en) | 2018-09-28 |
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