CN215829740U - Prefabricated floor piece joint department connected node structure - Google Patents
Prefabricated floor piece joint department connected node structure Download PDFInfo
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- CN215829740U CN215829740U CN202121958771.3U CN202121958771U CN215829740U CN 215829740 U CN215829740 U CN 215829740U CN 202121958771 U CN202121958771 U CN 202121958771U CN 215829740 U CN215829740 U CN 215829740U
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Abstract
The utility model provides a prefabricated floor joint connecting node structure, which comprises a first floor, a second floor, a pre-buried reinforcing mesh, reinforcing ribs, pre-buried connecting ribs, a cast-in-place reinforcing mesh, local reinforcing ribs and a post-cast concrete layer, wherein the first floor is a hollow structure; the first floor slab and the second floor slab are horizontally spliced, embedded reinforcement nets which are horizontally arranged and embedded connecting ribs which are vertically arranged are arranged in the first floor slab and the second floor slab, the embedded reinforcement nets on the two sides are overlapped at the splicing positions, the end parts of the embedded reinforcement nets are bent upwards to form barb shapes, and through-length reinforcing ribs are uniformly arranged at the overlapping area of the embedded reinforcement nets on the two ends for reinforcing connection; the bottom of the embedded connecting bar is fixedly connected with the embedded reinforcing mesh, the upper end of the embedded connecting bar extends out of the surfaces of the first floor and the second floor, a cast-in-situ reinforcing mesh is arranged above the first floor and the second floor, and the upper end of the embedded connecting bar is fixedly connected with the cast-in-situ reinforcing mesh.
Description
Technical Field
The utility model relates to the field of assembly type buildings, in particular to a connecting node structure at a splicing joint of a prefabricated floor slab.
Background
The fabricated building is a building which is formed by transferring a large amount of field operation work in the traditional construction mode to a factory, processing and manufacturing building components and accessories (such as floor slabs, wall slabs, stairs, balconies and the like) in the factory, transporting the components and accessories to a building construction site, and assembling and installing the components and the accessories on the site in a reliable connection mode. The joint strength of the splicing joints of adjacent prefabricated floor slabs in the prior art is poor, so that the cracking phenomenon of the joints is easily caused, and therefore, a prefabricated floor slab splicing joint structure is needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a prefabricated floor joint structure aiming at the defects and shortcomings of the prior art, and by adopting the structure, pre-embedded reinforcement nets of prefabricated floors on two sides are arranged in an overlapping mode, the end parts of the pre-embedded reinforcement nets are bent upwards to form an inverted hook shape, reinforcing ribs are arranged to reinforce the overlapping part, full-length local reinforcing ribs are uniformly arranged on the cast-in-place reinforcement nets corresponding to the splicing connection part of the first floor and the second floor to reinforce the connection part, the strength of a plastering layer is enhanced by matching with an alkali-resistant glass fiber net grid cloth layer, the connection strength of the connection part is high, the cracking phenomenon at the connection part can be reduced, and the construction treatment is good.
In order to achieve the purpose, the utility model adopts the technical scheme that: a prefabricated floor joint connecting node structure comprises a first floor, a second floor, a pre-buried reinforcing mesh, reinforcing ribs, pre-buried connecting ribs, a cast-in-place reinforcing mesh, local reinforcing ribs and a post-cast concrete layer; the first floor slab and the second floor slab are both prefabricated reinforced concrete slab structures, the first floor slab and the second floor slab are horizontally spliced, embedded reinforcement nets horizontally arranged and embedded connecting ribs vertically arranged are arranged in the first floor slab and the second floor slab, the embedded reinforcement nets on two sides are overlapped at the splicing positions and the end parts of the embedded reinforcement nets are bent upwards to form barb shapes, and through-length reinforcing ribs are uniformly arranged at the overlapping area positions of the embedded reinforcement nets on two ends for reinforcing connection; the embedded connecting bars are inverted-V-shaped steel bars, the bottoms of the embedded connecting bars are fixedly connected with an embedded reinforcement net, the upper ends of the embedded connecting bars extend out of the surfaces of the first floor and the second floor, a cast-in-situ reinforcement net is arranged above the first floor and the second floor, and the upper ends of the embedded connecting bars are fixedly connected with the cast-in-situ reinforcement net; the cast-in-place reinforcement mesh is uniformly provided with through-long local reinforcing ribs for reinforcing connection at the splicing connection part of the first floor slab and the second floor slab, and post-cast concrete layers are arranged on the first floor slab and the second floor slab and at the connection part of the first floor slab and the second floor slab for pouring connection.
Preferably, a cement mortar plastering layer is constructed on the bottom surfaces of the first floor slab and the second floor slab.
Preferably, an alkali-resistant glass fiber mesh cloth layer is arranged in the plastering layer corresponding to the joint of the first floor and the second floor.
Preferably, the width of the alkali-resistant glass fiber mesh layer is 400 mm.
The utility model has the beneficial effects that: by adopting the structure, the embedded reinforcing meshes of the prefabricated floor slabs on two sides are arranged in an overlapping mode, the end parts of the embedded reinforcing meshes are bent upwards to form an inverted hook shape, reinforcing ribs are arranged to reinforce and connect the overlapping parts, the through-long local reinforcing ribs are uniformly arranged on the cast-in-place reinforcing meshes corresponding to the splicing connection parts of the first floor slab and the second floor slab, the strength of the plastering layer is enhanced by matching with the alkali-resistant glass fiber mesh layer, the connection strength of the connection parts is high, the cracking phenomenon of the connection parts can be reduced, and the construction treatment is good.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model.
FIG. 1 is a schematic view of a joint structure at a splicing joint of a prefabricated floor slab.
Wherein: the floor comprises a first floor 1, a second floor 2, a pre-buried reinforcing mesh 3, reinforcing ribs 4, pre-buried connecting ribs 5, a cast-in-place reinforcing mesh 6, local reinforcing ribs 7, a post-cast concrete layer 8, a plastering layer 9 and an alkali-resistant glass fiber gridding cloth layer 10.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in the figure, the prefabricated floor slab joint connecting node structure comprises a first floor slab 1, a second floor slab 2, a pre-embedded reinforcement mesh 3, reinforcing ribs 4, pre-embedded connecting ribs 5, a cast-in-place reinforcement mesh 6, local reinforcing ribs 7 and a post-cast concrete layer 8; the first floor slab 1 and the second floor slab 2 are both prefabricated reinforced concrete slab structures, the first floor slab 1 and the second floor slab 2 are horizontally spliced, embedded reinforcement nets 3 which are horizontally arranged and embedded connecting ribs 5 which are vertically arranged are arranged in the first floor slab 1 and the second floor slab 2, the embedded reinforcement nets 3 on two sides are overlapped at the spliced part and the end parts of the embedded reinforcement nets 3 are bent upwards to form a barb shape, and through-length reinforcing ribs 4 are uniformly arranged at the overlapped area of the embedded reinforcement nets 3 on two ends for reinforcing connection; the embedded connecting bars 5 are inverted V-shaped steel bars, the bottoms of the embedded connecting bars 5 are fixedly connected with an embedded reinforcing mesh 6, the upper ends of the embedded connecting bars 5 extend out of the surfaces of the first floor slab 1 and the second floor slab 2, a cast-in-place reinforcing mesh 3 is arranged above the first floor slab 1 and the second floor slab 2, and the upper ends of the embedded connecting bars 5 are fixedly connected with the cast-in-place reinforcing mesh 3; the cast-in-place reinforcing bar net 3 is uniformly provided with through-long local reinforcing bars 8 for reinforcing connection at the splicing connection part of the first floor board 1 and the second floor board 2, and a post-cast concrete layer 8 is arranged at the connection part of the first floor board 1 and the second floor board 2 and the connection part of the first floor board 1 and the second floor board 2 for pouring connection.
When the concrete implementation is carried out, a layer of cement mortar plastering layer 9 is built on the bottom surfaces of the first floor board 1 and the second floor board 2.
In specific implementation, an alkali-resistant glass fiber mesh fabric layer 10 is arranged in the plastering layer 9 corresponding to the joint of the first floor slab 1 and the second floor slab 2.
In specific implementation, the width of the alkali-resistant fiberglass mesh layer 10 is 400 mm.
Claims (4)
1. The utility model provides a prefabricated floor piece department connected node structure which characterized in that: the reinforced concrete floor comprises a first floor slab, a second floor slab, a pre-buried reinforcing mesh, reinforcing ribs, pre-buried connecting ribs, a cast-in-place reinforcing mesh, local reinforcing ribs and a post-cast concrete layer; the first floor slab and the second floor slab are both prefabricated reinforced concrete slab structures, the first floor slab and the second floor slab are horizontally spliced, embedded reinforcement nets horizontally arranged and embedded connecting ribs vertically arranged are arranged in the first floor slab and the second floor slab, the embedded reinforcement nets on two sides are overlapped at the splicing positions and the end parts of the embedded reinforcement nets are bent upwards to form barb shapes, and through-length reinforcing ribs are uniformly arranged at the overlapping area positions of the embedded reinforcement nets on two ends for reinforcing connection; the embedded connecting bars are inverted-V-shaped steel bars, the bottoms of the embedded connecting bars are fixedly connected with an embedded reinforcement net, the upper ends of the embedded connecting bars extend out of the surfaces of the first floor and the second floor, a cast-in-situ reinforcement net is arranged above the first floor and the second floor, and the upper ends of the embedded connecting bars are fixedly connected with the cast-in-situ reinforcement net; the cast-in-place reinforcement mesh is uniformly provided with through-long local reinforcing ribs for reinforcing connection at the splicing connection part of the first floor slab and the second floor slab, and post-cast concrete layers are arranged on the first floor slab and the second floor slab and at the connection part of the first floor slab and the second floor slab for pouring connection.
2. The precast floor slab joint connection node structure according to claim 1, characterized in that: and a cement mortar plastering layer is constructed on the bottom surfaces of the first floor slab and the second floor slab.
3. The precast floor slab joint connection node structure according to claim 2, characterized in that: and an alkali-resistant glass fiber gridding cloth layer is arranged in the plastering layer corresponding to the joint of the first floor and the second floor.
4. The precast floor slab joint connection node structure according to claim 3, characterized in that: the width of the alkali-resistant glass fiber gridding cloth layer is 400 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121958771.3U CN215829740U (en) | 2021-08-19 | 2021-08-19 | Prefabricated floor piece joint department connected node structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121958771.3U CN215829740U (en) | 2021-08-19 | 2021-08-19 | Prefabricated floor piece joint department connected node structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215829740U true CN215829740U (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121958771.3U Active CN215829740U (en) | 2021-08-19 | 2021-08-19 | Prefabricated floor piece joint department connected node structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215829740U (en) |
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2021
- 2021-08-19 CN CN202121958771.3U patent/CN215829740U/en active Active
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| GR01 | Patent grant | ||
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Address after: 518200 shengteng science and Technology Industrial Park, west of Jianshe West Road, EBU Town, Shenzhen Shantou Special Cooperation Zone, Guangdong Province Patentee after: Shenzhen Special Economic Zone Construction Engineering Technology Group Shengteng Technology Co.,Ltd. Address before: 518200 shengteng science and Technology Industrial Park, west of Jianshe West Road, EBU Town, Shenzhen Shantou Special Cooperation Zone, Guangdong Province Patentee before: Shenzhen Shenshan special cooperation zone shengteng Technology Co.,Ltd. |