CN215716420U - Prefabricated floor middle part support connection structure - Google Patents
Prefabricated floor middle part support connection structure Download PDFInfo
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- CN215716420U CN215716420U CN202122340084.1U CN202122340084U CN215716420U CN 215716420 U CN215716420 U CN 215716420U CN 202122340084 U CN202122340084 U CN 202122340084U CN 215716420 U CN215716420 U CN 215716420U
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Abstract
The utility model provides a connecting structure of a middle support of a prefabricated floor slab, which comprises a cast-in-place support beam, a first floor slab, a second floor slab, a first cast-in-place reinforcing mesh, a second cast-in-place reinforcing mesh and a post-cast concrete layer, wherein the first cast-in-place support beam is arranged on the first floor slab; the cast-in-place support beam comprises a reinforcement cage arranged in the cast-in-place support beam, a first floor plate extends out of the end part of a first pre-buried reinforcement mesh and extends into the cast-in-place support beam to be fixed with the reinforcement cage, and a second floor plate extends out of the end part of a second pre-buried reinforcement mesh and extends into the cast-in-place support beam to be fixed with the reinforcement cage; the cast-in-place concrete floor is characterized in that a first cast-in-place reinforcing mesh is arranged on the first floor, the first cast-in-place reinforcing mesh is fixed to the top of the first connecting rib, the end portion of the first cast-in-place reinforcing mesh is bent downwards and extends into the cast-in-place support beam to be fixed with the reinforcing cage, a second cast-in-place reinforcing mesh is fixed to the top of the second connecting rib, the end portion of the second cast-in-place reinforcing mesh is bent downwards and extends into the cast-in-place support beam to be fixed with the reinforcing cage, and post-cast concrete layers are arranged in the first floor, the second floor and the cast-in-place support beam and are connected in a pouring mode.
Description
Technical Field
The utility model relates to the field of assembly type buildings, in particular to a middle support connecting structure 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 direct vertical pouring connection of the unequal-height parallel connection parts of adjacent prefabricated floor slabs in the prior art has poor connection strength, easily causes the cracking phenomenon of the connection parts, and therefore, a prefabricated floor slab splicing joint connection node structure is needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a middle support connecting structure of a prefabricated floor slab, aiming at the defects and shortcomings of the prior art, by adopting the structure, a cast-in-place support beam is arranged at the junction of a first floor slab and a second floor slab for supporting and connecting, a pre-buried reinforcing bar is arranged for connecting with a cast-in-place reinforcing bar net, the connecting strength of the connecting part is high, the cracking phenomenon at the connecting 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 middle support connecting structure of a prefabricated floor slab comprises a cast-in-place support beam, a first floor slab, a second floor slab, a first cast-in-place reinforcing mesh, a second cast-in-place reinforcing mesh and a post-cast concrete layer; the first floor slab and the second floor slab are both of precast reinforced concrete floor slab structures, the first floor slab and the second floor slab are connected in parallel at different heights, and the joint of the first floor slab and the second floor slab is provided with a cast-in-place support beam for supporting connection; the first floor comprises a first embedded reinforcement net horizontally arranged in the first floor and a first connecting rib vertically arranged in the first floor, the first connecting rib is an inverted V-shaped structural rib, the bottom of the first connecting rib is fixed with the first embedded reinforcement net, and the top of the first connecting rib extends out of the first floor; the second floor comprises a second embedded reinforcement net horizontally arranged in the second floor and a second connecting rib vertically arranged in the second floor, the second connecting rib is an inverted V-shaped structural rib, the bottom of the second connecting rib is fixed with the second embedded reinforcement net, and the top of the second connecting rib extends out of the second floor; the cast-in-place support beam comprises a reinforcement cage arranged in the cast-in-place support beam, a first floor plate extends out of the end part of a first pre-buried reinforcement mesh and extends into the cast-in-place support beam to be fixed with the reinforcement cage, and a second floor plate extends out of the end part of a second pre-buried reinforcement mesh and extends into the cast-in-place support beam to be fixed with the reinforcement cage; the cast-in-place concrete floor is characterized in that a first cast-in-place reinforcing net is arranged on the first floor, the first cast-in-place reinforcing net is fixed to the top of the first connecting rib, the end portion of the first cast-in-place reinforcing net bends downwards and extends into a cast-in-place support beam to be fixed with a reinforcing cage, a second cast-in-place reinforcing net is arranged on the second floor, the second cast-in-place reinforcing net is fixed to the top of the second connecting rib, the end portion of the second cast-in-place reinforcing net bends downwards and extends into the cast-in-place support beam to be fixed with the reinforcing cage, the second cast-in-place reinforcing net and the first cast-in-place reinforcing net are arranged in an overlapping and crossed mode, and a rear cast-in concrete layer is arranged in the first floor, the second floor and the cast-in-place support beam to be connected in a pouring mode.
Preferably, the first floor is higher than the second floor.
Preferably, the cast-in-place support beam is of a rectangular section structure.
The utility model has the beneficial effects that: by adopting the structure, the cast-in-place support beam is arranged at the junction of the first floor slab and the second floor slab for supporting and connecting, the embedded reinforcing bars are arranged for connecting with the cast-in-place reinforcing bar net, 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.
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 connection structure of a middle support of a precast floor slab.
Wherein: the concrete-reinforced concrete floor structure comprises a cast-in-place support beam 1, a first floor 2, a second floor 3, a post-cast concrete layer 4, a reinforcement cage 1-1, a first pre-embedded reinforcement net 2-1, a first connecting rib 2-2, a first cast-in-place reinforcement net 2-3, a second pre-embedded reinforcement net 3-1, a second connecting rib 3-2 and a second cast-in-place reinforcement net 3-3.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in the figure, the middle support connecting structure of the prefabricated floor slab comprises a cast-in-place support beam 1, a first floor slab 2, a second floor slab 3, a first cast-in-place reinforcing mesh 2-3, a second cast-in-place reinforcing mesh 3-3 and a post-cast concrete layer 4; the first floor 2 and the second floor 3 are both of precast reinforced concrete floor structures, the first floor 2 and the second floor 3 are connected in parallel at different heights, and a cast-in-place support beam 1 is arranged at the joint of the first floor 2 and the second floor 3 for supporting connection; the first floor 2 comprises a first embedded reinforcement net 2-1 horizontally arranged in the first floor and a first connecting rib 2-2 vertically arranged in the first floor, the first connecting rib 2-2 is an inverted V-shaped structural rib, the bottom of the first connecting rib 2-2 is fixed with the first embedded reinforcement net 2-1, and the top of the first connecting rib 2-2 extends out of the first floor 2; the second floor 3 comprises a second embedded reinforcement 3-1 net horizontally arranged in the second floor and a second connecting reinforcement 3-2 vertically arranged in the second floor, the second connecting reinforcement 3-2 is an inverted V-shaped structural reinforcement, the bottom of the second connecting reinforcement 3-2 is fixed with the second embedded reinforcement net 3-1, and the top of the second connecting reinforcement 3-2 extends out of the second floor 3; the cast-in-place support beam 1 comprises a reinforcement cage 1-1 arranged in the cast-in-place support beam, a first floor plate 2 extends out of the end part of a first embedded reinforcement net 2-1 and extends into the cast-in-place support beam 1 to be fixed with the reinforcement cage 1-1, and a second floor plate 3 extends out of the end part of a second embedded reinforcement net 3-1 and extends into the cast-in-place support beam 1 to be fixed with the reinforcement cage 1-1; the cast-in-place concrete floor is characterized in that a first cast-in-place reinforcing net 2-3 is arranged on the first floor 2, the first cast-in-place reinforcing net 2-3 is fixed to the top of a first connecting rib 2-2, the end part of the first cast-in-place reinforcing net 2-3 is bent downwards and extends into a cast-in-place support beam 1 to be fixed to a reinforcing cage 1-1, a second cast-in-place reinforcing net 3-1 is arranged on the second floor 3, the second cast-in-place reinforcing net 3-3 is fixed to the top of a second connecting rib 3-2, the end part of the second cast-in-place reinforcing net 3-3 is bent downwards and extends into the cast-in-place support beam 1 to be fixed to the reinforcing cage 1-1, the second cast-in-place reinforcing net 3-3 is arranged in an overlapping and crossing mode with the first cast-in-place reinforcing net 2-3, and a cast-in-place support beam 1 is internally provided with a post-cast concrete layer 4 for pouring connection.
In specific implementation, the first floor 2 is higher than the second floor 3.
In specific implementation, the cast-in-place support beam 1 is of a rectangular section structure.
Claims (3)
1. The utility model provides a prefabricated floor middle part support connection structure which characterized in that: the cast-in-place concrete floor comprises a cast-in-place support beam, a first floor slab, a second floor slab, a first cast-in-place reinforcing mesh, a second cast-in-place reinforcing mesh and a post-cast concrete layer; the first floor slab and the second floor slab are both of precast reinforced concrete floor slab structures, the first floor slab and the second floor slab are connected in parallel at different heights, and the joint of the first floor slab and the second floor slab is provided with a cast-in-place support beam for supporting connection; the first floor comprises a first embedded reinforcement net horizontally arranged in the first floor and a first connecting rib vertically arranged in the first floor, the first connecting rib is an inverted V-shaped structural rib, the bottom of the first connecting rib is fixed with the first embedded reinforcement net, and the top of the first connecting rib extends out of the first floor; the second floor comprises a second embedded reinforcement net horizontally arranged in the second floor and a second connecting rib vertically arranged in the second floor, the second connecting rib is an inverted V-shaped structural rib, the bottom of the second connecting rib is fixed with the second embedded reinforcement net, and the top of the second connecting rib extends out of the second floor; the cast-in-place support beam comprises a reinforcement cage arranged in the cast-in-place support beam, a first floor plate extends out of the end part of a first pre-buried reinforcement mesh and extends into the cast-in-place support beam to be fixed with the reinforcement cage, and a second floor plate extends out of the end part of a second pre-buried reinforcement mesh and extends into the cast-in-place support beam to be fixed with the reinforcement cage; the cast-in-place concrete floor is characterized in that a first cast-in-place reinforcing net is arranged on the first floor, the first cast-in-place reinforcing net is fixed to the top of the first connecting rib, the end portion of the first cast-in-place reinforcing net bends downwards and extends into a cast-in-place support beam to be fixed with a reinforcing cage, a second cast-in-place reinforcing net is arranged on the second floor, the second cast-in-place reinforcing net is fixed to the top of the second connecting rib, the end portion of the second cast-in-place reinforcing net bends downwards and extends into the cast-in-place support beam to be fixed with the reinforcing cage, the second cast-in-place reinforcing net and the first cast-in-place reinforcing net are arranged in an overlapping and crossed mode, and a rear cast-in concrete layer is arranged in the first floor, the second floor and the cast-in-place support beam to be connected in a pouring mode.
2. The precast floor slab middle support connection structure according to claim 1, wherein: the first floor is higher than the second floor.
3. The precast floor slab middle support connection structure according to claim 1, wherein: the cast-in-situ support beam is of a rectangular section structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122340084.1U CN215716420U (en) | 2021-09-26 | 2021-09-26 | Prefabricated floor middle part support connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122340084.1U CN215716420U (en) | 2021-09-26 | 2021-09-26 | Prefabricated floor middle part support connection structure |
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| Publication Number | Publication Date |
|---|---|
| CN215716420U true CN215716420U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122340084.1U Active CN215716420U (en) | 2021-09-26 | 2021-09-26 | Prefabricated floor middle part support connection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434466A (en) * | 2022-10-21 | 2022-12-06 | 中建八局浙江建设有限公司 | Connecting structure of floor slabs with height difference and construction method thereof |
-
2021
- 2021-09-26 CN CN202122340084.1U patent/CN215716420U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434466A (en) * | 2022-10-21 | 2022-12-06 | 中建八局浙江建设有限公司 | Connecting structure of floor slabs with height difference and construction method thereof |
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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. |