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Joint connecting piece and method for fabricated concrete pre-laying floor slabs

A node connection and concrete technology, which is applied to floors, building components, buildings, etc., can solve the problems of cumbersome construction process, structural system damage, and poor integrity, and achieve the effects of simplifying the construction process, improving in-plane rigidity, and improving bearing capacity

Inactive Publication Date: 2018-04-06
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of poor integrity and excessive in-plane deformation of the existing prefabricated concrete floor, large in-plane and out-of-plane deformations under the action of earthquakes, which easily lead to structural system damage and cumbersome construction processes

Method used

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  • Joint connecting piece and method for fabricated concrete pre-laying floor slabs
  • Joint connecting piece and method for fabricated concrete pre-laying floor slabs
  • Joint connecting piece and method for fabricated concrete pre-laying floor slabs

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specific Embodiment approach 1

[0027] Specific implementation mode one: combine Figure 1 to Figure 3 Describe this embodiment, a node connector of a prefabricated concrete pre-paved floor slab in this embodiment, which includes two pre-paved prefabricated floor slabs 3, a plurality of connectors, a plurality of two embedded parts 1 and A plurality of spiral stirrups 4, two pre-paved prefabricated floor slabs 3 are arranged horizontally adjacent to each other, at least one embedded part 1 is installed in each pre-paved prefabricated floor slab 3, and spiral stirrups are installed on each pre-paved prefabricated part 1 4. The two pre-paved prefabricated floor slabs 3 are connected by multiple connectors, and concrete 5 is poured at the connection between each embedded part 1 and the connectors.

specific Embodiment approach 2

[0028] Specific implementation mode two: combination Figure 1 to Figure 3 Describe this embodiment, the embedded part 1 of this embodiment includes a pin key plate 1-3, a peg plate 1-2 and two anchor bars 1-1, the peg plate 1-2 is vertically arranged, and the pin key plate 1-3 Horizontally fixedly installed on the bolt plate 1-2, one end of the two anchor bars 1-1 is fixedly installed on the key plate 1-3, and the other ends of the two anchor bars 1-1 extend to the pre-paved precast floor 3, a connection angle is formed between the two anchor bars 1-1. Such a design has a simple structure, and the extension of the anchor bar 1-1 increases the connection strength between the embedded part 1 and the pre-paved prefabricated floor 3, and the peg plate 1-2 is convenient to connect with another peg plate 1-2 . Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0029] Specific implementation mode three: combination figure 2 with image 3 Describe this embodiment, each spiral stirrup 4 of this embodiment is fixedly set on one anchor bar 1-1. With such a design, the firmness of the anchor bar 1-1 after pouring concrete on the pre-paved prefabricated floor 3 is increased by one-third. Other compositions and connections are the same as those in Embodiment 1 or 2.

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Abstract

The invention relates to joint connecting pieces and methods, in particular to a joint connecting piece and method for fabricated concrete pre-laying floor slabs. According to the joint connecting piece and method for the fabricated concrete pre-laying floor slabs, the problems that an existing fabricated concrete floor is poor in integrity and large in plane internal deformation, large plane internal and external deformation occurs under the earthquake effect, the structure system is prone to being damaged, and the construction process is complicated are solved. The two pre-laying prefabricated floor slabs of the joint connecting piece are arranged in a horizontally-adjacent mode; at least one pre-embedded piece is mounted in each pre-laying prefabricated floor slab; a spiral stirrup is mounted on each pre-embedded piece; and the two pre-laying prefabricated floor slabs are connected through a plurality of connecting piece bodies. The joint connecting method comprises the steps of first, preparation work before pouring of the pre-laying prefabricated floor slabs, second, pouring of the pre-laying prefabricated floor slabs, third, curing of the connecting position of the pre-layingprefabricated floor slabs and fourth, pouring of a reserved gap. The joint connecting piece and method are used for connecting of the pre-laying floor slabs.

Description

technical field [0001] The invention relates to a node connector and a connecting method thereof, in particular to a node connector of an assembled concrete pre-paved floor slab and a connecting method thereof, belonging to the technical field of civil engineering. Background technique [0002] The prefabricated concrete floor formed by prefabricated components needs to take connection measures between the prefabricated components to ensure the structural rigidity of the floor and make it work as a whole. At present, there are mainly two methods of slab connection commonly used. One is to reserve joints between the components after the components are assembled, and to use direct pouring of fine stone concrete or to arrange steel bars in high-intensity fortified areas and pour them together. The surface layer method; the other is to arrange embedded parts on the long edge of each prefabricated component, and after the components are assembled, the cover plate is welded and co...

Claims

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Application Information

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IPC IPC(8): E04B5/02E04B1/41
CPCE04B5/023E04B1/4121
Inventor 周威丛昕彧张文龙刘洋耿相日周益国许陆洋
Owner HARBIN INST OF TECH
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