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A prefabricated vertical component and its sleeve grouting construction method

A technology of vertical components and components, which is applied in the direction of building components, structural elements, building reinforcements, etc., can solve problems such as insufficient sleeve grouting fullness, dangerous buildings, and roof grout falling back, so as to achieve fully qualified construction quality and improve Work efficiency, the effect of meeting safety requirements

Inactive Publication Date: 2022-03-11
山东省建筑科学研究院有限公司 +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The inventor also found that, using the existing grouting sleeve construction technology, the bottom seams of the prefabricated components are made of soft elastic materials such as rubber and plastic strips, which are easily compressed and deformed under pressure for a long time, causing the top grout to fall back; the prefabricated components The bottom seam is not strictly leaking, causing the top slurry to fall; the air brought in by stirring and the air enclosed during grouting will turn up when standing, causing the top slurry to fall; the warehouse will cause the top slurry to fall; The liquid level may be lower than the height required by the minimum anchorage length 8d of steel bars caused by the fall
Insufficient sleeve grouting fullness brings great safety hazards to the project, and even becomes a dangerous building

Method used

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  • A prefabricated vertical component and its sleeve grouting construction method
  • A prefabricated vertical component and its sleeve grouting construction method
  • A prefabricated vertical component and its sleeve grouting construction method

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Embodiment 2

[0047] This embodiment discloses a sleeve grouting construction method for the prefabricated component described in Embodiment 1, and the prefabricated vertical component is a prefabricated wallboard as an example for illustration.

[0048] Such as Figure 4-Figure 5 As shown, the prefabricated wall panel is hoisted to the set position, and the steel bars of the components used to connect with the prefabricated wall panel under the prefabricated wall panel extend into the pre-embedded grouting sleeve in the prefabricated wall panel. The grout sealing material is constructed at the corresponding position of the wallboard as the slurry sealing structure 9 of the grouting layer 8 below the wallboard, and the slurry sealing structure forms the cavity structure of the grouting layer, and the components used to connect with the prefabricated wallboard It can be floor, wall or column etc.

[0049] The above-mentioned methods all adopt the existing construction method of the grouting...

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Abstract

The invention relates to a prefabricated vertical component and a sleeve grouting construction method thereof. There are multiple indicator tubes on both sides of the grouting tube. The two ends of the grouting tube and the indicator tube extend to the bottom and side of the component body respectively, and can communicate with the external space of the component body. The connection between the indicator tube and the grouting tube and the side of the component body The height of the position is higher than that of the top of the grouting sleeve, the prefabricated component and the construction method of the present invention have high construction work efficiency, and can carry out supplementary grouting, thereby ensuring engineering safety.

Description

technical field [0001] The invention relates to the technical field of grouting sleeve construction, in particular to a prefabricated vertical component and a sleeve grouting construction method thereof. Background technique [0002] The statements herein merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] In the late 1960s, Dr. Yu Zhanshu, an American scientist, invented the steel sleeve connector for connecting prefabricated vertical components, such as wall panels, columns, etc. After that, the grouting technology was used and applied to a 38-story prefabricated building for the first time ——In the prefabricated column connection of Ala Moana Hotel, it pioneered the connection of steel bars in vertical concrete structures through sleeve grouting technology. In the following decades, socket grouting connections were widely used in industrialized buildings in European and American countries. [0004]...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04C5/16E04G21/10E04G21/02E04B1/38
CPCE04C5/165E04G21/10E04G21/02E04B1/38
Inventor 宋双阳崔士起孙建东石磊李晓鹏刘文政
Owner 山东省建筑科学研究院有限公司
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