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Support replacing construction structure and method for rapidly demounting first support of large foundation trench

A construction method and foundation pit technology, which is applied in the direction of basic structure engineering, excavation, construction, etc., to achieve the effect of simple process and convenient control

Inactive Publication Date: 2015-11-25
NO 2 CONSTR GRP CO LTD OF SHANGHAI CONSTR GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the steel oblique throwing brace needs to leave bracket brackets on the bottom of the foundation pit, and an additional step of chiseling the concrete pier is required when the brace is removed later; while the conventional technology uses the side wall of the foundation pit structure as the form of brace replacement , will lead to the protection of the completed wall products during the waterproofing joints of the openings on the side walls of the foundation pit structure and the removal of concrete supports in the future
In addition, the structural forms of large spaces today are mostly steel structures and concrete structures. In order to meet the needs of steel structure hoisting, the question of how long the first support can be retained has become a new topic.

Method used

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  • Support replacing construction structure and method for rapidly demounting first support of large foundation trench
  • Support replacing construction structure and method for rapidly demounting first support of large foundation trench

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Embodiment Construction

[0034] The application will be described in further detail below in conjunction with the accompanying drawings.

[0035] In the prior art, after removing the first support in a large foundation pit, it is necessary to set up replacement braces. The conventional method of brace replacement mainly adopts steel braces, or uses the structural side wall as a force transmission back brace. The steel braces need to be placed on the floor surface. The support corbels are left on the top, and an additional step of chiseling the concrete pier is required when the support is removed and replaced later. However, the conventional process of using the structural side wall as the form of brace replacement will cause problems in the protection of the finished wall in the process of reserving the waterproof joints of the side wall openings and removing the concrete support in the future. Nowadays, the structural forms of large spaces are mostly in the form of The form of steel structure and co...

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Abstract

The invention provides a support replacing construction structure and method for rapidly demounting a first support of a large foundation trench. The support replacing construction structure comprises a force transmission wall which is arranged between a foundation trench structure lateral wall and a foundation trench support and fixed to a foundation trench base plate; and the force transmission wall is of a reinforced concrete structure. The first concrete support can be rapidly demounted, and favorable conditions are further provided for hoisting construction.

Description

technical field [0001] The present application relates to the field of machinery, and in particular to a support replacement construction structure and method for quickly removing the first support in a large foundation pit. Background technique [0002] During the construction process, a large foundation pit (a foundation pit with an excavation depth greater than 10 meters) needs to be replaced after the first support is removed. [0003] In the prior art, the bracing method mainly adopts steel supporting oblique throwing bracing, or uses the structural side wall as the force transmission back bracing. Among them, the steel oblique throwing brace needs to leave bracket brackets on the bottom of the foundation pit, and an additional step of chiseling the concrete pier is required when the brace is removed later; while the conventional technology uses the side wall of the foundation pit structure as the form of brace replacement , will lead to the protection of the finished ...

Claims

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Application Information

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IPC IPC(8): E02D17/04
Inventor 龙莉波刘亚涛李伟姜春慧孙承李涛陆毅凌杰
Owner NO 2 CONSTR GRP CO LTD OF SHANGHAI CONSTR GRP
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