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Supporting truss capable of being recycled, foundation pit supporting system and subway station construction method

A support truss and foundation pit support technology, which is applied in the construction of subway stations and the field of support trusses, can solve the problems of high construction difficulty of foundation pit support systems, achieve the effects of shortening the construction period, reducing the difficulty of dismantling, and reducing the difficulty of construction

Pending Publication Date: 2020-06-12
CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP
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  • Abstract
  • Description
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Problems solved by technology

[0004] In view of this, the embodiment of the present application expects to provide a construction method for the support truss, the foundation pit support system and the subway station, so as to solve the problem of high difficulty in the construction of the foundation pit support system

Method used

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  • Supporting truss capable of being recycled, foundation pit supporting system and subway station construction method
  • Supporting truss capable of being recycled, foundation pit supporting system and subway station construction method
  • Supporting truss capable of being recycled, foundation pit supporting system and subway station construction method

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Embodiment Construction

[0029] It should be noted that, in the case of no conflict, the embodiments in the application and the technical features in the embodiments can be combined with each other. Undue Limitation of This Application.

[0030] The orientation terms described in this application are only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a reference to this application. limits.

[0031] During the construction of the foundation pit of the subway station, the enclosure body 200 is usually constructed before excavation, and then the foundation pit support system is continued to be constructed in the foundation pit while excavating from top to bottom. When digging to the bottom, start to build the subway station from bottom to top. During this process, start...

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Abstract

The application provides a supporting truss capable of being recycled, a foundation pit supporting system and a subway station construction method. The supporting truss is used in the foundation pit supporting system of a construction subway station and comprises two chord members and a web member, the two chord members are arranged at interval and in an up and down mode, and the two ends of eachchord member are detachably connected to an enclosure body of the foundation pit supporting system; and the web member is connected between the upper chord member and the lower chord member. Accordingto the supporting truss, the supporting truss is spliced by using the prefabricated chord members and the web member, so that the construction process of cast-in-place concrete forming of the supporting truss is omitted, after the supporting work is completed, direct detaching can be conducted, the construction difficulty of the supporting truss is reduced accordingly, and meanwhile, the construction period is also shortened.

Description

technical field [0001] The application relates to the technical field of subway station foundation pit construction, in particular to a reusable support truss, a foundation pit support system and a construction method for a subway station. Background technique [0002] During the construction of the subway station, in order to prevent the soil around the foundation pit from collapsing into the foundation pit and affecting the normal construction work of the station, it is necessary to support the foundation pit. Usually, enclosures are used for enclosure before excavation, and then support members are used to support the enclosure after excavation to prevent enclosure failure. As part of the support system in the foundation pit, the support members undertake a large amount of supporting work. [0003] In the current technology, the supporting components are usually integrally formed by pouring concrete, which has a long construction period and a large workload, resulting in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04E02D29/045
CPCE02D17/04E02D29/04
Inventor 林蓼徐军林闫顺刘汉凯李建军费金新杨宗元
Owner CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP
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