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Bracing system and construction method for construction of differential underground structure

A technology of underground structure and construction method, which is applied in the direction of basic structure engineering, excavation, construction, etc., to achieve the effect of improving material utilization, reducing the input of enclosure structure materials, and avoiding construction waste

Active Publication Date: 2019-02-12
SHANGHAI CONSTR NO 1 GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The invention provides a brace replacement system and construction method for the construction of differential underground structures to solve the problems existing in the prior art

Method used

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  • Bracing system and construction method for construction of differential underground structure
  • Bracing system and construction method for construction of differential underground structure
  • Bracing system and construction method for construction of differential underground structure

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Embodiment Construction

[0034] The present invention is described in detail below in conjunction with accompanying drawing:

[0035] Such as Figure 1-5 As shown, the present invention provides a brace replacement system for differential underground structure construction, which includes a brace replacement wall 1 located at the junction of the deep and shallow areas 100, a brace replacement wall 1 located at the side of the shallow region 100 close to the brace replacement wall 1 The bottom plate of the cast structure 2 and the supporting beam 3 located above the deep area 200, the top of the supporting wall 1 is connected to the bottom plate of the cast structure first, and one end of the supporting beam 1 is connected to the outside of the deep area 200 The other end of the retaining wall 4 is connected to the top of the supporting wall 1 or the structural bottom plate 2 . Specifically, before the excavation of the foundation pit, it is firstly divided according to the number of floors of the bas...

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Abstract

The invention discloses a support replacement system and a construction method used for construction of a stage differential type underground structure. The support replacement system comprises a support replacement wall arranged at the junction of a deep area and a shallow area, a pre-pour structural base plate which is located on the side, close to the support replacement side, of the shallow area, and a support replacement beam located above the deep area. The top end of the support replacement wall is connected with the pre-pour structural base plate. One end of the support replacement beam is connected with a retaining wall on the outer side of the deep area, and the other end of the support replacement beam is connected with the top end of the support replacement wall or the pre-pour structural base plate. According to the support replacement system, the rigidity of the pre-pour structural base plate is utilized, construction is convenient and fast, and the pouring curing time for a temporary concrete support adopted by a traditional method is omitted; and support dismantling is easy, force transmission is reliable, the integrity and continuity of a foundation pit horizontal support structure are guaranteed, and deformation of a foundation pit is effectively controlled.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a brace replacement system and a construction method for the construction of a stepped underground structure. Background technique [0002] The bracing technology is usually used in the demolition stage of the supporting structure. The commonly used bracing includes slab concrete structure, beam concrete structure and I-shaped steel beam opposite brace structure. [0003] For general foundation pits, the replacement braces are usually located between the exterior wall of the basement and the retaining wall, so as to ensure the integrity of the horizontal force transmission system after the foundation pits are demolished. This type of bracing is a beam-type or slab-type plain concrete opposite bracing structure, with clear force and permanent retention, but the span and spacing are small, and the formwork is inconvenient to erect, so it is not suitable for temporary ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D17/04
CPCE02D17/04
Inventor 徐磊申青峰花力朱正
Owner SHANGHAI CONSTR NO 1 GRP
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