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Foundation pit support system and building method thereof

A foundation pit support and construction method technology, applied in excavation, construction, foundation structure engineering, etc., can solve the problems of reduced construction efficiency, large environmental impact, unfavorable pile foundation engineering and foundation pit structure construction and operation, etc., to achieve Improve construction efficiency and reduce construction waste

Pending Publication Date: 2019-04-05
深圳市前海世茂投资管理有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the traditional method has the following disadvantages: the horizontal brace structure is a temporary structure, and a large amount of construction waste will be generated when it is demolished; the horizontal brace structure system often conflicts with the foundation pit structure system, whic

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  • Foundation pit support system and building method thereof
  • Foundation pit support system and building method thereof
  • Foundation pit support system and building method thereof

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[0030] The specific implementation of the present invention will be described in more detail below in conjunction with the schematic diagram. According to the following description and claims, the advantages and features of the present invention will be clearer. It should be noted that the drawings are in a very simplified form and all use imprecise proportions, which are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0031] In the following, the terms "first", "second", etc. are used to distinguish between similar elements, and are not necessarily used to describe a specific order or time sequence. It is to be understood that these terms so used can be replaced under appropriate circumstances.

[0032] The foundation pit near the subway is very sensitive to deformation, and the support method of underground continuous wall + horizontal bracing structure is usually adopted. This support method has large rigidi...

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Abstract

The invention provides a foundation pit support system. The foundation pit support system is used for providing support for a foundation pit and comprises a first row pile, a second row pile and a third row pile, and the first row pile, the second row pile and the third row pile all comprise several supporting piles; the first row pile, the second row pile and the third row pile are arranged in sequence; the second row pile is connected with the first row pile and the third row pile separately in the height direction through several cant beams, several horizontal beams and several concrete wallboards to form the foundation pit support system. According to the foundation pit support system, all the row piles are connected through the cant beams and the horizontal beams to form a truss structure, the stiffness of the truss structure is large, and the stiffness of the foundation pit support system is greatly improved. By means of the foundation pit support system, when the supporting piles need to be recycled, partial supporting piles can be taken out and recycled, and do not need to be taken out when the supporting piles do not need to be recycled, and thus a large amount of buildingrubbish is reduced; meanwhile, the foundation pit support system cannot hinder construction inside the foundation pit, and therefore, the construction efficiency is improved.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a foundation pit support system and a construction method thereof. Background technique [0002] With the rapid development of the modern construction industry, a large number of subway projects have begun to be constructed. When the foundation pit of the proposed building is close to the existing subway track line, safe and reliable support methods should be adopted to reduce the vibration impact of the foundation pit excavation of the proposed building on the track. [0003] The foundation pit near the subway is very sensitive to deformation, and the support method of underground diaphragm wall + horizontal brace structure is usually used. This support method has high rigidity and small deformation, so it has been widely used in soft soil geological conditions. However, the traditional method has the following disadvantages: the horizontal brace structure is a temporary s...

Claims

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Application Information

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IPC IPC(8): E02D17/04
CPCE02D17/04
Inventor 李琰姚攀
Owner 深圳市前海世茂投资管理有限公司
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