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Recoverable and modular deep foundation pit construction process, recoverable module and deep foundation pit support

A construction technology and deep foundation pit technology, applied in infrastructure engineering, excavation, construction, etc., can solve the problems of non-recyclable components, impact, material waste engineering, etc., to save time and effort in construction, simple and convenient operation, and reduce wet work Effect

Inactive Publication Date: 2017-11-10
河北建科唐秦建筑科技有限公司
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a recyclable modular deep foundation pit construction process to solve the technical problems in the prior art that the components in the deep foundation pit support system are not recyclable, resulting in waste of materials and impact on subsequent projects

Method used

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  • Recoverable and modular deep foundation pit construction process, recoverable module and deep foundation pit support
  • Recoverable and modular deep foundation pit construction process, recoverable module and deep foundation pit support
  • Recoverable and modular deep foundation pit construction process, recoverable module and deep foundation pit support

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Embodiment Construction

[0062] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0063] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0064] It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations...

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Abstract

The invention provides a recoverable and modular deep foundation pit construction process, a recoverable module and a deep foundation pit support and belongs to the technical field of deep foundation pit excavation and supporting. The process comprises the following steps that a foundation pit is dug down; a first anchor cable hole is formed, a first anchor cable is put in, and a grouting stop plug is installed for grouting; a second anchor cable hole is formed, a second anchor cable is put in, and a grouting stop plug is installed for grouting; modules and connecting fasteners are installed; a prestressing force is exerted to the first anchor cable and the second anchor cable to for a first layer of supporting; the operations are repeated to form multiple layers of supporting; modules, anchor cables and connecting fasteners of the last layer of supporting are recovered, soil is backfilled to the bottom surface of the second layer of supporting till the first layer of supporting is recovered. A soil body surrounding a deep foundation pit is supported and retained by adopting the modules and anchor cables jointly, the modules can be recycled, and materials waste and construction cost are reduced.

Description

technical field [0001] The invention belongs to the technical field of deep foundation pit excavation and support, and more specifically relates to a recyclable modular deep foundation pit construction technology, a recyclable module used in the construction technology and deep foundation pit support. Background technique [0002] In construction projects, due to the depth of buildings and the use of underground garages, equipment rooms, and underground space, it is often necessary to excavate the soil. In order to ensure the construction of surrounding buildings, roads, pipelines, and foundation pits during excavation In order to ensure the safety of the foundation pit, it is necessary to support the soil outside the excavation range to ensure the safety of the foundation pit. At present, most of the support and retaining systems use disposable piles, soil nail walls or a combination of the two. After the foundation pit is backfilled, it loses its function. Because it is no...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04
CPCE02D17/04
Inventor 王维玉高幸王利广李仕良赵拓王凤恩窦炳康王红刘英辉刘国华范晓雨薛海鹏田少义刘兰豹
Owner 河北建科唐秦建筑科技有限公司
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