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Permanent and temporary combined prefabricated internal support system and construction method

A technology that combines a support system and a combination of permanent and permanent applications. It is applied in infrastructure engineering, excavation, construction, etc. It can solve the problems of inability to turn around, slow construction speed, and long maintenance time, so as to shorten the construction period, improve construction efficiency, and make reasonable adjustments. Effect

Pending Publication Date: 2020-10-16
SHANGHAI MECHANIZED CONSTR GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problems of many construction procedures, long maintenance time, slow construction speed and inability to turn over and utilize the existing technology, the purpose of the present invention is to provide a forever-integrated assembled inner support system and construction method, which has the advantages of fast construction speed and low turnover. Advantages of using green environmental protection

Method used

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  • Permanent and temporary combined prefabricated internal support system and construction method
  • Permanent and temporary combined prefabricated internal support system and construction method
  • Permanent and temporary combined prefabricated internal support system and construction method

Examples

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Embodiment Construction

[0041] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0042] A perpetual combined assembled inner support system, such as figure 1 and figure 2 As shown, including the foundation pit 1, the inner wall of the foundation pit 1 is provided with an underground diaphragm wall 2, and the underground diaphragm wall 2 is fixed with the first concrete support 16 in the foundation pit 1, and the first concrete support 16 is horizontally arranged in the foundation pit 1. A plurality of steel supports 3, the two ends of the steel supports 3 are respectively connected with both sides of the underground diaphragm wall 2, to realize the horizontal support for the foundation pit 1, and the underground diaphragm wall 2 adopts permanent and temporary combination below the first concrete support 16 Assembled internal support system, the inner wall of the foundation pit 1 and the end of the steel support 3 are provided with a par...

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Abstract

The invention discloses a permanent and temporary combined prefabricated internal support system and a construction method, and relates to the technical field of ultra-deep foundation pit engineeringconstruction. The structure of the support system comprises a foundation pit, an underground continuous wall is arranged on the inner wall of the foundation pit, and a plurality of steel supports arearranged horizontally in the foundation pit; partial permanent structures are arranged at the positions, corresponding to the end parts of the steel supports, of the inner wall of the foundation pit,and temporary structures are connected between the end parts of the steel supports and the partial permanent structures. Aiming at the problems of multiple construction procedures, long maintenance time, slow construction speed, and being incapable of recycling utilization in the prior art, the purpose is to provide the permanent and temporary combined prefabricated internal support system and theconstruction method, and the support system and the construction method have the advantages of fast construction speed and environment-friendly recycling.

Description

technical field [0001] The invention relates to the technical field of ultra-deep foundation pit engineering construction, and more specifically, it relates to a permanent combined assembly type internal support system and a construction method. Background technique [0002] With the continuous advancement of urban construction, building foundation pits in soft soil areas or foundation pits of subway stations will become deeper and deeper. Generally, for the support system in ultra-deep foundation pits in soft soil areas, cast-in-place concrete supports and concrete purlins with higher rigidity are mainly selected, which are safe and reliable. The steel pipe support is generally only used in shallow foundation pits due to its small bearing capacity and poor rigidity. [0003] Concrete supports and purlins for ultra-deep foundation pits mainly have the following deficiencies: [0004] 1. After the structural construction is completed, the concrete supports and concrete purl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04
CPCE02D17/04E02D2220/00E02D2300/0045E02D2600/40
Inventor 周锋吴晓风胡锦冯琰应晔吴欣之
Owner SHANGHAI MECHANIZED CONSTR GRP
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