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Design and construction method of rigid-flexible composite anti-seepage recoverable supporting structure

A support structure, rigid-flexible composite technology, applied in infrastructure engineering, excavation, construction, etc., to achieve the effect of high recycling value, easy recycling, and easy installation

Active Publication Date: 2016-07-06
SAFEKEY ENG TECHZHENGZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is no relevant report on the rigid-flexible composite anti-seepage recyclable support structure in China

Method used

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  • Design and construction method of rigid-flexible composite anti-seepage recoverable supporting structure
  • Design and construction method of rigid-flexible composite anti-seepage recoverable supporting structure
  • Design and construction method of rigid-flexible composite anti-seepage recoverable supporting structure

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Embodiment

[0049] The present invention will be further described below in conjunction with accompanying drawing.

[0050] A design and construction method for a rigid-flexible composite anti-seepage recyclable support structure, characterized in that, in the foundation pit support structure, the concept of mechanical manufacturing and standardized production is introduced for the first time. construction of the supporting structure. The construction process specifically includes the following steps:

[0051] (1) Construction of section steel slope protection piles, the specific steps are as follows:

[0052] (1) Processing of section steel slope protection piles: According to the design requirements, the crown beam installation hole 2 and the waist beam installation hole 4 are processed on the top of the section steel pile 1 and the corresponding position of the waist beam, and the hoisting hole 3 for later recovery is processed and penetrated Recovery steel cable 5, such as figure 1...

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Abstract

The invention relates to a design and construction method of a rigid-flexible composite anti-seepage recoverable supporting structure system. The method comprises steps as follows: (I) profile steel slope-protection piles are constructed; (II) H-shaped steel top beams and H-shaped steel breast beams are installed; (III) steel panels are installed; (IV) sequential vertical layered and sectioned excavation is performed, steps (II) and (III) are repeated, construction is performed to the design depth, and construction of the rigid-flexible composite anti-seepage recoverable supporting structure system is completed; (V) after the use function of a supporting structure is fulfilled, with the start of foundation pit backfill work, recovery work can be performed. The rigid-flexible composite anti-seepage recoverable supporting structure system constructed through the method really reflects characteristics of a temporary security measure adopted by foundation construction of foundation pit engineering and has the advantages of safety, reliability, quickness construction, advanced technology, capability of being recycled, excellent economic indices and the like.

Description

technical field [0001] The invention belongs to the technical field of excavation and support of infrastructure slopes such as civil engineering, water conservancy, mines, and municipal facilities, and specifically relates to the design and construction of rigid-flexible composite anti-seepage and recyclable support structures for excavation of foundation pits, slopes, and municipal pipelines. method. Background technique [0002] Since the founding of New China, my country's civil engineering, water conservancy, mining, municipal and other infrastructure construction have achieved world-renowned achievements. In the process of underground space utilization and mining of mineral resources, when faced with complex geological conditions, it is often necessary to take slope support measures to prevent slope creep, and sometimes the impact of groundwater needs to be considered. With the development of technology, machinery and civil engineering materials in the field of geotech...

Claims

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Application Information

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IPC IPC(8): E02D17/04E02D17/08E02D17/20
CPCE02D17/04E02D17/08E02D17/207E02D2300/0029
Inventor 王复明潘艳辉赵鹏
Owner SAFEKEY ENG TECHZHENGZHOU
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