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Combined supporting construction method of steel sheet pile used in silt soil slope

A construction method and steel sheet pile technology, applied in excavation, foundation structure engineering, construction, etc., can solve problems such as sand loss, deformation, foundation pit slope instability, etc., to save labor costs, excellent stability, and meet support requirements The effect of protection

Inactive Publication Date: 2014-03-26
ANHUI HUALI CONSTR GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the traditional single support method adopts soil nail wall support or sheet pile support, which cannot solve the weak soil slope support, and is prone to sand loss, deformation, and foundation pit slope instability.

Method used

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  • Combined supporting construction method of steel sheet pile used in silt soil slope
  • Combined supporting construction method of steel sheet pile used in silt soil slope

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Experimental program
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Effect test

Embodiment Construction

[0033] The technological process of the present invention: construction preparation→earthwork excavation→soil nail wall 2 support construction→steel sheet pile 1 support construction→purlin 3, anchor pulling construction→inspection and acceptance.

[0034] Construction preparation: Familiar with construction drawings and design instructions and other design documents. Construction program review and approval has been completed. According to the construction technology disclosure and safety disclosure, various construction preparations are carried out. Material preparation, labor preparation, mechanical preparation and site preparation must meet the requirements.

[0035] Earth excavation:

[0036] 1) Calculate the excavation scope and measure and set the excavation sideline.

[0037] 2) The foundation pit shall be excavated strictly in layers and sections according to the design requirements, and the excavation of the next layer of soil shall not be carried out until th...

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Abstract

The invention relates to a combined supporting construction method of a steel sheet pile used in a silt soil slope. The steel sheet pile is arranged below the middle portion of the silt soil slope, the soil body stability of the slope is accordingly improved, the slope soil pressure is resisted, and slope collapses caused by the soil body gravity effect are avoided; on the basis that slope repairing and pat pressing are completed, soil nailing wall hanging net concrete spraying is carried out on a slope soil body to close the slope face, the slope soil body is further strengthened, and the slope instability due to sand liquefaction caused by rain water invasion is accordingly prevented. According to the combined supporting construction method, two supporting methods are used in a combined mode, a large number of labor fees and material fees are saved, the construction cycle is shortened, and the comprehensive technical performance of the combined supporting construction method exceeds the traditional supporting effect. The robustness of the combined supporting construction method is quite excellent, the supporting and water stopping effects are met, and the steel sheet pile can be repeatedly used to achieve the aim of reducing the manufacturing cost.

Description

technical field [0001] The invention relates to a construction method in construction engineering, in particular to a construction method for combined support of steel sheet piles in silty soil slopes. [0002] Background technique [0003] In construction projects, the problem of silt soil slope support is more prominent and more difficult. At present, the traditional single support method adopts soil nail wall support or sheet pile support, which cannot solve the weak soil slope support, and is prone to sand loss, deformation, and foundation pit slope instability. [0004] Contents of the invention [0005] Aiming at the problems existing in the above-mentioned prior art, the object of the present invention is to propose a construction method for steel sheet pile combined support in the silty soil slope, which successfully solves this difficult problem in the prior art . [0006] The technical scheme adopted by the present invention to achieve its purpose: a construc...

Claims

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Application Information

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IPC IPC(8): E02D17/20
Inventor 吴银国
Owner ANHUI HUALI CONSTR GRP
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