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Construction method for reducing safety risk of ribbed anchor rod retaining wall reverse construction method

A safety risk and construction method technology, applied in the direction of excavation, artificial island, sheet pile wall, etc., can solve the problems of shortened construction safety and high safety risk, and achieve the effect of improving work efficiency, increasing contact area and reducing safety risk

Active Publication Date: 2021-03-02
中铁十七局集团第五工程有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a construction method for reducing the safety risk of the ribbed anchor retaining wall reverse method in order to solve the problems of high safety risks during the construction of the existing ribbed anchor retaining wall reverse method and the inability to achieve both construction safety and shortened construction period

Method used

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  • Construction method for reducing safety risk of ribbed anchor rod retaining wall reverse construction method
  • Construction method for reducing safety risk of ribbed anchor rod retaining wall reverse construction method
  • Construction method for reducing safety risk of ribbed anchor rod retaining wall reverse construction method

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Embodiment Construction

[0047] A construction method for reducing the safety risk of the reverse construction method of a ribbed anchor retaining wall, said method comprising the following steps:

[0048] S1: Preparation of the double-knife surrounding rock cutting tool: the double-knife surrounding rock cutting tool includes a connecting frame 101, the right end surface of the connecting frame 101 is fixed with a first coupling seat 102, and the left end surface is provided with a detachably fixed Knife rest 103; the left end of knife rest 103 rotates and is provided with longitudinally placed driving shaft 104, and the front side and the rear side of driving shaft 104 are all provided with longitudinally placed driven shaft 105, and driven shaft 105 passes universal joint The shaft device 106 is connected with the driving shaft 104 in transmission; the outer ends of the two driven shafts 105 are provided with horizontally upright saw blades 107, and the front surface and the rear surface of the saw ...

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Abstract

The invention particularly relates to a construction method for reducing the safety risk of a ribbed anchor rod retaining wall reverse construction method. The problems that during existing ribbed anchor rod retaining wall reverse construction method construction, the safety risk is high, and construction safety and construction period shortening cannot be achieved at the same time are solved. Theconstruction method for reducing the safety risk of the ribbed anchor rod retaining wall reverse construction method comprises the steps that S1, a double-cutter type surrounding rock cutting tool isprepared; S2, the double-cutter type surrounding rock cutting tool is assembled and adjusted; S3, a groove is cut in a surrounding rock wall; S4, an anchor rod hole is formed; S5, a threaded steel bar anchor rod and an auxiliary structure of the threaded steel bar anchor rod are assembled; S6, the threaded steel bar anchor rod is placed in, and cement mortar is poured; S7, steel bars are bound, aformwork is erected, and concrete is poured; and S8, the threaded steel bar anchor rod is subjected to anchor sealing on the outer side of a panel. The construction method has the advantages that thestructure stress is reasonable, and the functions of an auxiliary device are complete, the safety benefit, the construction period benefit and the cost benefit are all remarkable, and the construction method can be applied and popularized in deep foundation pits, steep slopes and other occasions and can also be used for reference in similar projects.

Description

technical field [0001] The invention relates to a construction method for stonework excavation of a high slope stability protection project, in particular to a construction method for reducing the safety risk of the reverse operation method of a ribbed anchor retaining wall. Background technique [0002] The ribbed anchor retaining wall is a light protective structure developed in recent years for vertical excavation of the air surface. Because of its small amount of work and fast construction, it is widely used in deep foundation pit walls and steep high slopes. application. For the taller ribbed anchor retaining wall, the top-down construction method of segmental excavation and protection at the same time was developed. The self-weight is all borne by the anchor rod of the upper retaining wall itself (suspension function), which requires that the anchor rod of the upper retaining wall must reach the design strength. [0003] However, the practice shows that the following...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/74E02D17/20E02D29/02
CPCE02D5/74E02D17/20E02D29/02
Inventor 杨思琪王树成孙义佳邹华温爱明汪梨园赵秀春
Owner 中铁十七局集团第五工程有限公司
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