Structure and method for anchor net cable-shape steel support coupling supporting

A technology of coupling support and anchor net cable, which is applied in earthwork drilling, wellbore lining, tunnel lining, etc., can solve the problems of support failure, roadway roof fall, landslide, etc., and achieve uniform deformation, low cost and good support performance Effect

Inactive Publication Date: 2014-03-05
CHINA UNIV OF MINING & TECH (BEIJING)
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Problems solved by technology

[0003] The purpose of the present invention is to provide an anchor net cable-shaped steel bracket coupling support structure and support method that adapt to the deformation characteristics of deep soft rock roadways to ensure the stability of the roadway, so as to solve the problems caused by the large deformation of the roadway in the prior art. Problems of support failure, roadway roof fall and landslide

Method used

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  • Structure and method for anchor net cable-shape steel support coupling supporting

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Embodiment Construction

[0025] figure 1 Shown is a schematic diagram of an anchor mesh cable-shaped steel bracket coupling support structure according to an embodiment of the present invention. Such as figure 1 As shown, the supporting structure of this embodiment includes an anchor rod 1 , an anchor cable 2 , an anchor net 3 , and a shaped steel support 4 . The number of anchor rods 1 and anchor cables 2 is multiple, and they are respectively driven into the roadway surrounding rock 100 from the inner top surface 10 of the roadway surrounding rock 100, and the anchor net 3 is laid on the inner top surface 10 of the roadway surrounding rock 100 and is connected with the anchor rod. 1 and the anchor cable 2 extend out of the end of the inner top surface 10 of the roadway surrounding rock 100 and are fixed;

[0026] In one embodiment, the anchor rod 1 and the anchor cable 2 are preferably the anchor rod 1 and the anchor cable 2 with constant resistance and large deformation.

[0027] Supporting meth...

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Abstract

The invention provides a structure and method for anchor net cable-shape steel support coupling supporting. The anchor net cable-shape steel support coupling supporting structure comprises anchor rods, anchor cables, an anchor net and a shape steel support. The number of anchor rods is a lot, the number of the anchor cables is a lot, the anchor rods and the anchor cables enter a roadway surrounding rock respectively from the inner top surface of the roadway surrounding rock, the anchor net is laid on the inner top surface of the roadway surrounding rock and fixed with the ends of the anchor rods and the ends of the anchor cables which extend out of the inner top surface of the roadway surrounding rock, the shape of the shape steel support is matched with the inner top surface of the roadway surrounding rock, and the shape steel support is a certain distance away from the inner top surface of the roadway surrounding rock. Compared with the prior art, the structure and method for anchor net cable-shape steel support coupling supporting can guarantee deformation uniformity of the roadway surrounding rock, have good supporting performance and simultaneously further have the advantages of being simple to implement, practical and low in cost.

Description

technical field [0001] The invention relates to a support method for a coal mine roadway, in particular to an anchor net cable-shaped steel support coupling support structure and a support method. Background technique [0002] The problem of large deformation support in deep soft rock roadway is one of the major problems that plague coal mine construction and production safety. In production practice, there is no good solution for the large deformation, high stress and difficult support characteristics of deep soft rock roadways. Control the deformation of the roadway, resulting in serious deformation of the roadway, which affects the safe production of the mine. Contents of the invention [0003] The purpose of the present invention is to provide an anchor net cable-shaped steel bracket coupling support structure and support method that adapt to the deformation characteristics of deep soft rock roadways to ensure the stability of the roadway, so as to solve the problems ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D11/00
Inventor 何满潮郭志飚杨晓杰杨军
Owner CHINA UNIV OF MINING & TECH (BEIJING)
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