Design and Construction of Gallery No. 1 for Mechanical Tests in Jinchuan Mining

Gu Zhimeng; Bai Shiwei

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Design and Construction of Gallery No. 1 for Mechanical Tests in Jinchuan Mining

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- Design and Construction of Gallery No. 1 for Mechanical Tests in Jinchuan Mining
- Vol. 12, Issue 2, (1991)
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- Online First：15 February 1991，
  
  Published：1991
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Gu Zhimeng, Bai Shiwei. Design and Construction of Gallery No. 1 for Mechanical Tests in Jinchuan Mining[J]. 1991, 12(2).
DOI：

Gu Zhimeng, Bai Shiwei. Design and Construction of Gallery No. 1 for Mechanical Tests in Jinchuan Mining[J]. 1991, 12(2). DOI：

摘要

金川不良岩层中巷道的变形破坏十分严重

是影响金川有色金属公司生产成本和矿山建设的关键所在。多年来

围绕不良岩层中巷道地压的控制管理

金川有色金属公司组织了几十个科研、设计、生产、高校等单位的科技人员进行联合攻关

并取得了不少重大成果。但是

要想真正把握金川不良岩层中地压显现的规律

制定一套有效控制高应力破碎岩体中巷道地压的措施

还有待进一步的深入研究。本文所介绍的“金川1号岩石力学试验巷道的设计与施工”:是采用喷锚网支护结构

利用二次支护方法

制服金川高应力破碎岩体中巷道围岩变形破坏的一个示范。

Abstract

The deformation failure of the galleries in unfavorable rock formations in Jinchuan is well-known in China

which is the crux affecting the production costs and the mining construction of Jinchuan Nonferrous Metal Company. The company

for many years

has invited a great number of researchers from dosens of scientific institutes

univeisities and engineering design departments to tackle this crux problem

centering on controlling the earth pressure on the galleries and obtained a certain number of significant achievements. However

to have a real grasp of the earth pressure law of Jinchuan unfavorable rock formations and to make a set of measures to control effectively the pressure acting on the galleries in a ruptured rock mass with a high geostress

one must carry out further thorough research. What is described in this paper is an example to tame the deformation failure of the Jinchuan galleries in a high-stressed ruptured rock mass by means of secondary supporting method using the spout anchorge supporting system.

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