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RMR岩体质量稳定性分级方法在塔尔德布拉克左岸金矿巷道支护中的应用
Selection of Ground Support and Application Based on Method of Rock Mass Rating (RMR) at Taldy Bulak Levoberzhny Gold Mine, Kyrgyzstan

DOI: 10.12677/ME.2016.41002, PP. 7-12

Keywords: 工程地质调查,RMR岩体质量分级,巷道支护;Engineering Geological Investigation, RMR Classification, Ground Support

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Abstract:

岩体稳定性评价是巷道开挖和支护设计时的一项基本任务。本文基于岩体质量分类方法,通过对塔尔德布拉克左岸金矿的工程地质调查,结合矿岩物理力学参数,对矿石和围岩进行了稳定性分级,并根据矿岩稳定性分级提出了针对性支护方案,并取得了较好支护效果。

Stability evaluation of rock masses is a basic procedure for the design of various underground excavations and support measures. In this paper, engineering geological investigation into country rock and ore body around excavations was extensively carried out; and samples were collected to test their physic-mechanical parameters in laboratory. Then, engineering rock masses in question were classified based on rock mass rating (RMR) and accordingly ground support measures were also proposed with a good effect obtained.

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