Many dynamic disturbances often lead to local instability of roadway surrounding rock and mining workplace and result in rock burst in coal mining.
煤矿生产中存在着大量的动力扰动,常导致采矿巷道和采场围岩局部失稳,诱发冲击矿压发生。
The numerical analogy has been adopted to study the mechanic features influencing stress distribution in coal and rock around the roadway in order to control rock burst disasters.
为了治理冲击矿压灾害,采用数值模拟方法研究了井巷周围煤岩体的力学特性对应力分布的影响。
The monitoring principle and rule of classification forecasting rock burst have been studied aiming at the rock burst in coal mining.
针对煤矿冲击矿压灾害,研究了冲击危险性的监测原理和冲击矿压危险的分级预测准则。
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