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。
It is necessary to research into the burst failure and rock burst tendency of combined sample which is made up of roof, coal and floor.
研究顶板-煤体-底板所构成的组合煤岩体试样变形破裂规律及冲击倾向性对于预测冲击矿压具有非常重要的实践意义。
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。
Based on the occurring mechanism of slough rock burst, the mechanism to weaken shock with bolt support in coal roadway is analyzed.
从片帮型冲击矿压发生的机理出发，分析了煤层煤巷采用锚杆支护减冲的机理。
The prerequisite of rock burst occurrence is that the elastic energy in coal and rock mass around coal mine roadway and stope has accumulated enough.
冲击地压发生的前提是矿山井巷和采场周围的煤岩体中储存了足够的弹性能。
On the basis of Maxwell's equations, the propagation rule of EME (electromagnetic emission) radiated from coal or rock in the course of rock-burst is studied and analyzed theoretically.
基于麦克斯韦方程，本文对岩爆过程中产生的电磁辐射在煤层、岩石中的传播规律进行了理论计算。
The electromagnetic radiation (EMR) technology can forecast coal or rock dynamic disaster, such as coal and gas outburst, rock burst etc.
煤岩电磁辐射监测技术可以预测、预报矿井冲击地压和煤与瓦斯突出等煤岩动力灾害。
According to the study of the working face with a strong probability of rock burst, the EME can be used to forecast the rock burst and to check the effect of unloading blasting in coal mine.
对具有强冲击危险工作面进行的研究表明，电磁辐射完全可以预测煤矿冲击矿压危险，检验卸压爆破效果，而且准确率高，效果明显。
The event is ore earthquake of rock burst type related to coal mine exploitation and mining activity, the micro-earthquake swarms belong to occasional local stress releasing.
这次微震群属于冲击地压型矿震，与煤矿开采及回采工程活动有关，属于偶发的局部应力释放。
The EME index becomes an important parameter for the EME method to forecast the rock and coal burst tendency and danger. The research results lay a good foundation for rock and coal burst prevention.
因此，冲击倾向的电磁辐射指数是电磁辐射预测煤岩冲击倾向性及冲击危险程度的重要指标。
The monitoring principle and rule of classification forecasting rock burst have been studied aiming at the rock burst in coal mining.
分类预报岩爆监测原理及规则进行了研究，目的是煤炭开采的岩爆。
Mine CT include KJ550 Coal mine microseismic monitoring system (KJ550 CMS) and KJ551 Coal mine rock burst monitoring system (KJ551 CRMS).
矿山CT包括煤矿微震监测系统（KJ550）和煤矿冲击地压监测系统（KJ551）。
Finally, the risk zone of rock burst in No. 3 coal seam is evaluated.
在此基础上对该矿3号煤层冲击地压的区域危险性进行了评价。
Rock burst is one of the severest natural calamities in coal mining; and its energy variation regular is always studied emphatically.
冲击地压是煤矿生产中遇到的严重自然灾害之一，其能量变化规律一直是人们研究的重点。
Rock burst is one of the coal mine disaster that restrict the high efficiency production. The mechanism of rock burst is closely related with the mining process.
冲击地压是制约煤矿安全高效生产的主要灾害之一，而冲击地压发生的机理与采掘过程密切相关。
The proposed instability criterion can be used to analyze the instability of coal pillar, i. e. coal pillar rock burst.
建议的失稳判据，可以用来分析煤柱的不稳定，即煤柱岩爆。
The electromagnetic radiation technology can be used for forecasting dynamic disasters such as coal and gas outburst and rock burst in coal mine.
电磁辐射技术在煤矿可以用于预测煤与瓦斯突出、冲击地压等煤岩动力灾害。
With the increase of mining depth, the possibility for rock burst increases correspondently. It has become a major factor which endangers the safe operation of coal mines.
随着煤矿开采深度的增加，冲击地压危险越来越大，已成为严重威胁矿井安全生产的主要灾害。
Abstract: Rock burst situation assessment is one of the key and difficult issues in the safety monitoring and early warning field of coal mining.
摘要冲击地压态势评估是煤矿安全监测预警领域的热点及难题之一。
The results was used to prevent the rock burst in no. 12 coal mine of PingMei Group and the better social and economic benefits restrict was achieved.
上述结果在平煤十二矿三水平皮带下山防治冲击地压中应用，取得了良好的社会经济效益。
The results was used to prevent the rock burst in no. 12 coal mine of PingMei Group and the better social and economic benefits restrict was achieved.
上述结果在平煤十二矿三水平皮带下山防治冲击地压中应用，取得了良好的社会经济效益。
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