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- Keywords rock burst;microseism;fractal geometry;fractal dimension; 冲击地压;微震;分形几何;分维;
- Keywords rock burst;impaction tendentiousness;prevention;Xiaoqinling area; 岩爆;冲击倾向性;防治;小秦岭地区;
- Keywords rock burst;proneness index;energy accumulation;energy dissipation; 岩爆;倾向性指标;能量储存;能量耗散;
- Keywords Rock burst proneness;Indirect fuzzy identification method;Appropinquity degree; 岩爆倾向性;模糊识别间接法;贴近度;
- Keywords rock burst;microseism;forecast;dynamic catastrophe;amplitude-frequency character;time-frequency analysis; 冲击矿压;微震;预测预报;动力灾害;幅频特征;时-频分析;
- Keywords rock burst;RFPA software;numeric simulation;regressive formulation;drillhole pressure relief; 冲击地压;RFPA软件;数值模拟;回归公式;钻孔卸压;
- Keywords rock burst;mining disturbance potential （MDP）;physical charater;geometrical charater;relativity and unity; 冲击地压;开采扰动势;物理特征;几何特性;相关与统一;
- Keywords rock burst;electromagnetic emission （EME）;critical point;deviation values;monitoring danger; 冲击矿压;电磁辐射;临界指标;偏差值;危险监测;
- Keywords rock burst;electromagnetic radiation;continuous monitoring;danger auspice; 冲击地压;电磁辐射;连续监测;危险前兆;
- So, EME can be applied to forecast the rock burst in coal mine. 研究表明，电磁辐射基本上随著加载及变形速率的增加而增强；
- Beside this,the paper also discussed the reason why rock burst easily happened aro... 分析了煤岩层摩擦滑动的基本形式，探讨了粘滑的产生机理，并以此解释冲击地压的发生机理。
- Finally, assessing the rank of the danger of rock burst applying the EME was introduced by an example. 通过实例介绍了电磁辐射法评定煤矿冲击矿压危险等级的应用情况。
- With the increase of mining depth,the possibility for rock burst increases correspondently. 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。
- The computed result indicates the acceleration curve and the speed curve appears change suddenly in the rock burst. 计算结果表明,发生岩爆时,巷道围岩的速度曲线和加速度曲线出现突变。
- Investigating valley stress field is of importance to the researches on mechanism and prediction of rock burst. 深入研究沟谷应力场的一般规律对于岩爆机理和岩爆预测研究是重要的。
- The rock burst break intensity will be stronger with the increasing of excavating depth. 随采深增加，岩爆的烈度等级加大。岩爆的发生存在一个临界深度。
- The monitoring result was very similar to actual rock burst and the error of orientation result was minor to prescriptive upper limit. 此矿震监测定位系统的监测结果与实际矿震十分吻合，定位结果小于规定的误差上限。
- Practice proves that EME method use to check effectiveness and Unload with borehole to prevent rock burst is reasonable. 通过现场的应用证明了电磁辐射法对岩爆的危险性进行评价及预测预报、爆破卸压措施防治岩爆发生是可行、有效的。
- 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。
- The study results indicate that rock burst can not occur in this haulageway, which are well agreeable with the practice at site. 计算表明，该巷道围岩不满足产生冲击地压的条件，与现场实际情况相吻合。
