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- DOU Lin-ming,HE Xue-qiu.Model for rock burst failure and its critical values of acoustic and electromagnetic emission[J].Journal of China University of Mining &Technology,2004,33 (5):504-508. [8]窦林名;何学秋.;煤岩冲击破坏及声电前兆判据研究[J]
- Model for Rock Burst Failure and Its Critical Values of Acoustic and Electromagnetic Emission 煤岩冲击破坏模型及声电前兆判据研究
- rock burst failure 冲击破坏
- Experimental study show that the EME(electromagnetic emission) is caused by the crack expands and friction of granule during rock and coal burst failure. 试验研究表明,煤岩在冲击破裂过程中,裂缝的形成和颗粒的摩擦会产生电磁辐射;
- 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；
- The Electromagnetic Emission (EME) will be formed because of the formation of cracks and the friction between granules during rock and coal's burst failure. 摘要由于煤岩冲击破裂过程中，裂缝的形成和颗粒的摩擦会产生电磁辐射，因此，可采用电磁辐射技术来预测煤矿的冲击矿压危险。
- DouL M, He XQ, WangE Y, et al.Research on the electromagnetic emission in the rock and coal burst failure [J].Journal of Tsinghua University 2001,41(12): 86-88. [8]窦林名;何学秋;王恩元;等.;由煤岩变形破坏所产生的电磁辐射[J]
- 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。
- According to the location of rupture sources, impacting disasters had been divided into rock burst, pressure bump and mine earthquake. 根据硐室围岩破裂源的空间位置，将冲击灾害划分为岩爆、冲击地压和矿震三大类。
- Rock burst is one of the severest natural calamities in coal mining;and its energy variation regular is always studied emphatically. 摘要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。
- Burst failure analysis of primary cyclone separator 一级旋风分离器爆裂失效分析
