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深井硬岩矿山岩爆灾害预测研究
Research on prediction of rock burst in deep hard - rock mines
【摘要】 岩爆是深井硬岩矿山常见的地质灾害之一。岩爆倾向性指标主要有弹性能量指数、线弹性能、冲击能量指标、脆性系数、Russenses判据等。根据国内外矿山和地下工程岩爆实例的统计分析,Russenses判据是明显有规律性的岩爆倾向性指标。冬瓜山铜矿是典型的深井硬岩矿山,依据其地质特点,采用Russenses判据预测了该矿发生岩爆的可能性。
【Abstract】 Rock burst is one of geo - hazards frequently happened in the deep hard rock mines. Indexes of potential rock burst mainly are Elastic energy index, Linear elastic energy, Impacting energy index, Brittleness ratio and Russenses criterion . Based on analysis of some data of actual rock burst happened both in mine and in underground civil engineering all around the world, Russenses criterion is the potential rock burst index with obvious regularity. Taking the Dong-guashan Copper Mine as a case, in which the geological features are followed, the possibility of rock burst is predicted by using the Russenses criterion.
【Key words】 deep hard rock mine; rock burst; prediction; Dongguashan copper mine;
- 【文献出处】 中国安全生产科学技术 ,China Occupational Safety and Health Management System Certification , 编辑部邮箱 ,2005年05期
- 【分类号】TD313
- 【被引频次】45
- 【下载频次】486