采掘工作面发生冲击地压的尖点突变模型研究  

A research on the cusp catastrophe model of rockburst at the working surface of coal mining

作　　者：姜永东[1] 鲜学福[1] 尹光志[1] 

机构地区：[1]重庆大学西南资源开发及环境灾害控制工程教育部重点实验室,重庆400044

出　　处：《中国矿业》2007年第12期65-67,71,共4页China Mining Magazine

基　　金：国家自然科学基金重点资助项目(50334060);重庆市院士基金资助项目(6592);重庆大学博士基金资助项目

摘　　要：根据煤层冲击地压的非稳定性问题,建立了煤层冲击地压的力学模型,采用非线性科学中的突变理论,对煤层变形失稳及冲击地压进行了突变理论分析,得出了煤层冲击地压发生的条件以及冲击地压发生时煤层变形的突跳量和所释放出来的能量表达式,其研究成果深化了对煤岩失稳和冲击地压发生机制的认识。A mechanical model was figured out as for instability of the rockburst existing in coal bed.The essay applied the theory of modern nonlinear catastrophe to analyzing the transformation occurring to coal bed and it＇s rockburst. This experiment got the occurring conditions of coal-bed rockburst, the kick value of rockburst, and the expression of energy to release out when pressure pump happened. The conclusion of this research helps to improve the cognition of instability staying inside coal rocks and principle of occurrence of rockburst.

关 键 词：冲击地压 力学模型 尖点突变 

分 类 号：TD324[矿业工程—矿井建设] N941.92[自然科学总论—系统科学]