Numerical Simulation Analysis on Microseism Precursory Characteristics of Coal and Gas Outburst

被引：0
|
作者：
Duan Dong [1 ]
Tang Chun-an [1 ]
机构：
[1] Taiyuan Univ Technol, Coll Min Technol, Taiyuan 030024, Shanxi, Peoples R China
来源：
PROCEEDINGS OF 2009 INTERNATIONAL SYMPOSIUM ON RISK CONTROL AND MANAGEMENT OF DESIGN, CONSTRUCTION AND OPERATION IN UNDERGROUND ENGINEERING | 2009年
关键词：
microseism precursor; coal and gas outburst; numerical simulation; RFPA(2D)-gasflow; tectonic coal; fault;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
According to the rock failure damage theories and the gas-solid coupling method, we use RFPA(2D)-GasFlow soft code, study the characteristics of microseism precursor of coal and gas outburst containing tectonic coal and fault. It is shown that use the characteristics of microseism precursory events amount in time can warn in advance for coal and gas outburst, use the characteristics of microseism precursory events made by tension stress in space can predict the initial failure location of coal and gas outburst.
引用
收藏
页码：401 / 405
页数：5
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