鹤岗富力煤矿冲击地压的研究
详细信息 本馆镜像全文    |  推荐本文 | | 获取馆网全文
摘要
应用地球物理学方法研究了1998年6~12月间鹤岗富力煤矿-240五层冲击地压的地震记录.冲击地压地震震级为ML1.0~ML2.5,地震波优势频率为0.6~1.8Hz,释放能量为(2.12~19.99)×10 6J,地震矩为(1.91~5.87)×1013Nm.应力降为0.2~0.6MPa,构造环境应力值为1.12~2.49MPa.经地震学研究和宏观调查结果判断,冲击地压属岩体断裂冲击类型.
geophysical method is used to study seismographic records of percussion ground pressurein Hegang-Fuli coal mine from June to December in 1998. The results show that the range forearthquake magnitude of the percussion ground pressure is ML1.0~ML2.5,that for predominantfrequency is 0.6 ~1.8Hz, for releasing energy is (2.12~19.99) 106J, for seismic moment is(1.91~5.87) 1013Nm, for stress drop is 0.2~0.6MPa and for the ambient shear stress value is1.12~2.94MPa. Based on the study the percussion ground pressure is considered as a kind ofrock breaking.
引文
[1]荣玉仿等.数字化地震记录分析软件PIISA简介及使用说明[J].地震地磁观测与研究,1997,18(4):1~90.
    [2]郑治真.波谱分析基础[M].北京:地震出版社,1983.
    [3]陈培善等.峰值速度和峰值加速度对环境剪应力场的依赖性[J],地球物理学报,1993,36(2):185~194.
    [4]白彤霞.用云南数字地震台网资料计算构造环境应力值的尝试[J].地震地磁观测与研究,1999,20(1):68~74.
    [5]张少泉等.地震波分析与应用[M].北京:地震出版社、1998.
    [6]张少泉等.矿山冲击的地震学研究与发展[J].中国地震,1993,9(1):1~27.
    [7]张少泉等.矿山地震研究进展[J].国际地震动态, 1994,(2)

版权所有:© 2023 中国地质图书馆 中国地质调查局地学文献中心