坚硬顶板对冲击矿压发生的影响(英文)  

Influence of Hard Roof on Rock Burst

作　　者：姚精明[1] 何富连[1] 窦林名[2] 李哲[1] 张波[1] 

机构地区：[1]北京科技大学金属矿山高效开采教育部重点实验室,北京100083 [2]中国矿业大学能源学院,江苏徐州221008

出　　处：《吉首大学学报（自然科学版）》2007年第3期83-88,共6页Journal of Jishou University(Natural Sciences Edition)

基　　金：The National Natural Science Foundation(50074030);The Dr Special fund of the Ministry of Education(20030290017)

摘　　要：通过理论分析、现场实测和冲击矿压现象分析,说明了顶板坚硬岩层产生的静压和突然运动、破断均可使煤体内部裂纹不稳定扩展而容易发生冲击矿压.By theoretical analysis and actual measurement of field and phenomena analysis of rock burst, the author illustrates the directionless pressure,sudden movement and rupture of hard roof lead to the internal cracks of coal instable development, which easily results in rock burst happening.

关 键 词：冲击矿压 坚硬顶板 裂纹 失稳扩展 

分 类 号：TD327.2[矿业工程—矿井建设]