华丰煤矿底板冲击地压发生机理  

Mechanism of Rock Burst Occurred from Floor of Huafeng Mine

作　　者：徐方军[1] 毛德兵[2] 

机构地区：[1]新汶矿业(集团)有限责任公司华丰煤矿,山东宁阳271413 [2]天地科技股份有限公司,北京100013

出　　处：《煤炭科学技术》2001年第4期41-43,共3页Coal Science and Technology

摘　　要：在实验室试验、计算机数值模拟计算的基础上 ,对华丰煤矿底板冲击地压的发生机理进行分析 ,并提出了相应的底板冲击地压防治措施。Base on the measurement of physical mechanic properties for seam, face roof and floor in No. 1410 Mining Face of Huafeng Mine and the lab study on rock burst tendency, the paper analyzed the rock burst mechanism in floor of seam roadway of Huafeng Mine with a computer data analysis program FLAC to study and calculate floor deformation and horizontal structure stress of the seam roadway and support pressure relationship occurred by mining and excavation. The paper hold that the existing of key strata in the rock strata is a necessary condition to the floor strata with great deformation energy. A high stress function is a power source for the floor strata with deformation energy and rock strata to be failed. Base on the conditions to occur rock burst in the floor, the paper provide the measures to prevent the floor rock burst in the key layer of the floor strata.

关 键 词：煤层底板 冲击地压 发生机理 防治措施 计算机 数值模拟 防治措施 

分 类 号：TD324[矿业工程—矿井建设]