摘要
针对回采工作面过断层等地质构造带围岩破碎、顶板冒落、煤壁片帮严重问题,以四通矿4206工作面为研究对象,分析工作面推进遇断层等地质构造带时的影响,采用固特珑(GN-4型)等进行注浆加固措施,解决断层煤岩体控制问题,回采面顶板冒落及煤壁片帮控制效果明显。
Aiming at the serious problems of surrounding rock fragmentation,roof caving and coal wall slice in the geological structural zone such as crossing faults in the mining face,taking 4206 working face of Sitong Coal Mine as the research object,the influence of advancing the geological structural zone such as crossing faults in the working face is analyzed,and the grouting reinforcement measures such as GN-4 are adopted to solve the control problem of fault coal and rock mass.The control effect of roof caving and coal wall is obvious.
作者
邹青林
Zou Qing-lin(Sitong Coal Industry Co.,Ltd.,Shanxi Coal Transportation and Sales Group,Shanxi Linfen 041000)
出处
《山东煤炭科技》
2019年第7期75-76,81,共3页
Shandong Coal Science and Technology
关键词
破碎带
煤壁
加固
假顶
fractured zone
coal wall
reinforce
false roof
