综放工作面顶板预裂技术的研究与应用  

Research and application of roof pre-splitting technique in fully mechanized caving faces

作　　者：赵君成 张卫锋[1] 孙朋[1] 

机构地区：[1]新汶矿业集团伊犁能源公司永新煤矿,新疆伊犁835000

出　　处：《山东煤炭科技》2015年第4期3-4,共2页Shandong Coal Science and Technology

摘　　要：为解决煤层坚硬顶板难以垮落的难题,该文结合某矿的实际情况,在2501工作面采用顶板预裂技术,对预裂爆破的钻孔布置、参数及爆破工艺进行分析,研究综放工作面的顶板预裂方案,实现顶板预裂,保证顶板顺利垮落。in order to solve the difficult problem of hard roof the caving, this paper, combined with the actual situation of a certain coal mine, using the top pre-splitting technique in 2501 working face, analyzed the borehole layout, parameters and blasting technology of pre-splitting blasting, research on the roof pre-splitting scheme of fully mechanized top coal caving face, implementation of pre-splitting to ensure the roof smooth caving.

关 键 词：初次垮落 顶板预裂 爆破弱化 

分 类 号：TD235.371[矿业工程—矿井建设]