摘要
枣矿集团新安煤业公司12216材料巷是一个采用留窄煤(岩)柱沿空送巷技术开采的综采工作面,其回采巷道沿煤层底板掘进。文章介绍这种典型的半煤岩巷道在沿空送巷时的支护实践,并对巷道维护的影响因素和支护效果进行了分析。
The material entry of 12216 fully mechanized working face of Zaozhuang mining group, Xin＇an coal industry company is arranged along gob by retaining a narrow pillar, and excavated along the floor of coal seam, This paper introduced the practice of supporting of the typical half coal rock roadway along gob, and analyzed the influencing factors of roadway maintenance and support effect.
出处
《山东煤炭科技》
2014年第11期1-3,共3页
Shandong Coal Science and Technology
关键词
半煤岩巷道
沿空送巷
锚杆支护
应力
half coal rock roadway
heading along the gob
bolt support
stress
