摘要
潞安集团古城煤矿对N103回风顺槽破碎顶板采用"注浆+多筋梯子梁"联合支护措施,有效提高了破碎顶板稳定性,取得了显著成效。
The paper introduces the application of combined support with grouting and muhi-steel-bar ladder beam in broken roof of N 103 ventilation crossheading, which can improve the stability of broken roof effectively.
作者
杨乐
Yang Le(Gucheng Collieu,Lu＇an Mining Industry Group Co.,Ltd.,Changzhi,Shanxi,046108)
出处
《江西煤炭科技》
2018年第4期78-80,共3页
Jiangxi Coal Science & Technology
关键词
软岩煤层
掘进巷道
破碎顶板
支护措施
soft-rock coal seam
excavation roadway
broken roof
support measures
