摘要
针对寺河煤矿二号井15号煤巷道维护困难的现状,对巷道围岩结构进行了观测分析,对巷道围岩强度进行了测试,在现有支护设计的基础上对不同条件下的巷道支护方案进行了优化,经过现场工业试验,效果良好。
Aiming at the maintenance difficult situation of roadway lying in No.15 coal of Sihe Coal Mine No. 2 shaft, observed and analyzed the rock structure, and tested the strength of the surrounding rock of roadway, based on the existing support design, optimized roadway supporting scheme in the different conditions, after tested in field, and taken good t he effect.
出处
《山东煤炭科技》
2015年第4期37-39,共3页
Shandong Coal Science and Technology
关键词
软煤区支护
围岩结构
围岩强度
支护优化
support of soft coal district
rock structure
the strength of surrounding rock
support optimization
