摘要
以燕子山矿5208巷生产地质条件为工程背景,开发了沿8210采空区留设5.0 m宽小煤柱的沿空掘巷技术,采用“锚杆+锚索+W钢带+JW钢带+金属网”联合支护形式。技术应用后,监测了巷道围岩变形情况,证明了小煤柱沿空掘巷围岩控制技术的合理性和优越性。
Taking the production geological conditions of the 5208 roadway in Yanzishan Coal Mine as the engineering background,the gob-side roadway driving technology with 5.0 m wide coal pillar along the 8210 goaf is developed,which adopts the combined support form of "anchor rod + anchor cable + W steel belt + JW steel belt + metal mesh".After the application of the technology,the surrounding rock deformation of the roadway is monitored,which proves the rationality and superiority of the surrounding rock control technology of small coal pillar driving roadway along the goaf.
作者
程帅
Cheng Shuai(Jinneng Holding Coal Industry Group Yanzishan Mine,Shanxi Datong 037037)
出处
《山东煤炭科技》
2022年第3期29-31,共3页
Shandong Coal Science and Technology
关键词
小煤柱
沿空
掘巷
支护
small coal pillar
along the goaf
driving roadway
support
