杜儿坪煤矿72908面回风巷煤柱宽度设计  

Design of Coal Pillar Width for the Ventilation Roadway of 72908 Face in Du'erping Colliery

作　　者：李明峰 Li Mingfeng(Security Management Dept.of Shanxi Coking Coal Xishan Coal&Power Group Co.,Ltd.,Taiyuan,Shanxi 030053)

机构地区：[1]山西焦煤西山煤电(集团)有限责任公司安全管理部,山西太原030053

出　　处：《江西煤炭科技》2024年第4期53-56,共4页Jiangxi Coal Science & Technology

摘　　要：针对杜儿坪矿72908工作面回风巷沿空掘巷煤柱留设问题,采用理论计算、数值模拟分析的方法得到合理宽度应为7 m。In response to the issue of coal pillar setting of gob-side entry driving in ventilation roadway in the 72908 working face of Du'erping Colliery,theoretical calculations and numerical simulation analysis are used to determine a reasonable width of 7 meters.

关 键 词：沿空巷道 煤柱宽度 模拟分析 变形量 

分 类 号：TD822.3[矿业工程—煤矿开采]