三软煤层巷道工字钢棚联合支护技术探讨  

Discussion on Combined Support Technology of I-shaped Steel Shed in Roadway in Three Soft Coal Seams

作　　者：陶伟 Tao Wei(Shanxi Fenxi Mining(Group)Co.,Ltd.,Shanxi Jiexiu 032000)

机构地区：[1]山西汾西矿业(集团)有限责任公司,山西介休032000

出　　处：《山东煤炭科技》2021年第10期87-89,101,共4页Shandong Coal Science and Technology

摘　　要：以山西高阳煤矿3号煤层运输大巷为工程背景,通过三软煤层巷道围岩变形破坏特征分析,提出"工字钢棚+两次喷浆+底梁浇筑"联合支护方式,通过理论计算验证工字钢棚承载能力。工程实践表明,该联合支护有效控制了软岩巷道变形。Taking the No. 3 coal seam transportation roadway in Gaoyang Coal Mine of Shanxi Province as the engineering background, and through the analysis of the deformation and failure characteristics of the surrounding rock of the roadway in three soft coal seams, the combined support mode of "I-steel shed + twice shotcreting + bottom beam pouring" is put forward, and the bearing capacity of I-steel shed is verified by theoretical calculation. The engineering practice shows that the combined support can effectively control the deformation of soft rock roadway.

关 键 词：三软 巷道 工字钢棚 联合支护 围岩控制 

分 类 号：TD353[矿业工程—矿井建设]