煤柱高度对急倾斜煤层开采的影响分析  

Influence of Pillar Height on Mining of Steeply Inclined Coal Seam

作　　者：秦晋沛 Qin Jinpei(Shanxi Lu'an Guozhuang Coal Industry Co.,Ltd.,Changzhi Shanxi 046100)

机构地区：[1]山西潞安郭庄煤业有限责任公司,山西长治046100

出　　处：《山西冶金》2021年第5期109-110,113,共3页Shanxi Metallurgy

摘　　要：急倾斜煤层的地质条件较为复杂,存在一定的开采难度,且开采形式多种多样,而开采煤柱的高度对于巷道的安全及围岩的应力影响较大。针对开采煤柱的影响作用,对巷道放顶煤开采的煤柱高度进行理论分析,并建立数值模拟模型进行仿真研究,确定了最优的开采煤柱高度,为急倾斜煤层的高效开采提供参考。The geological conditions of steeply inclined coal seam are complex,there are certain mining difficulties,and there are various mining forms.The height of mining coal pillar has a great impact on the safety of roadway and the stress of surrounding rock.In view of the influence of mining coal pillar,the coal pillar height of roadway top coal caving mining is theoretically analyzed,a numerical simulation model is established for simulation research,and the optimal mining coal pillar height is determined,which provides a reference for the efficient mining of steeply inclined coal seam.

关 键 词：急倾斜煤层 煤柱高度 巷道支护 围岩应力 

分 类 号：TD823.213[矿业工程—煤矿开采]