【摘要】 护巷煤柱宽度对煤柱的稳定性和巷道维护起着极其重要的作用。以巷道的稳定性为衡量护巷煤柱宽度合理性的主要指标 ,是当前选择煤柱宽度比较实用的方法 ,根据岩体的极限平衡理论 ,推导出护巷煤柱保持稳定状态时的宽度计算公式 ,由此分析开采深度、采动影响、煤层开采厚度、围岩性质等对护巷煤柱宽度的影响更多还原

【Abstract】 Width of the chain pillar play a important role to stability of pillar and safeguard of road.Stability of road is main larget as measuring width of the chain pillar,it is a practical method in selecting width of pillar at present according to the limit equilibrium princple of rock,clerivating out count formnlar of width when chain pillar keep stable state,and analyzes out influence of mining deepth,mining shaking mining thickness of coal seams and property of rock to width of chain pillar.更多还原