摘要
关岭山煤矿产能的扩大,要求巷道断面也必须随之增大。针对15号煤层上覆岩层的特点,提出了合理的支护方案,确保了大断面巷道支护的安全和矿井生产的需要。
The capacity expansion of Guanlingshan Coal Mine requires that the roadway section must be enlarged consequently.In the light of the characteristics of overlying rock strata on 15# coal seam,this paper puts forward a reasonable supporting scheme for ensuring the supporting safety of the roadway with large section and satisfying the needs of mine production.
出处
《科技情报开发与经济》
2011年第15期223-224,共2页
Sci-Tech Information Development & Economy
关键词
大断面回采巷道
支护技术
数值模拟
mining roadway with large section
supporting technology
numerical simulation
