论文部分内容阅读
分析了三河尖煤矿采用高档放顶煤工艺回收厚煤柱工作面及巷道内的矿压规律及特点 ,以及不同开采工艺方式对矿压显现的影响 ,提出了该开采工艺条件下确保支柱稳定性及安全生产的措施
This paper analyzes the regularity and characteristics of rock pressure recovery in thick coal pillar face and roadway with high-grade caving mining technology in Sanhejian Coal Mine and the effect of different mining methods on the occurrence of rock pressure. It is proposed to ensure the stability of the pillar under the mining conditions And safety measures