炮放工作面防倒柱技术

Technology of preventing collapsed pillar at blasting face

结合 340 0 6炮采工作面地质情况、俯斜开采及工艺 ,对工作面液压单体柱倒柱原因进行了受力分析 。

Combining with the geological case,oblique mining process at blasting face 34006 analyze the accepted force reason of collapsed pillar and introduce the preventing technique and achieved benefit.