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对窑街煤矿 4 0 2 0 s-8面顶煤松动爆破方案和回采工艺参数进行了详细的分析 ,并在现场进行了具体的施工与生产。结果表明 ,基于现场实测 ,实验室相似模拟及理论分析而得到的方案和参数选择合理 ,试验取得了成功
The blasting program and recovery process parameters of 4 0 2 0s-8 top coal in Yaojie Mine were analyzed in detail and the concrete construction and production were carried out on site. The results show that the schemes and parameters obtained based on field measurements, laboratory simulations and theoretical analysis are reasonable and the experiments are successful