【摘要】 根据黑岱沟露天煤矿的矿床地质条件及扩建的要求 ,系统的研究了抛掷爆破与拉斗铲倒堆相结合的剥离工艺。对抛掷爆破的方法与参数、剥离台阶开采参数、有效抛掷率、拉斗铲作业方式、再倒堆系数等进行了模拟计算与分析更多还原

【Abstract】 The paper studies the strippin process combining the throwing blasting and pull shovel handling in accordance with the geologic conditions of ore deposit and extension requirements of Heid aigou surface coal mine,carries out simulation calculation and analysis on the method and parameter of throwing blasting,minin parameter of stripping bench,effective throw rate,operation mode of pull shovel and rehandling factor etc.更多还原