长孔爆破在巷道放顶煤中的试验研究

Test and research on blasting with long bore hole in gateway top coal caving

在对长孔爆破的试验区作了调查分析的基础上 ,确定了爆破方案和设计参数 ,并对长孔爆破安全进行了技术分析 ,介绍了长孔爆破在试验矿井的应用效果。

Base on the investigation and analysis on the long bore hole blasting test, the paper confirmed the blasting plan and design parameters, technically analyzed the safety of the long bore hole blasting and introduced the application results of the long bore hole blasting in the mine test.