节点文献
深孔爆破弱化坚硬顶板参数优化分析
Optimization Analysis of Parameters of Deep-hole Blasting for Softening Hard Roof
【摘要】 论述了坚硬顶板的危害,指出深孔爆破可弱化坚硬顶板并说明其特点。重点分析了钻孔长度、钻孔间距、钻孔直径、封孔长度4个对深孔爆破影响最大的参数及装药结构和对深孔爆破的影响及其参数优化范围。实际应用表明参数优化范围是可行且有效的。
【Abstract】 This paper discussed disaster of hard roof and indicated that deep-hole blasting could soften hard roof.It emphatically analyzed influence of bore length,interval,diameter and hole sealing length on deep-hole blasting and presented parameters optimization range.Practical application showed that parameter optimization range was feasible and effective.
- 【文献出处】 煤矿开采 ,Coal Mining Technology , 编辑部邮箱 ,2010年01期
- 【分类号】TD235.35
- 【被引频次】43
- 【下载频次】478