| 深孔爆破弱化坚硬顶板参数优化分析 |
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| 引用本文： | 张学亮,贾光胜,徐刚. 深孔爆破弱化坚硬顶板参数优化分析[J]. 煤矿开采, 2010, 15(1): 26-28,34 |
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| 作者姓名： | 张学亮 贾光胜 徐刚 |
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| 作者单位： | 1. 煤炭科学研究总院开采设计研究分院,北京,100013
2. 煤炭科学研究总院开采设计研究分院,北京,100013;天地科技股份有限公司开采设计事业部,北京,100013 |
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| 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。
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| 关 键 词： | 深孔爆破 坚硬顶板 参数优化 |
Optimization Analysis of Parameters of Deep-hole Blasting for Softening Hard Roof |
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| ZHANG Xue-liang,JIA Guang-sheng,XU Gang. Optimization Analysis of Parameters of Deep-hole Blasting for Softening Hard Roof[J]. Coal Mining Technology, 2010, 15(1): 26-28,34 |
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| Authors: | ZHANG Xue-liang JIA Guang-sheng XU Gang |
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| Affiliation: | 1.Coal Mining & Designing Research Branch/a>;China Coal Research Institute/a>;Beijing 100013/a>;China/a>;2.Coal Mining & Designing Department/a>;Tiandi Science & Technology Co./a>;Ltd/a>;China |
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| 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. |
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| Keywords: | deep-hole blasting hard roof parameter optimization |
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