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断层对深孔聚能爆破煤层增透的影响

GUO De-yong,ZHANG Hui-jie,Lü Peng-fei,ZHANG Ge-wei

Journal of University of Science and Technology Beijing（2014）

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Abstract
针对断层构造对煤层深孔聚能爆破增透效果和安全性的影响，本文在理论分析、数值模拟和现场试验研究基础上，分析了断层对爆破增透煤体裂隙生成和发育的影响，从瓦斯赋存和爆破能量传播探讨了断层对爆破安全性的影响.数值模拟结果验证了断层对爆破裂隙扩展和应力波传播的影响.现场试验表明，断层影响区爆破孔增透效果是未受断层影响区域的2.60倍，断层构造带容易造成冲孔现象，对爆破安全性有重要影响.
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permeability,fault,coal beds,gas,blasting,safety
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