The major differences between coyote blast in soft rock and in hard rock are analyzed and summarized on the basis of experimental data gathered from a coyote blast works in sandy breccia which has been blasted out altogether 800 000 m~ 3 in a hydroproject.

  • 根据某工程已进行的80多万立方米砂砾胶结岩洞室爆破的经验数据,分析、总结了在软岩中进行洞室爆破与在硬岩中进行洞室爆破的较大差异。

  • 互联网摘选 2025-01-20 11:44:13

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