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爆破危害指数
爆破产生的应力与岩体的动态抗拉强度的比率,是一个无量纲系数,类似于爆破因数的倒数,在 0blast3 之间变化。用它作为地下工程中围岩爆破危害的量化系数
expl.
blast damage index
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