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径向碎裂法评估爆破时因径向裂缝自炮孔壁延展并止于岩体软弱面而形成破碎的一种方法。径向裂缝和软弱面产生的碎块构成大部分破碎,但不包括炮孔附近破碎带产生的极细物料
expl. radial cracking method

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