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overcharged cast blasting crater
expl.
加强抛掷漏斗
加强抛掷爆破漏斗r >, W,即爆破作用指数 n >, 1,漏斗展开角 θ >, 90°,当 n >, 3 时,爆破漏斗的有效破坏范围并不随炸药量的增加而明显增大。实际上,这时炸药的能量主要消耗在岩块的抛掷上,所以,工程爆破中加强抛掷爆破漏斗的作用指数为 1 <, n <, 3
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