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形成标准抛掷爆破漏斗的条件
标准爆破漏斗的装药最小抵抗线 W 等于漏斗半径r,漏斗张开角 θ= π/2。在柱状装药条件下,若忽略反射横波的作用,则形成标准爆破漏斗的力学条件可表述为:漏斗边缘处人射波产生的切向拉应力与反射拉伸波产生的径向拉应力之和等于岩石的拉伸强度
expl.
conditions forming normal cast blasting crater
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