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主拉应力破坏理论
这一理论认为,岩体的破坏是由弹性体的塑性变形引起的。并从理论上阐明了爆破时,爆炸气体作用于孔壁所产生的主应力场,以及主应力和岩体破坏的关系
expl.
failure theory of principal tensile stress
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