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本文应用断裂力学,对切口炮孔断裂原理进行了探讨,用Westergaard函数推导其应力强度因子的计算公式,并对断裂控制爆破与光面爆破的某些参数作了比较。
In this paper, fracture mechanics is used to study the fracture principle of notch blasting. The Westergaard function is used to deduce the formula of stress intensity factor, and some parameters of controlled blasting and smooth blasting are compared.