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文中对岩体节理在爆破中的破坏作用进行了详细的分析，首先对岩体进行节理和裂隙的定量描述，给出岩体破坏前的初始损伤。在此基础上利用岩体动力破坏和岩石动载破碎的新本构模型对岩体破坏过程进行分析，其结果可以描述岩体的节理间距，岩体损伤情况。从而对节理岩体的破坏有更深入的认识。
In this paper, the destruction of rock mass joints in blasting is analyzed in detail. Firstly, the joints and fractures of rock mass are quantitatively described, and the initial damage before failure of rock mass is given. Based on this, the failure process of rock mass is analyzed by using the new constitutive model of rock mass dynamic failure and rock dynamic crushing. The results can describe the joint spacing of rock mass and the damage of rock mass. Thus the destruction of jointed rock mass has a deeper understanding.