岩石的不可逆塑性变形随动应变增加而增大，同时由循环荷载引起的损伤变形也逐渐增加。

Moreover, the irreversible plastic deformation of rock increased, and at the same time, the fracture deformation of rock gradually increased, which was produced by cyclic load.

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岩石的不可逆塑性变形随动应变增加而增大，同时由循环荷载引起的损伤变形也逐渐增加。

Moreover, the irreversible plastic deformation of rock increased, and at the same time, the fracture deformation of rock gradually increased, which was produced by cyclic load.

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