According to basic damage principle, the shear damage variable of rock and the pull damage variable of grout body are defined, and the damage evolution equation is suggested.

• 摘要根据损伤理论的基本原理，分别定义了岩体剪切损伤变量和受拉浆体材料的损伤变量，确定了各自相应的损伤演化方程；