The structure of rock is extremely complicated discontinuous and heterogeneous body, its mechanics property has non-linear, anisotropism and rheology characteristic, which changed over time.
岩石的结构是极其复杂的非连续和非均质体，其力学属性具有非线性、各向异性及随时间变化的流变特性。
2
Rock mass is a discontinuous medium. The strength properties of rock mass and its structure plane are of certain peculiarity.
岩体是一种不连续介质，岩体及岩体结构面强度特性具有一定的特殊性。
3
The dragging and slipping technique for loading large structure with discontinuous and dissymmetrical slide shoes on board is presented in detail.