提出了一种更为简单的估算岩石断裂面粗糙度(jrc)值的分形模型，可用来模拟岩石断裂面剖面线。
A simpler fractal model to estimate the joint roughness coefficient (JRC) is suggested. It can be applied to simulate rock discontinuity profiles.
构造了具有自仿射分形性质的重力型断裂面滑移模型；
The gravity fracture surface sliding model with self-affine fractal character is established.
引入分形几何理论，应用分形方法来描述岩石断裂裂纹的曲折形态，进而建立分形裂纹下的岩石断裂韧性理论模型。
The fractal methods are used to describe the tortuous shape of rock fracture cracks, and the theoretical models for fracture toughness of rock with fractal cracks are built.
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