岩石的粗糙度。范围从0(很平滑的岩石)到1(很粗糙的岩石)。缺省值是0.707。

Roughness of the rock. The range is 0 (very smooth rock) to 1 (very rough rock). The default is 0.707.

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然而，岩石断裂表面粗糙度一般不具有自相似分形性质。

Since natural fracture surfaces in rocks rarely display self-similar property, the estimated fractal dimension of surface roughness surffers from the scale effect.

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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.

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