Fractai Estimation of Joint Roughness Coefficients

被引：14

作者：

谢和平

Willian G.Pariseau

机构：

[1] China University of Mining and Technology

[2] Xuzhou

[3] PRC

[4] Department of Mining Engineering

[5] University of Utah

[6] Salt Lake City

[7] Utah

[8] USA

来源：

Science in China(Series B) | 1994年 / 37卷 / 12期

关键词：

rock joint; fractal dimension; JRC Values; fractal estimation;

D O I：

暂无

中图分类号：

P584 [岩石物理与岩石化学];

学科分类号：

070901 ;

摘要：

<正>Based on the triadic Koch curve,a generalized fractal model of joint profiles is establishedto simulate joint roughness.The fractal dimension of a joint profile can be directly obtained from the two pa-rameters,L* and h*, the average base length and average height of asperities of the joint,respectively,i,e D=log4/log[2(1+cos tan1（2h'/L'）)]This fractal dimension is strongly correlated with the value of the joint roughness coefficient （JRC）. An empirical relationship is found in the form,JRC=85.2671·（D-1）0.5679 Thus, the fractal analysis proposed provides a new method of estimating JRC values

引用

页码：1516 / 1524

页数：9