摘要
提出了节理轮廓线分形量测方法;建立了分形维数与节理粗糙度系数(JRC)的关系;提出了三角形棱柱表面积法、投影覆盖法、立方体覆盖法等一系列表征结构面粗糙度的分形描述方法,与此同时也得到了不断的改进与发展;研究了结构面粗糙度的多重分形特征.研究也表明,自然结构面大多数情况下更具自仿射分形特征,采用自仿射分形理论描述结构面粗糙度更符合实际.自然结构面形貌复杂,存在各向异性和尺寸效应特征,这些特性也是该领域关注的热点.
Firstly,a fractal measurement method for joint contours was proposed,and the relationship between fractal dimension and joint roughness coefficient（JRC） was established based on quantifying discontinuity roughness by fractal dimension. Second,fractal description methods such as triangular prism surface area,projective covering and cube covering were put forward to characterize the roughness of the structural surface. At the same time,all methods were improved and developed. Thirdly,the multifractal characteristics of structural surface were studied. However,the natural structure surface is complex,and has self-affine characteristics. So it is more scientific and practical for the self-affine fractal theory to be used for the description of the surface roughness. In addition,the anisotropy of structural surface roughness is also a hot topic in this field.
作者
陈世江
王创业
李建伟
张飞
CHEN Shi-jiang, WANG Chuang-ye, LI Jian-wei, ZHANG Fei(Institute of Mining Research, Inner Mongolia University of Science and Technology-, Baotou 014010, China)
出处
《内蒙古科技大学学报》
CAS
2018年第2期103-112,共10页
Journal of Inner Mongolia University of Science and Technology
基金
国家自然科学基金资助项目(51564038
51464036)
内蒙古自然科学基金资助项目(2015MS0548)
内蒙古科技大学优秀青年基金资助项目(2016YQL04)
关键词
岩体结构面
粗糙度
分形维数
研究进展
discontinuity
roughness
fractal dimension
research progresses
