一种描述结构面剖面线粗糙度的新方法OA北大核心CSCDCSTPCD
NEW METHOD FOR ASSESSING ROCK DISCONTINUITY ROUGHNESS ON LINEAR PROFILES
采用法向矢量单位圆描述结构面剖面线粗糙度,从各微分段的角度关系阐述粗糙度,进而将二维问题转化为一维问题处理并提出"角度粗糙度"的概念.考虑到各微分段的实际长度对粗糙度的贡献,采用加权均值与加权方差定量描述角度粗糙度;角度粗糙度越大表明该剖面越粗糙.对规则剖面线与不规则剖面线采用"角度粗糙度"进行描述,所得结果跟已有的剖面线粗糙性表征方法相比,二者具有较好的一致性,表明新方法评价的正确性与可行性.
A new method with use of normal vector unit cycle to assess rock fracture roughness on linear profiles is proposed. A new concept of orientation roughness is put forward to reduce data dimension from 2D to 1D. The roughness quantitative description takes the form of weight mean value and weight variance of orientation. The two parameters can reflect contribution of each differential length. The bigger the orientation roughness, the rougher the linear profile…查看全部>>
唐志成;宋英龙
同济大学,岩土及地下工程教育部重点实验室,上海,200092同济大学,地下建筑与工程系,上海,200092
建筑与水利
结构面粗糙度角度粗糙度
Rock fracture Roughness Orientation roughness
《工程地质学报》 2011 (2)
250-253,4
评论