By combination of intactness index of rock mass with microcrack density,the analytical method of rock mass parameters is obtain on the micromechanical damage theory.
分析目前确定岩体参数方法中存在的一些困难,通过把岩体的完整性系数同岩体微裂纹密度参数结合起来,运用细观损伤理论,得到确定岩体参数的计算方法,并分别运用Taylor方法和广义自洽法结合工程实例和部分统计资料进行计算对比分析,根据计算结果,结合BQ法针对完整性系数小于0。
Base on the study of macro-characteristics of rock mass, rockmass integrity coefficient Kv on the basis of elastic wave testing technique and roughness coefficient JRC basis of surface roughness of rock mass are introduced,the structure type and weathering degree of rock mass are described quantificationally;the quantitative table of GSI index based on macro-characteristics of rock m
在岩体宏观特征的研究基础上,分别引入基于弹性波测试技术的岩体完整性系数Kv和基于岩体表面粗糙程度的粗糙度系数JRC,对岩体的结构类型及风化程度进行定量化描述,建立了基于岩体宏观特征GSI指标定量化表格。