The oxidation degree of grain boundaries and crack propagation are qualitatively analyzed based on crack density and percentage of intergranular crack.
用裂纹密度和晶界裂纹的比例对晶界氧化的程度及裂纹扩展情况定性地加以分析。
The crack distribution and evolution of the surrounding rocks of roadway can be quantitatively depicted by the fractal dimension of crack density.
用裂隙密度分形维数定量描述了巷道围岩裂隙的分布和演化。
Numerical example indicates that the random distribution characteriztics can be different for different elastic constants under the same random distribution of crack number density.
裂纹数密度对随机裂纹介质的各个弹性常数具有不同程度的影响；
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