矢量分维值分量的不同反映空间分形曲线在各个方向上粗糙度的差异，从而造成各向异性，最终影响材料的力学特性，矢量分维的建立为进一步研究裂纹对岩石材料特性的影响提供了一个新方法。
通过由半无限开采积分模型求解得到的岩体内部位移场表达式并与相似模拟被保护层沉降曲线对比，研究发现理论模型可以较好地反映煤层实际变形。
在计算岩石断裂粗糙表面分维时，为充分考虑利用基于激光扫描的断面高程数据，通过将各数据点连接构成类棱柱平行体或3面平行体直接覆盖粗糙断裂面，根据盒维数直接定义，提出体积覆盖算法。
The results provide guidelines for both the study on propagation mode of stress wave in coal and rock combination media and the prevention of mining-induced dynamic disasters.
Coal-rock as a typical sedimentary rock has obvious stratification, namely it has transversely isotropic feature.
In this paper, mining-induced mechanical behaviors under three mining layouts have been simulated in the laboratory to investigate the effects of mining layouts on the deformation and strength of coal.
Studies on the effect of depth on physical and mechanical parameters of rock play an important role in understanding the deformation and failure of rock at great depths.
The analytical conclusions are of great significance for the design of protective structures against the explosion-induced hazards and mine safety protection from outburst and explosion.
It is indicated that the total number of mining induced cracks increases with the increasing of advanced lengths of mining face.
The exploitation of coal bed methane or coal gas is one of the most effective solutionsof the problem of coal gas hazard.