分级循环荷载下保护层开采扰动煤岩强度及裂隙特性研究
Strength and fracture characteristics of coal rock disturbed by protective layer mining under graded cyclic loading
分级循环荷载下保护层开采扰动煤岩强度及裂隙特性研究 |
| 杨永波,周哲 |
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Strength and fracture characteristics of coal rock disturbed by protective layer mining under graded cyclic loading |
| Yong-bo YANG,Zhe ZHOU |
| 图 9 煤岩三维裂隙分形维数与峰值强度的对应分布规律 |
| Fig.9 Corresponding distribution law of three-dimensional fracture fractal dimension and peak strength of coal rock |
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