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 2 煤岩力学试验及裂隙扫描设备 |
| Fig.2 Coal rock mechanical test and fracture scanning equipment |
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