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 |
|
Strength and fracture characteristics of coal rock disturbed by protective layer mining under graded cyclic loading |
| Yong-bo YANG,Zhe ZHOU |
| 图 3 煤样的分级循环加卸载示意图 |
| Fig.3 Graded cyclic loading and unloading diagram of coal sample |
|
|