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| 2012, Vol. 49(1): 66-71 DOI: | ||
| Research on Tunnel Supporting Time Based on Virtual Supporting Force | ||
| (1 State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining & Technology, Xuzhou 221008; 2 School of Mechanics & Civil Engineering, China University of Mining & Technology, Xuzhou 221008) | ||
| Received null Revised null | ||
| Supporting info | ||
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