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| 2012, Vol. 49(1): 27-32 DOI: | ||
| Discussion of Surrounding Rock Classification for Tunnels in Shattered Rock Masses | ||
| (State Key Laboratory of Geohazard Prevention & Geoenvironment Protection, Chengdu University of Technology, Chengdu 610059) | ||
| Received null Revised null | ||
| Supporting info | ||
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