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| 2020, Vol. 57(6): 55-62 DOI: | ||
| Upper Bound Analysis of Three-Dimensional Active Stability of a Shallow Tunnel Face Based on the Strength Reduction Method | ||
| (1 Hunan Expressway Group Co. Ltd, Changsha 410004; 2 Southwest Jiaotong University, Chengdu 610031; 3 Central South University,Changsha 410075) | ||
| Received null Revised null | ||
| Supporting info | ||
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