 2004, Vol. 23 Issue (S1): 4544-4546 DOI: |
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| ENGINEERING GEOLOGICAL ANALYSES ON 2·22 BLOCKAGE ACCIDENT IN TBM CONSTRUCTION OF Shanggongshan Tunnel | |||
| Song Tiantian1，Xiao Zhengxue1，Su Huayou1，Lu Xiaoxia2 | |||
| (1College of Environment Engineering，Southwest University of Science and Technology， Mianyang 621010 China) (2Zhangjiuhe Project Department of CMC Company， Kunming 651500 China) | |||
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