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| 2013, Vol. 50(4): 35-41 DOI: | ||
| Study of Defect Distribution Regularity in Existing Tunnels and the Classification of Tunnel Environments | ||
| （1 Department of Civil Engineering, Southwest Jiaotong University, Emei 614202; 2 Key Laboratory of Transportation Tunnel Engineering, Ministry of Education, School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031） |
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| Received null Revised null | ||
| Supporting info | ||
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