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| 2013, Vol. 50(6): 39-43 DOI: | ||
| Risk Assessment of Tunnel Construction Schedule and Cost Based on the Alteration of Rock Mass Classifications | ||
(1 School of Economics and Management, Southwest Jiaotong University, Chengdu 610031;
2 Key Laboratory of Transportation Tunnel Engineering of Ministry of Education, Southwest Jiaotong University, Chengdu 610031) |
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| Received null Revised null | ||
| Supporting info | ||
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