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Keywords: second-excavated tunnel
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Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-124
... design, especially a better choice in the design of highway in mountain area. damage depth second-excavated tunnel multi-arch tunnel primary lining excavation order rockbolt zhong shihang rock mass tensile strength construction technology main construction technology iv class super...

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