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Keywords: weak rock stratum
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Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-097
... Abstract The function mode of influencing factors and recognition method for the loose zone of large span tunnels which are built in heavily jointed rock stratum are very important. Factors like the thickness of overlying weak rock stratum, tunnel depth and joints occurrences are influencing...

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