PDF(2536 KB)
Analysis on Relationship between Tunnel Depth and Supporting Time of Secondary Liner
Fang Jianqin , Xia Caichu, Bian Yuewei, Peng Yuwen, He Kun
Chinese Journal of Underground Space and Engineering ›› 2011, Vol. 7 ›› Issue (2) : 263-268.
PDF(2536 KB)
PDF(2536 KB)
Analysis on Relationship between Tunnel Depth and Supporting Time of Secondary Liner
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