PDF(262 KB)
KEY CONSTRUCTION TECHNIQUE ON SOFT-ROCK SEC?TION AT ENTRANCE OF QILING TUNNEL
Wu Zhisheng
Journal of Railway Engineering Society ›› 1995, Vol. 12 ›› Issue (1) : 91-94.
PDF(262 KB)
PDF(262 KB)
KEY CONSTRUCTION TECHNIQUE ON SOFT-ROCK SEC?TION AT ENTRANCE OF QILING TUNNEL
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