PDF(266 KB)
Analyses of Karst at Eastern Portal of Huaying Mountain Tunnel and Treatment of Karst Cave
SHANG Han-chun
Journal of Railway Engineering Society ›› 2007, Vol. 24 ›› Issue (8) : 58-60.
PDF(266 KB)
PDF(266 KB)
Analyses of Karst at Eastern Portal of Huaying Mountain Tunnel and Treatment of Karst Cave
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