PDF(166 KB)
EFFECT OF SOFT ROCK AND EXTREMELY SOFT ROCK ON CONSTRUCTION OF TUNNEL AND ROADBED IN XI-KANG RAILWAY
ZHANG FU-zhong
Journal of Railway Engineering Society ›› 2000, Vol. 17 ›› Issue (4) : 90-94.
PDF(166 KB)
PDF(166 KB)
EFFECT OF SOFT ROCK AND EXTREMELY SOFT ROCK ON CONSTRUCTION OF TUNNEL AND ROADBED IN XI-KANG RAILWAY
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