Abstract：This paper introduces the engineering geological nature of the soft rock and extremely soft rock which were distributed over the south segment of QINLIN G M OUNT AIN in Xi-Kang railway. It presents also the directive principle of the design. It analyses the influence to the tunnel and roadbed. Finally， it gives several proposals about surveying，designing and constructing the railway's tunnel and roadbed through these stratum， so as to be used for reference.
张福忠. 西康铁路软岩和极软岩对隧道和路基工程的影响[J]. 铁道工程学报, 2000, 17(4): 90-94.
ZHANG FU-zhong. EFFECT OF SOFT ROCK AND EXTREMELY SOFT ROCK ON CONSTRUCTION OF TUNNEL AND ROADBED IN XI-KANG RAILWAY. Journal of Railway Engineering Society, 2000, 17(4): 90-94.
2000, Vol. 17 
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