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Abstract This paper intruduces the first railway across the salt-lake in China. By resoviing some important technological problems on construction road through the salt-lake and salin- ized soil area，such as the salt-lake development,salty rock strength and stability,effect on the salt-lake by streams,whether ultra-chloric salty soil can be used as filling and the salt in?crustation can be rooted，etc,the subgrade has been built up successfully,it is in good condi?tion by practice.
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Received: 22 May 1996
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1996, Vol. 13 
