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| DISCUSSION ON THE STABILITY OF SUBGRADE IN PLATEAU PERMAFROST AREA |
| LI Yan-ping |
| The Twelfth Engineering Bureau Group Co. of Chinese Railway |
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Abstract This paper describes the subgrade disease of trial section on Qinghai-Tibet Railway after a freeze-thaw cycle, analyzes the problems in the subgrade based on observation on the subgrade settlement and proposes the protection measures for ice-riching permafrost and precautions for the construction in plateau permafrost area.
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Received: 11 August 2003
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2003, Vol. 20 
