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| THE STUDY OF YARD-AND-STATION ROADBED'S TEMPERATURE FIELD OF QINGHAI-TIBET RAILWAY IN PERMAFROST REGION |
| MIN Dong-li,WEI Qing-chao,WANG Lian-jun,SU Yi,SUN Zeng-kui |
| School of Civil Engineering & Architecture,Northern Jiaotong University |
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Abstract The width of yard-and-station roadbed is twice over common single-track embankment. Based on the experimental data of Qinghai-Tibet railway's experimentation project,the paper analyses the character of yard-and-station roadbed's temperature field and artificial permafrost table，also discusses the rule of the process of embankment's freezing and thaw. The stability of embankment in permafrost region is also presented.
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Received: 05 February 2014
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