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《Journal of Hunan Institute of Engineering(Natural Science Edition)》 2009-01
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Analysis of Field Temperature on Subgrade in Permafrost Swamp

LIANG Qiao1,LIANG Bo2,ZHOU Wen-quan1(1.School of Architecture Engineering,Hunan Institute of Engineering,Xiangtan 411104,China; 2.School of Civil Engineering and Architecture,Chongqing Jiaotong University,Chongqing 400074,China)  
Railway building on the permafrost region breaks the heating power balance between the original earth surface and the outside environment,which leads to the redistribution of the underground temperature field.Through test data from Anduo Section of Qinghai-Tibet railway,this paper discusses and analyzes the characteristics of temperature and the permafrost upper limit change of the subgrade that has adopted geogrid measures and piece of rocks for the foundation treatment on the permafrost swamp.
【CateGory Index】: U213.14
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