Abstract：The responses of soil temperature profile to construction of engineering piles in permafrost are studied by analyzing the in-situ data. For the specific situation observed, it is found that the soil temperature under observation is raised 0. 7℃，the temperature in the pile decreases to below 0 ℃ in 60 days after reaching its maximum value of 4℃，however, it may be a long process for the soil temperature around the pile to recover its original value.
牛永红，刘永智. 桩基施工对冻土区地温影响的试验研究[J]. 铁道工程学报, 2004, 21(1): 30-33.
NIU Yong-hong，LIU Yong-zhi. FIELD OBSERVATION ON RESPONSES OF SOIL TEMPERATURE PROFILE TO CONSTRUCTION OF ENGINEERING PILES IN PERMAFROST. Journal of Railway Engineering Society, 2004, 21(1): 30-33.
2004, Vol. 21 
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