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Shanxi Architecture. 2012, (27)

On analysis of temperature field of CFG pile of islet permafrost areasChinese Full Text

JIA Yan-min XU Da(Civil Engineering College,Northeast Forestry University,Harbin 150040,China)

Abstract: The paper establishes CFG pile-islet frozen earth temperature test field at K44+400K44+575 along Yi-Sui expressway,analyzes the temperature changes of the CFG pile at the islet permafrost areas by the observation,concludes the features of the CFG pile’s temperature changes in the islet frozen earth and the temperature change law of the raft plate on the pile,establishes the heat transfer model for the CFG pile-islet frozen earth by using the finite element software,analyzes the influence of various factors on the temperature field of the CFG pile and achieves partial conclusions.
Keywords：

islet permafrost; CFG composite foundation; temperature field; numeric simulation;

  • DOI：

    10.13719/j.cnki.cn14-1279/tu.2012.27.117

  • Series：

  • Subject：

  • Classification Code：

    TU473.1

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