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A theoretical framework for thawing soil

         

摘要

This paper puts forward the coupling model of the heat-moisture-stress field based on the governing equation of non-stationary heat transfer, moisture movement and the basic differential equations of deformation problem by displacement under axisymmetric conditions. Using a detailed calculation example for the section of the Xiang Pi Mountain in 109th National Highway, a mechanical model of the cylinder made by typical silty clay soil is simulated. Results show that in the coupling process, dynamic stress pays little contribution to the distribution of temperature field along different depths, and the amount of thawing deformation increased with dynamic loading time under the same frequency and amplitude.

著录项

  • 来源
    《寒旱区科学(英文版)》 |2013年第4期|451-456|共6页
  • 作者单位

    School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China;

    School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China;

    School of Civil and Transportation Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100044, China;

  • 原文格式 PDF
  • 正文语种 eng
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