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Freeze-Thaw Stability of Slopesin Seasonally Frozen Regions of the Northeast China

机译：东北季节性冻区斜坡的冻融稳定性

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摘要

The finite element analysis is used to investigate the effects of initial waterrncontent, freezing temperature and freeze-thaw layer thickness on the stability of thernthawing slope in a seasonally frozen region of Northeast China. The finite elementrnmethod with shear strength reduction technique is used to evaluate the stability ofrnslopes under the freeze-thaw processing. The numerical results indicated that thernslope stability decreases with increasing initial water content, debasing freezingrntemperature, increasing freeze-thaw layer thickness and thawing depth. Initial waterrncontent has the biggest influence on the slope stability. The above results enrich therninvestigations on the freeze-thaw stability of slopes in the seasonally frozen areas andrnprovide the instructions for engineering practice controlling the freeze-thaw stabilityrnof slopes.
机译：利用有限元分析方法，研究了东北季节性冻融区初始含水量，冻结温度和冻融层厚度对融化坡度稳定性的影响。采用剪切强度折减法的有限元方法对冻融条件下边坡的稳定性进行了评价。数值结果表明，边坡稳定性随着初始含水量的增加，冻结温度的降低，冻融层厚度的增加和融化深度的增加而降低。初始含水量对边坡稳定性影响最大。上述结果丰富了对季节性冻融区边坡冻融稳定性的研究，并为控制边坡冻融稳定性的工程实践提供了指导。

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  • 来源
  • 会议地点 Harbin(CN);Harbin(CN)
  • 作者

    WANG Lina; LING Xianzhang; ZHANG Feng; GAO Xia; WU Liquan;

  • 作者单位

    Institute of Subgrade and Protection Engineering, Harbin Institute of Technology,rnP.O. Box 150090, City, Harbin, P.R.China PH (86) 451- 86282120 email: wlnyongji@126.com;

    Institute of Subgrade and Protection Engineering, Harbin Institute of Technology,rnP.O. Box 150090, City, Harbin, P.R.China PH (86) 451- 86282120;

    Institute of Subgrade and Protection Engineering, Harbin Institute of Technology,rnP.O. Box 150090, City, Harbin, P.R.China PH (86) 451- 86282120;

    Institute of Subgrade and Protection Engineering, Harbin Institute of Technology,rnP.O. Box 150090, City, Harbin, P.R.China PH (86) 451- 86282120;

    School of Civil Engineering and Architecture, Zhejiang University of Science andrnTechnology, P.O. Box 310023, City, Hangzhou, P.R. China PH;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 交通工程与交通管理;
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