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Non-coaxial soil model with an anisotropic yield criterion and its application to the analysis of strip footing problems

机译:具有各向异性屈服准则的非同轴土模型及其在带状基础问题分析中的应用

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摘要

This paper presents numerical applications of a non-coaxial soil model, in which an anisotropic yield criterion is incorporated, to analyze two-dimensional strip-footing problems. Semi-analytical solutions of the bearing capacity for a strip footing that rests on anisotropic, weightless, cohesive-frictional soils are developed based on the slip line method. The degrees of influences of soil anisotropy and non-coaxiality on the bearing capacity of the strip footing are examined. From the viewpoint of strength and stiffness, it is necessary to incorporate both the strength anisotropy and non-coaxiality into numerical simulations and practical designs of geotechnical problems.
机译:本文介绍了一个非同轴土模型的数值应用,该模型中并入了各向异性屈服准则,以分析二维带状地基问题。基于滑移线法,开发了基于各向异性,失重,粘性摩擦土的条形基础承载力的半解析解。研究了土壤各向异性和非同轴度对带状基础承载力的影响程度。从强度和刚度的角度来看,有必要将强度各向异性和非同轴性都纳入岩土工程问题的数值模拟和实际设计中。

著录项

  • 来源
    《Computers and Geotechnics》 |2018年第7期|80-92|共13页
  • 作者单位

    Southwest Jiaotong Univ, Minist Educ, Key Lab Transportat Tunnel Engn, Chengdu 610031, Sichuan, Peoples R China;

    Univ Leeds, Sch Civil Engn, Leeds LS2 9JT, W Yorkshire, England;

    Univ Nottingham, Nottingham Ctr Geomech, Nottingham NG7 2RD, England;

    Southwest Jiaotong Univ, Fac Geosci & Environm Engn, Chengdu 610031, Sichuan, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Non-coaxial plasticity; Soil anisotropy; Numerical simulation; Strip footing;

    机译:非同轴塑性;土壤各向异性;数值模拟;带状基础;

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