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首页> 外文期刊>Ocean Engineering >Application of T-EMSD based p-y curves in the three-dimensional analysis of laterally loaded pile in undrained clay
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Application of T-EMSD based p-y curves in the three-dimensional analysis of laterally loaded pile in undrained clay

机译：T-EMSD基P-y曲线在未加工粘土中横向装载桩三维分析中的应用

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摘要

To apply the p-y curve method in laterally loaded pile analyses, three-dimensional effects in component such as the ultimate pile bearing capacity, pile compatibility factor and initial subgrade modulus must be incorporated. A framework to consider these factors in the theoretical p-y curve derived by the Total-displacement-loading Extended Mobilisable Strength Design (T-EMSD) approach is presented. The bearing capacity design equation can be used to estimate the continuous velocity fields based pile compatibility factor profile. To verify the pile bearing capacity design equation fitted from an upper-bound solution, centrifuge experiments of rigidly translated piles were performed. Corresponding finite element analyses were also performed. The pile compatibility factor profile was obtained through the verified bearing capacity equation and experimental results. Finally, the applications of plane-strain p-y curves to three-dimensional problems were demonstrated via experiment simulation and parametric study.
机译：为了在横向装载的绒毛分析中应用P-Y曲线方法，必须掺入诸如最终灌注承载力，绒头兼容性因数和初始路基模量的部件中的三维效应。提出了一种框架，以考虑由总位移加载扩展可移动强度设计（T-EMSD）方法的总位移加载延伸的理论P-Y曲线中的这些因素。承载能力设计方程可用于估计基于连续速度场的绒阀兼容性因子配置文件。为了验证从上限解决方案安装的桩承载能力设计方程，进行了刚性翻倒的桩的离心实验。还进行了相应的有限元分析。通过经过验证的承载能方程和实验结果获得绒毛兼容性因子谱。最后，通过实验模拟和参数研究证明了平面应变P-Y曲线对三维问题的应用。

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  • 来源
    《Ocean Engineering》 |2020年第15期|107256.1-107256.13|共13页
  • 作者

    Li Sen; Yu Jian; Huang Maosong; Leung C. F.;

  • 作者单位

    Tongji Univ Dept Geotech Engn Shanghai 20092 Peoples R China|Tongji Univ Key Lab Geotech & Underground Engn Minist Educ Shanghai 200092 Peoples R China;

    Tongji Univ Dept Geotech Engn Shanghai 20092 Peoples R China|Tongji Univ Key Lab Geotech & Underground Engn Minist Educ Shanghai 200092 Peoples R China;

    Tongji Univ Dept Geotech Engn Shanghai 20092 Peoples R China|Tongji Univ Key Lab Geotech & Underground Engn Minist Educ Shanghai 200092 Peoples R China;

    Natl Univ Singapore Ctr Offshore Res & Engn Dept Civil & Environm Engn Singapore 117576 Singapore;

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  • 正文语种 eng
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  • 关键词

    Laterally loaded pile; Ultimate bearing capacity factor; Compatibility factor; p-y curve; Centrifuge experiment;

    机译：横向装载桩;终极承载力因子;兼容性因子;P-Y曲线;离心机实验;

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