封面
声明
致谢
中文摘要
英文摘要
目录
变量注释表
1绪论
1.1课题研究背景(Background of Study)
1.2研究目的及意义(Purpose and Significance)
1.3国内外研究现状(Actualities of Study)
1.4研究内容、方法及技术路线(Contents, Methods and Routes)
2土性参数随机场描述与离散
2.1基本概念(Basic Concept)
2.2随机场的数字特征( Numerical Characteristics of Random Field)
2.3随机场的局部平均理论(Local Average Theory of Random Field)
2.4三角形单元局部平均法(Local average method of triangular elements)
2.5本章小结(Summary)
3多年冻土路基温度场随机有限元分析
3.1控制微分方程与有限元公式(Governing Differential Equations and Finite Element Formulae)
3.2冻土路基温度场随机分析模型(Stochas tic Anal ysis Model of Temperature Field for Subgrade in Permafrost Regions)
3.3冻土路基温度场随机有限元程序开发( Stochastic Finite Element Program of Temperature Field for Subgrade in Permafrost Regions)
3.4工程实例(Engineering Example)
3.5本章小结(Summary)
4冻土本构模型及数值算法
4.1弹性部分与强度准则(Flexible Part and Strength Criterion)
4.2屈服面与硬化参数(Yield Surface and Hardening Parameter)
4.3应力-应变关系(Stress-Strain Relationship)
4.4模型参数获取(Model Parameter Acquisition)
4.5变刚度算法(Algorithm of Variable Stiffness)
4.6本章小结(Summary)
5多年冻土路基应力场与变形场随机有限元分析
5.1控制微分方程与有限元公式(Governing Differential Equations and Finite Element Formulae)
5.2冻土路基应力场与变形场随机分析模型(Stochastic Analysis Model of Stress Field and Deformation Field for Subgrade in Permafrost Regions)
5.3冻土路基应力场与变形场随机有限元程序开发(Stochastic Finite Element Program of Stress Field and Deformation Field for Subgrade in Permafrost Regions)
5.4工程实例(Engineering Example)
5.5本章小结(Summary)
6结论及展望
6.1结论(Conclusions)
6.2展望(Prospects)
参考文献
附录A
附录B
附录C
作者简历
学位论文数据集