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岩土工程实践中的本构建模

通讯员:      发布日期:2021-11-02     浏览量:

课程名称:

《Constitutive Modelling in Practical Geotechnical Analysis》

(岩土工程实践中的本构建模)


授课人:李福豪院士,新加坡国立大学终身教授,武汉大学讲座教授


开始时间:2021年10月30日


课程安排:

每周二晚上,18:30-20:30,腾讯视频会议(ID: 618 3226 8854)

每周六下午,15:00-17:00,腾讯视频会议(ID: 457 3093 2536)


授课人简介:



李福豪(LEE Fook-Hou)教授是新加坡工程院院士,新加坡国立大学终身教授,武汉大学讲座教授,新加坡注册土木工程师、注册岩土工程师并担任注册岩土工程师的会评专家。担任国际SCI源杂志《Journal of Earthquake and Tsunami》主编,以及《ASTM Geotechnical Testing Journal》《Computers and Geotechnics》《岩土工程学报》等杂志编委。于2009年、2013年至2017年期间荣获《Computers and Geotechnics》期刊的十二佳审稿人奖。与新加坡Geosoft软件公司合作开发了岩土工程商业有限元软件GeoFEA。此外,李教授是英国工程与物理科学研究委员会(EPSRC)理事会成员,长期评审EPSRC的研究资助提案,并多次担任瑞士国家科学基金以及中国教育部“长江学者”外审专家。曾是多所中国高等科研院校(如南京水科院、华中科技大学)的客座教授。在国际期刊上发表期刊论文90余篇,包括岩土工程顶级刊物《Géotechnique》20余篇。

欢迎相关专业研究生参与!


课程提纲:

Constitutive Modelling in Practical Geotechnical Analysis

o Stress-strain and effective stress

§ concepts of continuum Mechanics

§ Concepts of Stress and strain

§ Elastic stress-strain relationships

§ Concept of effective stress

§ Elastic plastic Materials: - Stress path parameter

§ Linear Elastic Materials

§ Undrained test on linear Elastic Materials

§ Triaxial test conditions

§ Concept of effective stress

· Volumetric strain

· Normal Strain

§ Perfectly Plastic Materials

§ Basic Ingredients of plasticity Model

§ Yield Criterion

§ Mohr-Coulomb Yield Criterion

§ Behavior of the real soil

§ Plastic potential


o Strain and stress path

§ Mohr-coulomb Model

§ Definition of generalized shear strain

§ Graphical representation

§ Yield envelopes of real soil


o Critical State Concept

§ Critical state soil Mechanics

§ Strain hardening cap models

§ Stress path for isotropic compression

§ Loading-reloading curve

§ Critical state interpretation

§ Critical and Residual states

§ Critical state interpretation of index tests

§ Rationale of the index tests


o Stress - Dilatancy

§ Introduction to stress dilatancy and flow rule

§ Stress dilatancy

§ Taylor’s dilation equation.

§ Energy equation for triaxial conditions

§ Plastic potential

§ Pre-consolidation and Volumetric hardening

§ Cam clay Model introduction


o Constitutive Models and Cam Clay

§ Cam Clay Model

§ Graphical representation

§ Drained loading

§ Undrained Loading

§ Isotropic compression

§ Cam Clay Model- Summary

§ Behavior of Cam Clay model

§ Pore-pressure parameters


o Elastic and elasto-plastic behavior

§ Association of plastic potential with yield surface

§ Pre- consolidation and volumetric hardening

§ Modified Cam Clay

§ Formulation of model

§ Differences between original and Modified Cam Clay Model

§ Behavior of Modified Cam Clay in Triaxial test

§ Advantages of cam clay over Mohr-Coulomb.

§ Limitations of the Cam Clay modelling

§ Beyond Cam Clay-modelling real soil behavior

§ Contributions of the cam clay model

§ Critical state concept in BS8002 for Retaining walls

§ Non- linearity in pre-peak stress-strain curve

§ Some other soil models- Duncan-Chang hyperbolic Model

§ Cohesive Cam Clay(C3) model: an example of a de-structuration model for Cement admixture clay


o Finite element programming

§ Example of In-situ soil behavior – Singapore Marine Clay

§ Modelling structural behavior

§ Geometric and Construction aspects, 2-D or 3-D

§ 3-D Finite Elements Analysis