Constitutive Modeling of Geomaterials: Principles and Applications

Introduction PART 1: MODELING OF GEOMATERIALS Fundamentals of Conventional Elastoplasticity Introduction One-dimensional modeling of elastoplastic materials Multidimensional modeling of elastoplastic materials Modeling of One-Dimensional Soil Behavior Introduction Modeling of normally consolidated soils-conventional elastoplastic modeling Modeling of overconsolidated soils-advanced elastoplastic modeling at stage I Modeling of structured soils (naturally deposited soils)-advanced elastoplastic modeling at stage II Modeling of other features of soils-advanced elastoplastic modeling at stage III Loading condition using increment of total change of void ratio and explicit expression in advanced elastoplastic modeling Application of the advanced model (stage III) to time-dependent behavior of soil Meaning of present time-dependent model-common and different points to Sekiguchi model Simulation of time-dependent behavior of soil in one-dimensional conditions Application of advanced methods to modeling of some other features Ordinary Modeling of Three-Dimensional Soil Behavior Introduction Outline of ordinary elastoplastic models such as the Cam clay model Discussion on applicability of Cam clay type model in three-dimensional conditions based on test results Unified Modeling of Three-Dimensional Soil Behavior Based on the tij Concept Introduction Concept of modified stress tij Three-dimensional modeling of normally consolidated soils based on the tij concept Three-Dimensional Modeling of Various Soil Features Based on the tij Concept Introduction Three-dimensional modeling of overconsolidated soils-advanced elastoplastic modeling at stage I Three-dimensional modeling of structured soils-advanced elastoplastic modeling at stage II Three-dimensional modeling of other features of soils-advanced elastoplastic modeling at stage III Conclusions of Part 1 PART 2: NUMERICAL AND PHYSICAL MODELING OF GEOTECHNICAL PROBLEMS Introduction to Numerical and Physical Modeling Introduction Modeling the interface behavior between soil and structure Geomaterials used in 2D and 3D model tests and their material parameters Tunneling Two-dimensional trapdoor problems Three-dimensional trapdoor problems Circular tunneling Earth Pressure of Retaining Walls and Bearing Capacity of Foundations Active and passive earth pressure behind retaining walls Braced open excavation Strip foundation and piled raft foundation Reinforced Soils Reinforced foundation under uplift loading Reinforcing for increasing bearing capacity Localization and Shear Band Development in Element Tests Introduction Outline of analyses Results and discussion Conclusions of Part 2 References Index