Time-Dependent Behavior of Geomaterials book cover

Time-Dependent Behavior of Geomaterials

Experimental Observations and Modeling Approaches

As the geotechnical engineering profession increasingly draws upon analytical modeling implemented in numerical modeling, the demand for more advanced, and thus more accurate, depictions of soil behavior will be needed. Time-Dependent Behavior of Geomaterials: Experimental Observations and Modeling Approaches provides civil engineers and researchers working in this area with a variety of geomechanics modeling tools ranging from field testing interpretation to modeling of geotechnical design responses to various loading conditions.

With this book in hand, both researchers and practitioners receive a more sophisticated treatment of complex behavior topics including: interpretation and modelling of test results from short-term field instrumentation as they apply to long-term phenomenon (e.g., landslides); validation of modelling for interpreting and extrapolating laboratory test results for field applications; and understanding the complexities of measurements and modelling of highly complex, multiphase, anisotropic geomaterials

Audience

Researchers, Geotechnical engineers, Civil Engineers, Foundation Engineers, and Soil Mechanics Engineers

Hardbound,

Published: February 2015

Imprint: Butterworth Heinemann

ISBN: 978-0-12-420188-0

Contents

  • Part One: Experimental results

    Chapter 1: Introduction

    Chapter 2: Primary experimental difficulties and considerations

    Chapter 3: Clays

    • Drained
      • Shear
      • Consolidation

    • Consolidation theory, Secondary compression Preconsolidation pressure, compression curve Undrained
      • Triaxial constant rate
      • Triaxial variable rate
      • Triaxial creep
      • Triaxial relaxation

    • Observations related to modeling

    Chapter 4: Sands

      • Drained shear
      • Undrained shear

    Chapter 5: Rock

    Part Two: Macroscopic Modeling approaches

    Chapter 1: Microscopic Hypotheses underlying Macroscopic Modeling of Time-Dependent Response

    • Theories Based on Structural Viscosity
    • Theories Based on Breakage and Reformation of Bonds
    • Theories Based on Statistical Mechanics
    • Theories Based on the Assumption of Two Levels of Structure

    Chapter 2: General Aspects of Time-Dependent Response of Geomaterials

    • The instantaneous response
    • The delayed response

    Chapter 3: Simple Time-Dependent Models Proposed for Cohesive Soils (brief discussion only)

    • Consolidation Theories
    • Rate Process Theory Based Relations
    • Rheological Models

    Chapter 4: Elastic/Viscoplastic Models

    • Models of Adachi, Oka & co-workers
    • Other models that combine Perzyna viscoplasticity with some sort of elastolastic model (e.g., Zienkiewicz et al., Katona, Nova, more recent models by Japanese researchers, etc.).

    Chapter 5: Coupled Elastoplastic-Viscoplastic Models

    • Dafalias (1982) theory
    • Subsequent work in developing the model (e.g., inclusion of anisotropy, non-associative flow, etc.).

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