Modeling Gravity Hazards from Rockfalls to Landslides - 1st Edition - ISBN: 9781785480768, 9780081011973

Modeling Gravity Hazards from Rockfalls to Landslides

1st Edition

Authors: Vincent Richefeu Pascal Villard
eBook ISBN: 9780081011973
Hardcover ISBN: 9781785480768
Imprint: ISTE Press - Elsevier
Published Date: 23rd September 2016
Page Count: 178
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Description

Gravity hazards are a major concern to those living in mountainous areas. To protect infrastructure and human life in these areas, engineers require numerical tools for trajectory analysis, for application from fragmental rockfalls to large-scale avalanches or landslides.
This book explores state-of-the-art methods to model the propagation (flows and stops) of masses, using the discrete element method (DEM) to study the evolution of kinetics during an event. Taking into account the shape of the blocks and the topology of the terrain provides an explicit and sophisticated consideration of geometries, eliminating the need for stochastic inputs to rockfall simulations.  This method is validated experimentally, before the authors apply it to real case studies.  The book ends with an introduction to and comparison with the material point method (MPM), a new and promising approach able to bridge the gap between cases dominated by discreteness and those involving a very large number of elements.
Engineering consulting firms, researchers and students should find the approaches outlined in this book useful, whether designing prevention and protection systems for gravity hazards, or exploring new ways to model gravity hazards.

 

Key Features

  • Covers conventional methods used to study gravitational phenomena using empirical parameters
  • Presents a new numerical tool taking account of the physical phenomenon (friction, dissipation, realistic block shapes) and a methodology for parameter calibration and the achievement of numerical simulations
  • Applies the numerical model to real cases with a critical analysis of its applicability in the field of engineering
  • Emphasizes the discrete element method (DEM)

Readership

Consulting firms that need to design systems of prevention and protection against rock avalanches. Students and researchers interested in the modeling of gravitational phenomena. Scientists and students interested in numerical method, users of numerical models dedicated to environmental hazards, practitioners and stakeholders

Table of Contents

  • Foreword
  • Introduction
  • 1: Computational Methods
    • Abstract
    • 1.1 Trajectory analysis
    • 1.2 Discrete element method
    • 1.3 Material point method
  • 2: DEM Applied to Laboratory Experiments
    • Abstract
    • 2.1 Description of the experiments
    • 2.2 Definition and assessment of the contact parameters
    • 2.3 Simulation versus experiment results
    • 2.4 Further clues handled by numerical results
    • 2.5 Concluding remarks
  • 3: Parameters that May Affect the Flow
    • Abstract
    • 3.1 Constituting blocks
    • 3.2 Contact parameters
    • 3.3 Propagation area
    • 3.4 Concluding remarks
  • 4: Application to Actual Rockfalls
    • Abstract
    • 4.1 Retro analysis of a natural rockfall implying a few blocks
    • 4.2 Numerical modeling of an artificially triggered rockfall
    • 4.3 Forecast of a rockfall propagation toward a protective structure
  • 5: From Discrete to Continuum Modeling
    • Abstract
    • 5.1 Geometries and parameters used
    • 5.2 Analysis
    • 5.3 Concluding remarks
  • Conclusion
  • Bibliography
  • Index

Details

No. of pages:
178
Language:
English
Copyright:
© ISTE Press - Elsevier 2016
Published:
Imprint:
ISTE Press - Elsevier
eBook ISBN:
9780081011973
Hardcover ISBN:
9781785480768

About the Author

Vincent Richefeu

Vincent Richefeu is a researcher at University Grenoble Alpes in France, in the 3SR group. He has been working within the framework of a European project related to Medium and Small Size rockfall hazard Assessment (MASSA) since 2009. His current research interests focus on the modeling of granular media by introducing more physics at low scales.

Affiliations and Expertise

Associate Professor, Laboratory 3SR, University of Grenoble, Alpes, France

Pascal Villard

Pascal Villard is a researcher at University Grenoble Alpes in France, in the 3SR group. He has been working within the framework of a European project related to Medium and Small Size rockfall hazard Assessment (MASSA) since 2009. His current research interests focus on large-scale structures made of geo-materials.

Affiliations and Expertise

Professor, Laboratory 3SR, University of Grenoble, Alpes, France