Shear Band Propagation in Soils and Dynamics of Tsunamigenic Landslides

This publication discusses a mechanism to overcome the underestimation of the real height of a tsunami wave. It is based on the phenomenon of shear band propagation along the failure surface of the landslide, as well as based on the energy balance (FMEB) approach from fracture mechanics. A main advantage of this approach is it allows a distinction to be made between progressive and catastrophic shear band propagation. The aim of this thesis is to validate the FMEB approach with physical tests and develop an analytical solution of the mechanism of tsunamigenic landslides, taking into account dynamic effects taking place during the failure process. When this method is applied to recent and historic landslides, it is possible to produce the initial landslide velocities, which significantly affect tsunami wave height predictions. This publication is divided into sections as follows: (1) Introduction; (2) Overview and State of the Art (Tsunamis and their Sources, Mechanics, Failure in Soils); (3) Progressive Shear Band Propagation in Trapdoor Tests; (4) Progressive Shear Band Propagation in Shear Blade Tests; (5) Catastrophic Shear Band Propagation in Biaxial Tests; (6) A Dynamic Solution of the Shear Band Propagation in Submerged Landslides; (7) Application to Historic and Recent Tsunamigenic Landslides; and (8) Summary and Outlook.

• Availability:
  • Find a library where document is available. Order URL: https://portal.d-nb.de/
• Corporate Authors:

  VDF Hochschulverlag AG an der Eidgenoessischen Technischen Hochschule Zuerich

  Raemistrasse 101
  Zuerich,   Switzerland  CH-8092
• Authors:
  • Saurer, Erich
• Publication Date: 2010

Language

• English
• German

Media Info

• Media Type: Print
• Features: Appendices; Figures; Maps; Photos; References; Tables;
• Pagination: 188p

Subject/Index Terms

• TRT Terms: Energy balance; Landslides; Mathematical prediction; Statistical inference; Tsunamis; Velocity measurement; Wave height; Wave motion
• Uncontrolled Terms: Shear banding
• Subject Areas: Geotechnology; Security and Emergencies; Transportation (General);

Filing Info

• Accession Number: 01352253
• Record Type: Publication
• ISBN: 9783728133175
• Files: TRIS
• Created Date: Sep 21 2011 7:14AM