Observation of Shear Banding Characteristics of Sand in Torsional Shear Test Using Image Analysis Technique

Conference paper
Part of the Springer Series in Geomechanics and Geoengineering book series (SSGG)


Accurate measurement in shear banding and strain localization studies is critical in characterizing the microstructural behavior within failure area. This research is aimed to investigate the effects of initial relative density on the shear banding behavior of sand. A series of tests on Toyoura sand with different initial relative densities were conducted using a hollow cylinderical torsional shear apparatus under drained condition. Unlike the tests conducted on prismatic specimens on plane strain condition, the tests conducted on hollow cylinderical specimens require more complex data analysis due to the curvature of their outer side surface. The test results both dilatancy rate and shear band expansion magnitude are found to have unique relationships with the specimen initial relative density.


Shear Band Shear Displacement Residual Stress State Dilatancy Rate Torsional Shear 
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  1. Yoshida, T., Tatsuoka, F., Siddiquee, M.S.A., Kamegai, Y., Park, C.S.: Shear banding in sands observed in plane strain compression. In: Chambon, R., Desrues, J., Vardoulakis, I. (eds.) Localization and Bifurcation Theory for Soils and Rocks, pp. 165–179. Rotterdam, Balkema (1994)Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Seto Wahyudi
    • 1
  • Yukika Miyashita
    • 1
  • Junichi Koseki
    • 1
  1. 1.Dept. of Civil EngineeringInstitute of Industrial Science (IIS), The University of TokyoMeguro-kuJapan

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