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Multiscale and Multiphysics Processes in Geomechanics pp 1–4Cite as

EXPERIMENTAL EVIDENCE OF STRUCTURAL DEVELOPMENT INSIDE SHEAR BANDS IN SANDS

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

Summary

We show experimental evidence of vortices emanating from collapsed force chains in shear bands in real sands. From digital image-based local displacement data, a systematic, spatial pattern in kinematic data fields appears at the softening-critical state transition. By subtracting a linear shear displacement field from the observed non-affine displacement field, vortices appear and coordinate with the observed kinematics. We note differences in the vortex patterns observed in our sands from those observed in simulations on “ideal” granular materials, and discuss the fate of these vortices.

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References

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Authors and Affiliations

  1. Sonny Astani Department of Civil and Environmental Engineering, University of Southern California, 3620, S. Vermont Ave, Los Angeles, CA, 90089, USA

    Amy L. Rechenmacher, Sara Abedi & Igor Faoro

Authors
  1. Amy L. Rechenmacher
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  2. Sara Abedi
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  3. Igor Faoro
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Editor information

Editors and Affiliations

  1. Department of Civil and Environmental Engineering, Stanford University, 94305-4020, Stanford, California, USA

    Ronaldo I. Borja

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© 2011 Springer-Verlag Berlin Heidelberg

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Rechenmacher, A.L., Abedi, S., Faoro, I. (2011). EXPERIMENTAL EVIDENCE OF STRUCTURAL DEVELOPMENT INSIDE SHEAR BANDS IN SANDS. In: Borja, R.I. (eds) Multiscale and Multiphysics Processes in Geomechanics. Springer Series in Geomechanics and Geoengineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-19630-0_1

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  • DOI: https://doi.org/10.1007/978-3-642-19630-0_1

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-19629-4

  • Online ISBN: 978-3-642-19630-0

  • eBook Packages: EngineeringEngineering (R0)

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