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Shear Strength Characterization using Non-Conventional Testing

Participants: Curtis Mathis, Satoshi Takata

Description: This project involves the determination of residual shear strength of Colorado claystones obtained using both ring shear and direct shear devices. This project also involves the development of a large-scale direct shear device with large-displacement capabilities representative of residual conditions for most soils.

In addition, a cubical cell capable of testing a tire shred-soil or fiber reinforcement- soil mixture as an elemental cube has been developed. This project allows determination of the effects of reinforcement on soil improvement and anisotropy.

References:

Takata, S., and Zornberg, J.G. (2001). True Triaxial Testing for Shear Strength Characterization. Geotechnical Research Report, Department of Civil, Environmental and Architectural Engineering, University of Colorado at Boulder , January 2001.

Takata, S. (2000). Upgrade of a Large Scale True Triaxial Apparatus for Shear Strength Characterization. M.S. thesis, Department of Civil Environmental and Architectural Engineering, University of Colorado at Boulder, Boulder, Colorado, August 2000, 207 p.

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