STP740: Discussion on Laboratory Shear Devices

    Ladd, CC
    Professor of Civil Engineering, Massachusetts Institute of Technology, Cambridge, Mass.

    Pages: 10    Published: Jan 1981


    Abstract

    This discussion starts with a general assessment of the capabilities of several types of laboratory shear devices and their corresponding suitability for use in specialized design practice and for basic research into the constitutive stress-strain-strength relationships of soils. It then focuses in greater depth on two specific topics: use of the Geonor Direct Simple Shear (DSS) device for design practice involving soft clays, and experimental requirements needed to reliably measure stress-strain-strength behavior in cross anisotropic soils.

    Keywords:

    anisotropy, clay, deformation, laboratory test equipment, sand, shear modulus, shear strength, shear tests


    Paper ID: STP28778S

    Committee/Subcommittee: D18.12

    DOI: 10.1520/STP28778S


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