STP883

    Evaluation of Shear Modulus for Soft Marine Clays, Mississippi Delta

    Published: Jan 1985


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    Abstract

    Samples from a single borehole near Pass A Loutre of the Mississippi River Delta were subjected to resonant column and undrained strain-controlled triaxial tests. Degradation of the backbone curve with number of cycles of loading during the resonant column test was analyzed and found to be significant for the soft, highly plastic clay samples tested. A method for correlating the shear modulus Gmax with undrained shear strength su for these very soft sediments is proposed.

    Keywords:

    marine clay, marine geology, shear strength, Mississippi Delta sediments, cyclic response, backbone curve, shear modulus, soft marine clays


    Author Information:

    Pamukcu, S
    Graduate research assistant and associate professor, Louisiana State University, Baton Rouge, LA

    Suhayda, JN
    Graduate research assistant and associate professor, Louisiana State University, Baton Rouge, LA


    Paper ID: STP36345S

    Committee/Subcommittee: D18.05

    DOI: 10.1520/STP36345S


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