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    Volume 20, Issue 3 (September 1997)

    Seismic Flat Dilatometer Tests in Connecticut Valley Varved Clay

    Published Online: 16 July 2014

    CODEN: GTJODJ

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    Abstract

    Downhole shear wave velocity measurements have been incorporated within a “Marchetti” flat dilatometer by placing a velocity transducer in a connecting rod just above the blade. The hybrid of combining downhole seismic with flat dilatometer, termed the seismic dilatometer test (SDMT), has the superior advantages of determining both the routine estimates of soil properties and stratigraphic information, while also measuring the small-strain stiffness within a single sounding. The SDMT is rapid, simple, and cost effective, requiring essentially no more time than a conventional dilatometer sounding. Results of seismic dilatometer testing in clays at the National Geotechnical Experimental Test Site (NGES) in Amherst, Massachusetts are presented and compare favorably with results from companion series of seismic cone penetrometer tests.


    Author Information:

    Martin, Gina Kates
    GeoSyntec Consultants, Atlanta, GA

    Mayne, Paul W.
    Associate professor, School of Civil & Environmental Engineering, Georgia Institute of Technology, Atlanta, GA


    Stock #: GTJ19970011

    ISSN:0149-6115

    DOI: 10.1520/GTJ19970011

    Author
    Title Seismic Flat Dilatometer Tests in Connecticut Valley Varved Clay
    Symposium ,
    Committee D18