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    Volume 43, Issue 1 (January 2020)

    DMT for Load-Settlement Curve Prediction in a Tropical Sandy Soil Compared to Plate Load Tests

    (Received 9 March 2018; accepted 30 October 2018)

    Published Online: 22 January 2019

    CODEN: GTJODJ

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    Abstract

    The flat dilatometer test (DMT) has been used as an accurate in situ site investigation tool for foundation settlement prediction. However, few investigations have assessed its performance in settlement prediction in unusual soils. In addition, very little work has been performed to obtain a complete load-settlement prediction curve. This article assesses an approach that uses the DMT to obtain a complete load-settlement prediction curve at a tropical sandy soil site under both natural and inundated conditions. DMTs, plate load tests, and oedometer tests were carried out in these two moisture conditions at the experimental research site located in Bauru, São Paulo State, Brazil. The obtained data showed good agreement between the load-settlement curve predicted by the DMT and those determined by the plate load tests at four different depths and two soil conditions. The presented interpretation method based on DMT data worked well to predict the complete load-settlement curve at an unusual soil site at different depths and soil moisture content conditions.

    Author Information:

    Dos Santos, Roberto A.
    Department of Civil and Environmental Engineering, São Paulo State University, Bauru, São Paulo

    Institute of Engineering, Federal University of Mato Grosso, Cuiabá, Mato Grosso

    Rocha, Breno P.
    Department of Geotechnical Engineering, University of São Paulo, São Carlos, São Paulo

    Giacheti, Heraldo L.
    Department of Civil and Environmental Engineering, São Paulo State University, Bauru, São Paulo


    Stock #: GTJ20180079

    ISSN:0149-6115

    DOI: 10.1520/GTJ20180079

    Author
    Title DMT for Load-Settlement Curve Prediction in a Tropical Sandy Soil Compared to Plate Load Tests
    Symposium ,
    Committee D18