Volume 17, Issue 2 (June 1994)

    Determination of P-Y Curves Using Inclinometer Data


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    Derivation of p-y curves from lateral load tests on deep foundations is a tedious and expensive task, requiring large numbers of strain gages along the length of the pile to develop bending moment versus depth relationships. A method is proposed which allows derivation of p-y curves from simple inclinometer data using a least-squares regression technique. Inclinometer measurements can and have been routinely made on lateral load tests of piles and drilled shafts. The method outlined in this paper provides a means of “calibrating” p-y curves using data from tests where only inclinometer data are available and promises to allow a substantial improvement in the database of load tests from which the empirical p-y curves used in design are based.

    Author Information:

    Brown, DA
    Assistant professor, Auburn University, AL

    Hidden, SA
    Project engineer, Ground Engineering and Testing Service, Inc., Huntsville, AL

    Zhang, S
    Graduate student, Auburn University, AL

    Stock #: GTJ10087J

    ISSN: 0149-6115

    DOI: 10.1520/GTJ10087J

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    Title Determination of P-Y Curves Using Inclinometer Data
    Symposium , 0000-00-00
    Committee D18