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Embedded data collector (EDC) phase II load and resistance factor design (LRFD) : [summary].
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  • Abstract:
    Piles that support bridge structures are designed for the specific site characteristics and loads

    that the piles are expected to bear. In Florida, driven piles are monitored during installation

    (“dynamically” tested) to assess resistance, compressive, and tensile stresses and to provide

    production pile lengths and driving criteria

    based on test pile findings (depth to bearing

    layer, required hammer settings, etc.). Dynamic

    load testing of driven piles is cost effective

    and has proven to be a reliable alternative to

    static load testing. Conventional dynamic load

    testing has historically been performed by

    climbing the leads to connect instrumentation

    (strain gauges and accelerometers) to the

    pile head after the pile has been raised into

    position. The current effort focused on the

    Embedded Data Collector (EDC) system, originally developed through research funded by the

    Florida Department of Transportation (FDOT) and consisting of gauges cast into concrete piles,

    eliminating the need for climbing leads on site. The system uses wireless technology to transmit

    data to a receiver on the ground.

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