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Comprehensive shear wave velocity study in the Popular Bluff Area, Southeast Missouri.
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Comprehensive shear wave velocity study in the Popular Bluff Area, Southeast Missouri.
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  • Abstract:
    The University of Missouri-Rolla in collaboration with the Missouri Department of Transportation acquired

    multiple geophysical, geotechnical and borehole data sets in the Poplar Bluff study area. The primary objective

    was to evaluate the utility of the four conventional and/or newly developed methods listed below for

    determining the shear-wave velocity of soils with a view to estimating frequency-dependent soil motion

    amplification and/or deamplification. These four methods were evaluated individually and then comparatively

    in terms of accuracy, functionality, cost-effectiveness and overall utility.

    • Crosshole Shear-wave velocity (CH)

    • Seismic Cone Penetrometer (SCPT)

    • Multi-channel Analysis of Surface Waves (MASW)

    • Ultrasonic Pulse Velocity Laboratory Test (UPV)

    In addition, a suite of 3-D maps depicting spatial variations in thickness, stratigraphy and shear-wave velocity

    of soils in Poplar Bluff area were prepared as well as a revised 3-D shallow subsurface materials map complete

    with shear-wave velocity test data (suitable for preparation of an earthquake soil amplification map). These

    maps depict the lateral variability of the shallow subsurface materials' shear-wave velocity and stratigraphy,

    and their range of values or properties.

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