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    Underwater noise from geotechnical drilling and standard penetration testing

    261280.pdf (788.4Kb)
    Access Status
    Open access
    Authors
    Erbe, Christine
    McPherson, C.
    Date
    2017
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Erbe, C. and Erbe, C. 2017. Underwater noise from geotechnical drilling and standard penetration testing. Journal of the Acoustical Society of America. 142 (3): EL281.
    Source Title
    Journal of the Acoustical Society of America
    DOI
    10.1121/1.5003328
    ISSN
    0001-4966
    School
    Centre for Marine Science and Technology
    Remarks

    Copyright © 2017 Acoustical Society of America. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the Acoustical Society of America.

    URI
    http://hdl.handle.net/20.500.11937/63330
    Collection
    • Curtin Research Publications
    Abstract

    © 2017 Acoustical Society of America. Geotechnical site investigations prior to marine construction typically involve shallow, small-core drilling and standard penetration testing (SPT), during which a small tube is hammered into the ground at the bottom of the borehole. Drilling (120 kW, 83 mm diameter drillbit, 1500 rpm, 16–17 m drill depth in sand and mudstone) and SPT (50 mm diameter test tube, 15 mm wall thickness, 100 kg hammer, 1 m drop height) by a jack-up rig in 7–13 m of water were recorded with a drifting hydrophone at 10–50 m range. Source levels were 142–145 dB re 1 μPa rms @ 1 m (30–2000 Hz) for drilling and 151–160 dB re 1 μPa2s @ 1 m (20–24 000 Hz) for SPT.

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