Site compaction assessment : comparison of surface wave methods

P. Harutoonian, C. J. Leo, K. Tokeshi, J. J. Zou, S. Liyanapathirana, R. Golaszewski, R. Moyle

    Research output: Chapter in Book / Conference PaperConference Paperpeer-review

    Abstract

    Recent advances in non-invasive surface wave techniques have led to their increasing use in site characterization studies. This paper compares the results from two different surface wave methods applied to assess the compaction quality of a dynamically compacted site in Western Sydney. The first, the passive Horizontal to Vertical Spectral Ratio (HVSR) method relies on natural (tides, wind, etc.) and cultural (vehicular traffic, trains, etc.) noise sources to generate the HVSR curve which constitutes the basis of this technique. The second, the Multichannel Analysis of Surface Waves (MASW) method relies on an active noise source generated from a sledgehammer hit to the ground (in this study), to generate the phase velocity dispersion curve which underpins this technique. The results from both surface wave techniques were also compared against mechanical CPT and DMT data to verify if consistent estimates of the ground compaction were obtained.
    Original languageEnglish
    Title of host publicationProceedings of 2012 International Conference on Ground Improvement and Ground Control : Transport Infrastructure Development and Natural Hazards Mitigation, 30 October-2 November 2012, University of Wollongong, Australia
    PublisherResearch Publishing
    Number of pages7
    ISBN (Print)9789810735777
    Publication statusPublished - 2013
    EventInternational Conference on Ground Improvement and Ground Control -
    Duration: 30 Oct 2012 → …

    Conference

    ConferenceInternational Conference on Ground Improvement and Ground Control
    Period30/10/12 → …

    Keywords

    • Horizontal to Vertical Spectral Ratio
    • microseisms
    • compacting
    • shear wave veolcity

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