STP1089

    Densification of Sand Using a Variable Frequency Vibratory Probe

    Published: Jan 1991


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    Abstract

    The first application of a new vibratory compaction method in North America is described. A variable frequency piling vibrator is used to insert a probe of Y-shaped cross section into the soil to be densified. A unique feature of the system is that on-site monitoring can be used to ‘tune’ the probe so that compaction is carried out at optimum frequency, vibration time and spacing of treatment point locations. The method is simple, fast and economical and, in contrast to other conventional methods, no material is added during the compaction process.

    Keywords:

    sand, densification, probe, vibratory, testing, settlement, liquefaction


    Author Information:

    Neely, WJ
    Chief EngineerManager, DBM Contractors, Inc.Franki Canada Limited, Delta, WAB.C.

    Leroy, DA
    Chief EngineerManager, DBM Contractors, Inc.Franki Canada Limited, Delta, WAB.C.


    Paper ID: STP25068S

    Committee/Subcommittee: D18.11

    DOI: 10.1520/STP25068S


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