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    Dynamic Compaction Vibration Monitoring in a Saturated Site

    168849_42259_63695.pdf (216.1Kb)
    Access Status
    Open access
    Authors
    Hamidi, Babak
    Nikraz, Hamid
    Varaksin, S.
    Date
    2011
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Hamidi, Babak and Nikraz, Hamid and Varaksin, Serge. 2011. Dynamic Compaction Vibration Monitoring in a Saturated Site, in Shahin, M. and Nikraz, H. (ed), International Conference on Advances in Geotechnical Engineering (ICAGE 2011), Nov 7-9 2011, pp. 267-272. Perth, W.A: Curtin University, Department of Civil Engineering.
    Source Title
    Proceedings of the International Conference on Advances in Geotechnical Engineering
    Source Conference
    International Conference on Advances in Geotechnical Engineering (ICAGE 2011)
    ISBN
    978-0-646-55142-5
    School
    Department of Civil Engineering
    URI
    http://hdl.handle.net/20.500.11937/5178
    Collection
    • Curtin Research Publications
    Abstract

    Dynamic Compaction is a well established ground improvement technique in which a heavy pounder is dropped from a significant height to improve the soil’s mechanical properties. The pounder impact creates waves that compact the soil; however these waves may also be a nuisance to and damage neighbouring structures and facilities. Peak particle velocity (PPV) has been identified as the most suitable parameter for assessing vibration associated risks. Previous researchers have proposed a number different equations for predicting PPV. Dynamic Compaction has recently been used for soil improvement in Oman’s Blue City Project. Particle velocities and vibration frequencies in three directions have been monitored at several distances during the different phases of ground treatment. In all phases PPV has been recorded to be in the radial direction. It has been observed that although it appears that vibration frequency is not influenced by the deep compaction phase, does increase with the progression of work and application of later phases of Dynamic Compaction. This increase is more pronounced at farther distances, but becomes negligible when impact point is closer than a critical distance.

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