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    Numerical investigation of a water barrier against blast loadings

    Access Status
    Fulltext not available
    Authors
    Chen, L.
    Fang, Q.
    Zhang, L.
    Zhang, Y.
    Chen, Wensu
    Date
    2016
    Type
    Journal Article
    
    Metadata
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    Citation
    Chen, L. and Fang, Q. and Zhang, L. and Zhang, Y. and Chen, W. 2016. Numerical investigation of a water barrier against blast loadings. Engineering Structures. 111: pp. 199-216.
    Source Title
    Engineering Structures
    DOI
    10.1016/j.engstruct.2015.12.015
    ISSN
    0141-0296
    School
    Department of Civil Engineering
    URI
    http://hdl.handle.net/20.500.11937/22964
    Collection
    • Curtin Research Publications
    Abstract

    © 2015 Elsevier Ltd. Water is a potentially promising material for blast mitigation. The commercially available polyethylene containers filled with water was feasible to be constructed as water barriers against blast loadings. In this research, numerical studies were carried out to investigate the mitigation effects of the water barrier that is a polyethylene container filled with water. A developed numerical model was calibrated and validated against a number of field blast tests. The numerical results indicated that the water barrier provided good mitigation effect against blast loadings and therefore it has the potential to be widely used in the areas where potential blast attacks are expected. Parametric study was also performed by the validated numerical model. The effects of water/charge scaled distance, water barrier scaled height and water barrier scaled thickness on the blast mitigation effects were clarified, and the blast mitigation mechanism was discussed. Some empirical formulae of those key design parameters were derived based on the experimental and numerical results. An applicable optimum construction principle of the polyethylene water barrier against blast loadings was proposed to maximize its blast mitigation effect, based on a modified equivalent static load method.

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