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    A study of concrete slabs with steel wire mesh reinforcement under close-in explosive loads

    Access Status
    Fulltext not available
    Authors
    Li, J.
    Wu, C.
    Hao, Hong
    Su, Y.
    Li, Z.
    Date
    2017
    Type
    Journal Article
    
    Metadata
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    Citation
    Li, J. and Wu, C. and Hao, H. and Su, Y. and Li, Z. 2017. A study of concrete slabs with steel wire mesh reinforcement under close-in explosive loads. International Journal of Impact Engineering. 110: pp. 242-254.
    Source Title
    International Journal of Impact Engineering
    DOI
    10.1016/j.ijimpeng.2017.01.016
    ISSN
    0734-743X
    School
    Department of Civil Engineering
    URI
    http://hdl.handle.net/20.500.11937/50058
    Collection
    • Curtin Research Publications
    Abstract

    Structural responses and damages under blast loading environments are critical to structural and personnel safety. The blast scenarios involving close-in detonations are attracting increasingly more attentions over the last few decades due to the rising of terrorism. Under close-in detonations, structural elements tend to fail in a brittle mode including shear, concrete crater and spall. In such loading scenarios, the structural designated loading capacity which is usually based on flexural deformation assumption is not fully developed. To provide high-level structural protection, high performance concretes with varying fibre additions are now widely investigated and used in blast resistance designs. In the present study, field blast tests results on reinforced concrete slabs under close-in detonations are presented. Performances of slabs made of normal strength concrete and steel fibre reinforced concrete are compared and discussed. Besides conventional steel rebar reinforcement, new reinforcement scheme i.e. hybrid steel wire mesh-micro steel fibre reinforcement is investigated through the laboratory static tests and field blast tests. Furthermore, a numerical study based on Multi-Material ALE and Lagrangian algorithm is carried out to further investigate the field tests' phenomenon.

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