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    Axial impact behavior and energy absorption of rubberized concrete with/without fiber-reinforced polymer confinement

    75056.pdf (1.368Mb)
    Access Status
    Open access
    Authors
    Pham, Thong
    Elchalakani, M.
    Karrech, A.
    Hao, Hong
    Date
    2018
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Pham, T. and Elchalakani, M. and Karrech, A. and Hao, H. 2018. Axial impact behavior and energy absorption of rubberized concrete with/without fiber-reinforced polymer confinement. International Journal of Protective Structures. 10 (2): pp. 154–173.
    Source Title
    International Journal of Protective Structures
    DOI
    10.1177/2041419618800771
    ISSN
    2041-4196
    School
    School of Civil and Mechanical Engineering (CME)
    Remarks

    Pham, T. and Elchalakani, M. and Karrech, A. and Hao, H. 2018. Axial impact behavior and energy absorption of rubberized concrete with/without fiber-reinforced polymer confinement. International Journal of Protective Structures. 10 (2): pp. 154–173. © The Author(s) 2018. DOI: 10.1177/2041419618800771

    URI
    http://hdl.handle.net/20.500.11937/74771
    Collection
    • Curtin Research Publications
    Abstract

    This study investigates the axial impact resistance and energy absorption of rubberized concrete with/without fiber-reinforced polymer confinement. The impact tests were carried out using an instrumented drop-weight testing apparatus. The experimental results have shown that rubberized concrete significantly reduced the maximum impact force of up to 50% and extended the impact duration. These characteristics make rubberized concrete a promising material for protective structures and particularly for future sustainable construction of rigid roadside barriers. Glass fiber–reinforced polymer confinement is a very effective method to improve the impact resistance for both conventional concrete and particularly for rubberized concrete. It was found that the rubberized concrete reduced the maximum impact force so that it transferred a lower force to a protected structure as well as a lower rebound force, which is desirable for protection of passengers in an incident of vehicle collision. Interestingly, the rubberized concrete showed a lower energy absorption capacity as compared to conventional concrete, where the exact reason for this is unknown to the authors. Therefore, further research is sought to provide more understanding of the response of rubberized concrete under impact and improve its energy absorption. This study explored experimentally the use of rubberized concrete as a promising sustainable construction material for applications to construction of columns in buildings located in seismic active zones or subjected to terrorist attack, security bollards and rigid road side barriers.

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