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    Experimental and Numerical Study of Composite Lightweight Structural Insulated Panel with Expanded Polystyrene Core against Windborne Debris Impacts

    199326_199326.pdf (1.162Mb)
    Access Status
    Open access
    Authors
    Chen, Wensu
    Hao, Hong
    Date
    2014
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Chen, W. and Hao, H. 2014. Experimental and Numerical Study of Composite Lightweight Structural Insulated Panel with Expanded Polystyrene Core against Windborne Debris Impacts. Materials and Design. 60: pp. 409-423.
    Source Title
    Materials and Design
    DOI
    10.1016/j.matdes.2014.04.038
    ISSN
    0261-3069
    Remarks

    NOTICE: this is the author’s version of a work that was accepted for publication in Materials and Design. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Materials and Design, Vol. 60 (2014). DOI: 10.1016/j.matdes.2014.04.038.

    URI
    http://hdl.handle.net/20.500.11937/47611
    Collection
    • Curtin Research Publications
    Abstract

    Natural disasters such as cyclone, hurricane, tornado and typhoon cause tremendous loss around the world. The windborne debris usually imposes high speed localized impact on the building envelope, which may harm people inside the building and create dominant openings. A dominant opening in the building envelope might cause internal pressure increasing and result in substantial damage to the building structures, such as roof lifting up or even collapse. To withstand the impact of such extreme event, the penetration resistant capacity of wall or roof panels to windborne debris impact should meet the requirements specified in the wind loading codes, e.g., the Australian Wind Loading Code (AS/NZS 1170.2:2011). In this study, a composite Structural Insulated Panel (SIP) with Extended Polystyrene (EPS) core sandwiched by flat metal skins that is commonly used in building industry was investigated. To study the structural response and penetration resistant capacity of the composite panel against windborne debris impacts, a series of laboratory tests were carried out by using a pneumatic cannon testing system.The effects of various specimen configurations, impact locations and debris impact velocities on their performance were investigated. The failure modes under various projectile impact scenarios were observed and compared by using two high-speed cameras. The dynamic responses were examined quantitatively in terms of the opening size, residual velocity of projectile, deformation and strain time histories on the back skin measured in the tests. The penetration resistance capacity of the panels subjected to windborne debris impact were examined and analyzed. In addition, numerical models were developed in LS-DYNA to simulate the response and damage of the composite SIP under windborne debris impact. Laboratory tested panels were first modeled. The test data was used to calibrate the accuracy of the numerical model. The validated numerical model was then used to conduct more numerical simulations to obtain more results such as energy absorption, impact force and vulnerability curve of the SIP against windborne debris impact.

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