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  • Earthquake-induced collapse simulation of a super-tall mega-braced frame-core tube building

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    88299_1.pdf (1.760Mb)
    Author(s)
    Lu, Xinzheng
    Lu, Xiao
    Guan, Hong
    Zhang, Wankai
    Ye, Lieping
    Griffith University Author(s)
    Guan, Hong
    Year published
    2013
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    Abstract
    Research on earthquake-induced collapse simulation has a great practical significance for supertall buildings. Although mega-braced frame-core tube buildings are one of the common high-rise structural systems in high seismic intensity regions, the failure mode and collapse mechanism of such a building under earthquake events are rarely studied. This paper thus aims to investigate the collapse behavior of a super-tall mega-braced frame-core tube building (H=550m) to be built in China in the high risk seismic zone with the maximum spectral acceleration of 0.9g (g represents the gravity acceleration). A finite element (FE) ...
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    Research on earthquake-induced collapse simulation has a great practical significance for supertall buildings. Although mega-braced frame-core tube buildings are one of the common high-rise structural systems in high seismic intensity regions, the failure mode and collapse mechanism of such a building under earthquake events are rarely studied. This paper thus aims to investigate the collapse behavior of a super-tall mega-braced frame-core tube building (H=550m) to be built in China in the high risk seismic zone with the maximum spectral acceleration of 0.9g (g represents the gravity acceleration). A finite element (FE) model of this building is constructed based on the fiber-beam and multi-layer shell models. The dynamic characteristics of the building are analyzed and the earthquake-induced collapse simulation is performed. Finally, the failure mode and mechanism of earthquake-induced collapse are discussed in some detail. This study will serve as a reference for the collapse-resistance design of super-tall buildings of similar type.
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    Journal Title
    Journal of Constructional Steel Research
    Volume
    82
    DOI
    https://doi.org/10.1016/j.jcsr.2012.12.004
    Copyright Statement
    © 2013 Elsevier B.V. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Civil engineering
    Structural engineering
    Building
    Publication URI
    http://hdl.handle.net/10072/53590
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    • Journal articles

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