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    Seismic Behavior of Ultra-High Performance Concrete Short Columns Confined with High-Strength Reinforcement

    New search for: He, Shaofeng
    New search for: Deng, Zongcai

    Abstract In order to further study the performance of ultra-high performance concrete (UHPC) structures under seismic conditions, three UHPC short columns confined with high-strength reinforcement were tested alongside one UHPC short column confined with normal-strength reinforcement and one reinforced UHPC short column confined with carbon fiber reinforced polymer (CFRP). The results show that high-strength reinforcement improved the ductility and energy-absorbing ability of the UHPC columns. In addition, high-strength reinforcement only made a marginal difference to stiffness degeneration but did contribute to the specimen’s initial stiffness; both high axial loads and small shear span ratios accelerated stiffness degeneration.

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    Seismic Behavior of Ultra-High Performance Concrete Short Columns Confined with High-Strength Reinforcement

    New search for: He, Shaofeng
    New search for: Deng, Zongcai

    Abstract In order to further study the performance of ultra-high performance concrete (UHPC) structures under seismic conditions, three UHPC short columns confined with high-strength reinforcement were tested alongside one UHPC short column confined with normal-strength reinforcement and one reinforced UHPC short column confined with carbon fiber reinforced polymer (CFRP). The results show that high-strength reinforcement improved the ductility and energy-absorbing ability of the UHPC columns. In addition, high-strength reinforcement only made a marginal difference to stiffness degeneration but did contribute to the specimen’s initial stiffness; both high axial loads and small shear span ratios accelerated stiffness degeneration.

    Access

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    Order at Subito €

    Seismic Behavior of Ultra-High Performance Concrete Short Columns Confined with High-Strength Reinforcement

    New search for: He, Shaofeng
    New search for: Deng, Zongcai

    Abstract In order to further study the performance of ultra-high performance concrete (UHPC) structures under seismic conditions, three UHPC short columns confined with high-strength reinforcement were tested alongside one UHPC short column confined with normal-strength reinforcement and one reinforced UHPC short column confined with carbon fiber reinforced polymer (CFRP). The results show that high-strength reinforcement improved the ductility and energy-absorbing ability of the UHPC columns. In addition, high-strength reinforcement only made a marginal difference to stiffness degeneration but did contribute to the specimen’s initial stiffness; both high axial loads and small shear span ratios accelerated stiffness degeneration.

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    Title:

    Seismic Behavior of Ultra-High Performance Concrete Short Columns Confined with High-Strength Reinforcement

    Contributors:

    He, Shaofeng (author) / Deng, Zongcai (author)

    Published in:

    KSCE Journal of Civil Engineering ; 23 ; 5183-5193

    Publication date:

    2019-11-08

    Size:

    11 pages

    ISSN:

    1976-3808 , 1226-7988

    DOI:

    https://doi.org/10.1007/s12205-019-0915-3

    Type of media:

    Article (Journal)

    Type of material:

    Electronic Resource

    Language:

    English

    Keywords:

    ultra-high performance concrete , high-strength reinforcement , short column , seismic behavior Engineering , Civil Engineering , Industrial Pollution Prevention , Geotechnical Engineering & Applied Earth Sciences

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