A numerical study of blast resistance of fire damaged ultra-high performance concrete columns

Engineering Structures（2023）

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摘要

•Blast resistance of UHPC column pre- and post-fire hazard was studied.•Exposure to elevated temperature changed blast induced column failure mode.•Bond-slip behaviour had varying impact on the blast resistance.•Pressure-impulse diagrams were developed for fire damaged UHPC columns.

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关键词

Ultra-high performance concrete,Elevated temperature,Strength deterioration,Degraded bond-slip,Numerical simulation,Blast loads

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