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Behavior of high strength fly ash concrete columns under fire conditions

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Abstract

Fly ash concrete is finding increasing applications in construction; however there is lack of data on fire performance of fly ash concrete structural members. This paper presents results from fire resistance tests on fly ash concrete columns. Data generated from tests on high strength fly ash concrete columns is compared with those of conventional high strength concrete (HSC) columns. The effect of concrete type, fire exposure scenario, fly ash, and fibers in concrete mix on fire performance of fly ash concrete columns is discussed. Results from fire resistance tests show that fly ash concrete columns exhibit almost similar fire resistance to that of conventional HSC columns. Further, the addition of polypropylene fibers mitigates fire induced spalling in high strength fly ash concrete columns.

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Acknowledgments

The research presented in this paper is supported by the National Science Foundation CMMI program (Grant No. CMMI 0601178) and Michigan State University through Strategic Partnership Grant (No. 71-4434). Any opinions, findings, and conclusions or recommendations expressed in this paper are those of the authors and do not necessarily reflect the views of the sponsors.

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Authors and Affiliations

  1. School of Civil and Environmental Engineering, National University of Sciences and Technology Pakistan, NUST Campus, Sector H-12, Islamabad, Pakistan

    Wasim Khaliq

  2. F. ASCE, Civil and Environmental Engineering, Michigan State University, 3546 Engineering Building, East Lansing, MI, 48824, USA

    Venkatesh Kodur

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  1. Wasim Khaliq
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  2. Venkatesh Kodur
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Correspondence to Venkatesh Kodur.

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Khaliq, W., Kodur, V. Behavior of high strength fly ash concrete columns under fire conditions. Mater Struct 46, 857–867 (2013). https://doi.org/10.1617/s11527-012-9938-7

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  • DOI: https://doi.org/10.1617/s11527-012-9938-7

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