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Mechanical Properties of FRCM at High Temperatures

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Proceedings of the Canadian Society of Civil Engineering Annual Conference 2021 (CSCE 2021)

Part of the book series: Lecture Notes in Civil Engineering ((LNCE,volume 248))

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Abstract

Fibre-Reinforced Polymer (FRP) sheets are commonly used to increase the load-carrying capacity and stiffness of deficient structural members; however, there are concerns regarding the use of unprotected FRP in strengthening applications when exposed to fire. Fabric Reinforced Cementitious Matrix (FRCM) systems have emerged as a promising alternative for strengthening applications, replacing polymeric resins such as epoxy with an inorganic cementitious matrix. Although FRCM systems are generally expected to perform more favourably in fires because the cementitious matrix protects the fibres from direct exposure to elevated temperatures, limited experimental data is available to quantify the effect of temperature on its mechanical properties. This paper first presents a review of available literature on FRCM and identifies the parameters influencing the properties of FRCM at room and high temperatures. This sets the path for experimentally investigating the tensile behaviour of FRCM coupons under different heating regimes, namely: steady-state and transient temperatures. Progress is presented to-date on a study of the mechanical properties of carbon FRCM specimens, including tensile strength and modulus of elasticity, during exposure to elevated temperatures. The variables in the experiments include the number of layers of fabric (1, 2, 3 layers) in the composite test specimens, the thickness of the specimens (20, 30 and 40 mm), the fabric orientation (unidirectional vs. bidirectional), and the exposure temperatures. Results from a preliminary heating test shows a significant thermal gradient through the FRCM sample. The results are expected to enhance the understanding of the FRCM behaviour under heat effects.

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Acknowledgements

Special thanks to technical staff at the University of Ottawa and Carleton University for their assistance in this study. The results and data achieved in this research are responsibility of the authors.

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Authors and Affiliations

  1. University of Ottawa, Ottawa, Canada

    H. Asghari & M. Noel

  2. Carleton University, Ottawa, Canada

    H. Hajiloo

Authors
  1. H. Asghari
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  2. M. Noel
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  3. H. Hajiloo
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Corresponding author

Correspondence to M. Noel .

Editor information

Editors and Affiliations

  1. 200 UNIVERSITY AVE W, University of Waterloo, Waterloo, ON, Canada

    Scott Walbridge

  2. Environmental Engineering, Building, Concordia University, Civil, Montreal, QC, Canada

    Mazdak Nik-Bakht

  3. University of Regina, REGINA, SK, Canada

    Kelvin Tsun Wai Ng

  4. Matrix Solutions Calgary, CALGARY, AB, Canada

    Manas Shome

  5. OKANAGAN CAMPUS, University of British Columbia, KELOWNA, BC, Canada

    M. Shahria Alam

  6. THE UNIVERSITY OF WESTERN ONTARIO, ONTARIO, ON, Canada

    Ashraf el Damatty

  7. OKANAGAN CAMPUS, University of British Columbia, KELOWNA, BC, Canada

    Gordon Lovegrove

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© 2023 Canadian Society for Civil Engineering

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Asghari, H., Noel, M., Hajiloo, H. (2023). Mechanical Properties of FRCM at High Temperatures. In: Walbridge, S., et al. Proceedings of the Canadian Society of Civil Engineering Annual Conference 2021 . CSCE 2021. Lecture Notes in Civil Engineering, vol 248. Springer, Singapore. https://doi.org/10.1007/978-981-19-1004-3_41

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  • DOI: https://doi.org/10.1007/978-981-19-1004-3_41

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-19-1003-6

  • Online ISBN: 978-981-19-1004-3

  • eBook Packages: EngineeringEngineering (R0)

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