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Seismic Response of Nuclear-Reinforced Concrete Shear Walls with High-Strength Materials

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Proceedings of the Canadian Society of Civil Engineering Annual Conference 2022 (CSCE 2022)

Part of the book series: Lecture Notes in Civil Engineering ((LNCE,volume 348))

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Abstract

Recent research studies have investigated the use of high-strength materials in nuclear power plants to enhance the constructability of their massive squat-reinforced concrete shear walls. Despite the advantages of these high-strength materials, the dynamic response of such walls has not yet been fully investigated at the different damage states. To address this, the current study focuses on developing fragility functions for squat-reinforced concrete shear walls with high-strength materials to evaluate their seismic response compared to their counterparts with normal-strength materials. In this respect, a numerical OpenSees model, validated using previous experimental programs that have been conducted on reinforced concrete shear walls (i.e., with different aspect ratios, vertical and horizontal web reinforcement ratios, yield/ultimate strengths of reinforcement, and concrete compressive strengths), is used in the current study. Incremental dynamic analyses, using the 44 far-field ground motion records recommended by the FEMA P695 methodology, are then performed to develop fragility functions for reinforced concrete shear walls with normal- and high-strength materials at different damage states. These damage states are characterized by several performance indicators including cracking and crushing of concrete, residual displacements due to sliding, and reinforcement buckling/fracturing, following the FEMA P-58 guidelines. Finally, design recommendations are presented to enhance the seismic performance of squat-reinforced concrete shear walls when high-strength materials are adopted in nuclear construction practice.

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Author information

Authors and Affiliations

  1. McMaster University, Hamilton, ON, Canada

    Mohamed Abouyoussef & Mohamed Ezzeldin

Authors
  1. Mohamed Abouyoussef
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  2. Mohamed Ezzeldin
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Corresponding author

Correspondence to Mohamed Abouyoussef .

Editor information

Editors and Affiliations

  1. Department of Civil Engineering, University of Victoria, Victoria, BC, Canada

    Rishi Gupta

  2. Department of Civil Engineering, University of Victoria, Victoria, BC, Canada

    Min Sun

  3. Department of Earthquake Engineering, The University of British Columbia, Vancouver, BC, Canada

    Svetlana Brzev

  4. The University of British Columbia-Okanagan Campus, Kelowna, BC, Canada

    M. Shahria Alam

  5. University of Regina, Regina, SK, Canada

    Kelvin Tsun Wai Ng

  6. Environmental Engineering Program, University of Northern British Columbia, Prince George, BC, Canada

    Jianbing Li

  7. The University of Western Ontario, London, ON, Canada

    Ashraf El Damatty

  8. Department of Civil Engineering, The University of British Columbia, Vancouver, BC, Canada

    Clark Lim

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Abouyoussef, M., Ezzeldin, M. (2023). Seismic Response of Nuclear-Reinforced Concrete Shear Walls with High-Strength Materials. In: Gupta, R., et al. Proceedings of the Canadian Society of Civil Engineering Annual Conference 2022. CSCE 2022. Lecture Notes in Civil Engineering, vol 348. Springer, Cham. https://doi.org/10.1007/978-3-031-34159-5_45

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  • DOI: https://doi.org/10.1007/978-3-031-34159-5_45

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-031-34158-8

  • Online ISBN: 978-3-031-34159-5

  • eBook Packages: EngineeringEngineering (R0)

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