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Performance of Simplified Damage-Based Concrete Models in Seismic Applications

Received: 19 June 2024     Accepted: 5 July 2024     Published: 15 July 2024
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Abstract

Significant progress in the finite-element (FE) modeling at the member-level of reinforced-concrete (RC) structures under seismic excitation has been achieved in the past decades; however, reliable and accurate analysis models for full-scale 3D system-level RC structures validated with experimental data are scarce. As the development of a complete nonlinear model is expensive and time consuming, simpler models, typically elastic or lumped-plastic in nature, are employed in practice with additional provisions prescribed to account for nonlinear behavior. Depending on the assumptions made by the analyst, there may be substantial uncertainties related to the response of a complete structure. Capturing global failure modes is challenging, and the assessment of strength and ductility capacities may be inaccurate, resulting in potentially unsafe designs. The objective of this research is to assess the performance of simplified damage-based concrete biaxial models in analyzing and capturing the structural behavior of full-scale RC systems. Damage-based models for concrete require minor input from the analyst, facilitating their use in a design setting, while their explicit, non-conditional convergence formulations allow for non-iterative solutions. This results in damage-based models featuring efficient computational analysis while accounting for complex phenomena such as the capacity to account for stiffness recovery in reversal loading (crack closing) and permanent strains in the concrete. A comparison between analytical and experimental data at both the element- and system-levels is conducted, and a viable damage-based model is proposed for a full-scale structure analysis. The results of the study show that damage-based models are a viable alternative to developing efficient analysis models for elements and whole structures.

Published in American Journal of Civil Engineering (Volume 12, Issue 4)
DOI 10.11648/j.ajce.20241204.11
Page(s) 95-107
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Reinforced Concrete, Seismic, Damage-Models, Simulation, Finite Element, OpenSees

References
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Cite This Article
  • APA Style

    Lopez, J. S., Ramirez, B. G., Pettit, C., Cruz-Noguez, C. (2024). Performance of Simplified Damage-Based Concrete Models in Seismic Applications. American Journal of Civil Engineering, 12(4), 95-107. https://doi.org/10.11648/j.ajce.20241204.11

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    ACS Style

    Lopez, J. S.; Ramirez, B. G.; Pettit, C.; Cruz-Noguez, C. Performance of Simplified Damage-Based Concrete Models in Seismic Applications. Am. J. Civ. Eng. 2024, 12(4), 95-107. doi: 10.11648/j.ajce.20241204.11

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    AMA Style

    Lopez JS, Ramirez BG, Pettit C, Cruz-Noguez C. Performance of Simplified Damage-Based Concrete Models in Seismic Applications. Am J Civ Eng. 2024;12(4):95-107. doi: 10.11648/j.ajce.20241204.11

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  • @article{10.11648/j.ajce.20241204.11,
      author = {Jesus Salazar Lopez and Bernardo Garcia Ramirez and Clayton Pettit and Carlos Cruz-Noguez},
      title = {Performance of Simplified Damage-Based Concrete Models in Seismic Applications
    },
      journal = {American Journal of Civil Engineering},
      volume = {12},
      number = {4},
      pages = {95-107},
      doi = {10.11648/j.ajce.20241204.11},
      url = {https://doi.org/10.11648/j.ajce.20241204.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajce.20241204.11},
      abstract = {Significant progress in the finite-element (FE) modeling at the member-level of reinforced-concrete (RC) structures under seismic excitation has been achieved in the past decades; however, reliable and accurate analysis models for full-scale 3D system-level RC structures validated with experimental data are scarce. As the development of a complete nonlinear model is expensive and time consuming, simpler models, typically elastic or lumped-plastic in nature, are employed in practice with additional provisions prescribed to account for nonlinear behavior. Depending on the assumptions made by the analyst, there may be substantial uncertainties related to the response of a complete structure. Capturing global failure modes is challenging, and the assessment of strength and ductility capacities may be inaccurate, resulting in potentially unsafe designs. The objective of this research is to assess the performance of simplified damage-based concrete biaxial models in analyzing and capturing the structural behavior of full-scale RC systems. Damage-based models for concrete require minor input from the analyst, facilitating their use in a design setting, while their explicit, non-conditional convergence formulations allow for non-iterative solutions. This results in damage-based models featuring efficient computational analysis while accounting for complex phenomena such as the capacity to account for stiffness recovery in reversal loading (crack closing) and permanent strains in the concrete. A comparison between analytical and experimental data at both the element- and system-levels is conducted, and a viable damage-based model is proposed for a full-scale structure analysis. The results of the study show that damage-based models are a viable alternative to developing efficient analysis models for elements and whole structures.
    },
     year = {2024}
    }
    

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  • TY  - JOUR
    T1  - Performance of Simplified Damage-Based Concrete Models in Seismic Applications
    
    AU  - Jesus Salazar Lopez
    AU  - Bernardo Garcia Ramirez
    AU  - Clayton Pettit
    AU  - Carlos Cruz-Noguez
    Y1  - 2024/07/15
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    DO  - 10.11648/j.ajce.20241204.11
    T2  - American Journal of Civil Engineering
    JF  - American Journal of Civil Engineering
    JO  - American Journal of Civil Engineering
    SP  - 95
    EP  - 107
    PB  - Science Publishing Group
    SN  - 2330-8737
    UR  - https://doi.org/10.11648/j.ajce.20241204.11
    AB  - Significant progress in the finite-element (FE) modeling at the member-level of reinforced-concrete (RC) structures under seismic excitation has been achieved in the past decades; however, reliable and accurate analysis models for full-scale 3D system-level RC structures validated with experimental data are scarce. As the development of a complete nonlinear model is expensive and time consuming, simpler models, typically elastic or lumped-plastic in nature, are employed in practice with additional provisions prescribed to account for nonlinear behavior. Depending on the assumptions made by the analyst, there may be substantial uncertainties related to the response of a complete structure. Capturing global failure modes is challenging, and the assessment of strength and ductility capacities may be inaccurate, resulting in potentially unsafe designs. The objective of this research is to assess the performance of simplified damage-based concrete biaxial models in analyzing and capturing the structural behavior of full-scale RC systems. Damage-based models for concrete require minor input from the analyst, facilitating their use in a design setting, while their explicit, non-conditional convergence formulations allow for non-iterative solutions. This results in damage-based models featuring efficient computational analysis while accounting for complex phenomena such as the capacity to account for stiffness recovery in reversal loading (crack closing) and permanent strains in the concrete. A comparison between analytical and experimental data at both the element- and system-levels is conducted, and a viable damage-based model is proposed for a full-scale structure analysis. The results of the study show that damage-based models are a viable alternative to developing efficient analysis models for elements and whole structures.
    
    VL  - 12
    IS  - 4
    ER  - 

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Author Information
  • Read Jones Christofferson Ltd, Edmonton, Canada

  • Read Jones Christofferson Ltd, Edmonton, Canada

  • Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Canada

  • Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Canada

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