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Seismic Resilience Assessment of Curved Reinforced Concrete Bridge Piers through Seismic Fragility Curves Considering Short- and Long-Period Earthquakes

Author

Listed:
  • Tomoya Uenaga

    (Civil and Environmental Engineering Program, Graduate School of Advanced Science and Engineering, Hiroshima University, Hiroshima 739-8527, Japan)

  • Pedram Omidian

    (Faculty of Civil and Environmental Engineering, Tarbiat Modares University, Tehran P.O. Box 14115-397, Iran)

  • Riya Catherine George

    (Civil and Environmental Engineering Program, Graduate School of Advanced Science and Engineering, Hiroshima University, Hiroshima 739-8527, Japan)

  • Mohsen Mirzajani

    (Department of Civil Engineering, Marand Technical Faculty, University of Tabriz, Tabriz P.O. Box 54138-89741, Iran)

  • Naser Khaji

    (Faculty of Civil and Environmental Engineering, Tarbiat Modares University, Tehran P.O. Box 14115-397, Iran)

Abstract

Curved bridges are commonly used for logistics and emergencies in urban areas such as highway interchange bridges. These types of bridges have complicated dynamic behaviors and also are vulnerable to earthquakes, so their functionality is a critical parameter for decision makers. For this purpose, this study aims to evaluate the bridge seismic resilience under the effects of changes in deck radius (50, 100, 150 m, and infinity), pier height irregularity (Regular and Irregular), and incident seismic wave angle (0°, 45°, and 90°) under short- and long-period records. In the first step, fragility curves are calculated based on the incremental dynamic analysis and probabilistic seismic demand models. Finally, seismic resilience curves/surfaces are constructed and their interpolated values of the log-normal distribution function presented for assessing system resilience. It is found that when long-period records are applied in one given direction, the angle of incidence has the most significant effect on seismic resilience, and bridges are most vulnerable when the angle of incidence tends to 0°. The effect of deck radius on seismic resilience became more remarkable as the angle of incidence increased. Additionally, results indicate that the bridge vulnerability in long-period records is more significant than that under short-period records.

Suggested Citation

  • Tomoya Uenaga & Pedram Omidian & Riya Catherine George & Mohsen Mirzajani & Naser Khaji, 2023. "Seismic Resilience Assessment of Curved Reinforced Concrete Bridge Piers through Seismic Fragility Curves Considering Short- and Long-Period Earthquakes," Sustainability, MDPI, vol. 15(10), pages 1-29, May.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:10:p:7764-:d:1142796
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    References listed on IDEAS

    as
    1. Yinghao Zhao & Hesong Hu & Lunhua Bai & Mengxiong Tang & Hang Chen & Dingli Su, 2021. "Fragility Analyses of Bridge Structures Using the Logarithmic Piecewise Function-Based Probabilistic Seismic Demand Model," Sustainability, MDPI, vol. 13(14), pages 1-23, July.
    2. Mahdi Bayat & Amir Homayoon Kosarieh & Mehran Javanmard, 2021. "Probabilistic Seismic Demand Analysis of Soil Nail Wall Structures Using Bayesian Linear Regression Approach," Sustainability, MDPI, vol. 13(11), pages 1-23, May.
    3. Ali Naghshineh & Fariborz M. Tehrani & Oliver Fischer, 2022. "Application of Sustainable Concrete in the Seismic Evaluation of an Innovative Type of Buckling Restrained Brace," Sustainability, MDPI, vol. 14(24), pages 1-23, December.
    4. Wenjun An & Lin Zhou & Meilan Kang & Hailin Yang & Lanyan Mo, 2023. "Failure Mode Analysis of Bridge Pier Due to Eccentric Impact Based on Separation of Pier and Beam," Sustainability, MDPI, vol. 15(2), pages 1-16, January.
    5. Ángel Francisco Galaviz Román & Md Saiful Arif Khan & Golam Kabir & Muntasir Billah & Subhrajit Dutta, 2022. "Evaluation of Interaction between Bridge Infrastructure Resilience Factors against Seismic Hazard," Sustainability, MDPI, vol. 14(16), pages 1-18, August.
    6. Lang Liu & Xiaotian Yang & Boquan Yan & Siyu Miao, 2022. "Dynamic Responses of RC Girder Bridge under Heavy Truck and Seismic Loads Combined," Sustainability, MDPI, vol. 14(15), pages 1-20, July.
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