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Energy-based damage assessment of continuous-span reinforced concrete highway bridges.

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Title: Energy-based damage assessment of continuous-span reinforced concrete highway bridges.
Authors: Mahboubi, S.1 (AUTHOR), Shiravand, M. R.1 (AUTHOR) m_shiravand@sbu.ac.ir
Source: Earthquake Engineering & Engineering Vibration. Jan2023, Vol. 22 Issue 1, p191-209. 19p.
Subjects: Continuous bridges, Reinforced concrete, Concrete bridges, Damage models, Finite element method
Abstract: This paper conducts a comparative study on seismic damage to reinforced concrete (RC) bridges, using three damage models: Park and Ang, Hindi and Sexsmith, and input energy-based damage (IEBD) indices, and presents a global cumulative damage model based on the IEBD index to establish a practical damage assessment of an overall bridge system. A series of RC bridges are studied under seismic loadings, and to compare the efficiency and reliability of the damage indices, damage curves of RC piers are developed, and damage levels of piers are calculated at design basis earthquake (DBE) and maximum considered earthquake (MCE) levels. The global cumulative damage index is calculated for bridge models regarding damage values of components. The results indicate that the IEBD index shows a gradual progression of damage and provides reasonable values for different damage levels of piers compared to two other damage indices. Moreover, the global cumulative damage index shows the impact of induced damage to a certain component regarding the damage level of the overall bridge system. Moreover, this new approach is a relatively simple and practical tool for seismic damage assessment of RC bridge systems, which can be implemented in finite element models, particularly in the absence of experimental data. [ABSTRACT FROM AUTHOR]
Copyright of Earthquake Engineering & Engineering Vibration is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Energy-based damage assessment of continuous-span reinforced concrete highway bridges.
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  Data: <searchLink fieldCode="JN" term="%22Earthquake+Engineering+%26+Engineering+Vibration%22">Earthquake Engineering & Engineering Vibration</searchLink>. Jan2023, Vol. 22 Issue 1, p191-209. 19p.
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  Data: <searchLink fieldCode="DE" term="%22Continuous+bridges%22">Continuous bridges</searchLink><br /><searchLink fieldCode="DE" term="%22Reinforced+concrete%22">Reinforced concrete</searchLink><br /><searchLink fieldCode="DE" term="%22Concrete+bridges%22">Concrete bridges</searchLink><br /><searchLink fieldCode="DE" term="%22Damage+models%22">Damage models</searchLink><br /><searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: This paper conducts a comparative study on seismic damage to reinforced concrete (RC) bridges, using three damage models: Park and Ang, Hindi and Sexsmith, and input energy-based damage (IEBD) indices, and presents a global cumulative damage model based on the IEBD index to establish a practical damage assessment of an overall bridge system. A series of RC bridges are studied under seismic loadings, and to compare the efficiency and reliability of the damage indices, damage curves of RC piers are developed, and damage levels of piers are calculated at design basis earthquake (DBE) and maximum considered earthquake (MCE) levels. The global cumulative damage index is calculated for bridge models regarding damage values of components. The results indicate that the IEBD index shows a gradual progression of damage and provides reasonable values for different damage levels of piers compared to two other damage indices. Moreover, the global cumulative damage index shows the impact of induced damage to a certain component regarding the damage level of the overall bridge system. Moreover, this new approach is a relatively simple and practical tool for seismic damage assessment of RC bridge systems, which can be implemented in finite element models, particularly in the absence of experimental data. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Earthquake Engineering & Engineering Vibration is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Text: English
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      – SubjectFull: Continuous bridges
        Type: general
      – SubjectFull: Reinforced concrete
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      – SubjectFull: Concrete bridges
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      – SubjectFull: Damage models
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              Text: Jan2023
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