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Numerical and experimental assessment of the seismic vulnerability of an existing bridge in presence of carbonation-induced corrosion.

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Title: Numerical and experimental assessment of the seismic vulnerability of an existing bridge in presence of carbonation-induced corrosion.
Authors: Reale, Simone1 (AUTHOR) simone.reale01@universitadipavia.it, Furinghetti, Marco1,2 (AUTHOR), Pavese, Alberto1 (AUTHOR)
Source: Soil Dynamics & Earthquake Engineering (0267-7261). Jan2026:Part B, Vol. 200, pN.PAG-N.PAG. 1p.
Subjects: Carbon steel corrosion, Deterioration of materials, Structural dynamics, Bridge testing, Model validation, Reinforced concrete, Earthquake hazard analysis
Abstract: Italian existing bridges have been in many cases built during the second half of XX century and are close to or have already exceeded their intended design life. Important deterioration phenomena can be present, impacting the structural response and the seismic reliability of the system. Among the possible deterioration phenomena present in an existing bridge, corrosion plays a key role altering significantly the response of Reinforced Concrete (RC) members over time. This paper presents part of the research activities carried out by the authors within the project DPC-ReLUIS 2022-24 WP3 on seismic risk and reliability of existing bridges. A case study bridge is presented and analyzed in three sites representative of low, moderate and high seismic hazard. The case study is analyzed in both pristine and corroded condition. The corrosion scenario considered in the work has been validated through comparison with the results of an extensive experimental campaign. The results reveal that corrosion significantly reduces the seismic reliability of the bridge and alters the structural response, highlighting the need for considering carefully the evolution of a structure in the definition of management strategies and interventions. • Deterioration should be considered in Seismic Risk assessment of existing bridges. • Numerical results have been compared with experimental data. • Corrosion modifies the failure modes. • Deterioration leads to reduction of seismic reliability. • Not considering deterioration may lead to underestimating seismic risk. [ABSTRACT FROM AUTHOR]
Copyright of Soil Dynamics & Earthquake Engineering (0267-7261) is the property of Elsevier B.V. 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.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 189337550
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
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  Data: Numerical and experimental assessment of the seismic vulnerability of an existing bridge in presence of carbonation-induced corrosion.
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  Data: <searchLink fieldCode="AR" term="%22Reale%2C+Simone%22">Reale, Simone</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> simone.reale01@universitadipavia.it</i><br /><searchLink fieldCode="AR" term="%22Furinghetti%2C+Marco%22">Furinghetti, Marco</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pavese%2C+Alberto%22">Pavese, Alberto</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Soil+Dynamics+%26+Earthquake+Engineering+%280267-7261%29%22">Soil Dynamics & Earthquake Engineering (0267-7261)</searchLink>. Jan2026:Part B, Vol. 200, pN.PAG-N.PAG. 1p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Carbon+steel+corrosion%22">Carbon steel corrosion</searchLink><br /><searchLink fieldCode="DE" term="%22Deterioration+of+materials%22">Deterioration of materials</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+dynamics%22">Structural dynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Bridge+testing%22">Bridge testing</searchLink><br /><searchLink fieldCode="DE" term="%22Model+validation%22">Model validation</searchLink><br /><searchLink fieldCode="DE" term="%22Reinforced+concrete%22">Reinforced concrete</searchLink><br /><searchLink fieldCode="DE" term="%22Earthquake+hazard+analysis%22">Earthquake hazard analysis</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Italian existing bridges have been in many cases built during the second half of XX century and are close to or have already exceeded their intended design life. Important deterioration phenomena can be present, impacting the structural response and the seismic reliability of the system. Among the possible deterioration phenomena present in an existing bridge, corrosion plays a key role altering significantly the response of Reinforced Concrete (RC) members over time. This paper presents part of the research activities carried out by the authors within the project DPC-ReLUIS 2022-24 WP3 on seismic risk and reliability of existing bridges. A case study bridge is presented and analyzed in three sites representative of low, moderate and high seismic hazard. The case study is analyzed in both pristine and corroded condition. The corrosion scenario considered in the work has been validated through comparison with the results of an extensive experimental campaign. The results reveal that corrosion significantly reduces the seismic reliability of the bridge and alters the structural response, highlighting the need for considering carefully the evolution of a structure in the definition of management strategies and interventions. • Deterioration should be considered in Seismic Risk assessment of existing bridges. • Numerical results have been compared with experimental data. • Corrosion modifies the failure modes. • Deterioration leads to reduction of seismic reliability. • Not considering deterioration may lead to underestimating seismic risk. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Soil Dynamics & Earthquake Engineering (0267-7261) is the property of Elsevier B.V. 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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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1016/j.soildyn.2025.109877
    Languages:
      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
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      – SubjectFull: Carbon steel corrosion
        Type: general
      – SubjectFull: Deterioration of materials
        Type: general
      – SubjectFull: Structural dynamics
        Type: general
      – SubjectFull: Bridge testing
        Type: general
      – SubjectFull: Model validation
        Type: general
      – SubjectFull: Reinforced concrete
        Type: general
      – SubjectFull: Earthquake hazard analysis
        Type: general
    Titles:
      – TitleFull: Numerical and experimental assessment of the seismic vulnerability of an existing bridge in presence of carbonation-induced corrosion.
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          Name:
            NameFull: Reale, Simone
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            NameFull: Furinghetti, Marco
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            NameFull: Pavese, Alberto
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            – D: 15
              M: 01
              Text: Jan2026:Part B
              Type: published
              Y: 2026
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              Value: 200
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