TY - GEN
T1 - Life-cycle reliability estimation of deteriorating RC structures by stochastic interpolation of spatial random fields
AU - Srivaranun, S.
AU - Masuda, K.
AU - Akiyama, M.
AU - Frangopol, D. M.
AU - Maruyama, O.
N1 - Publisher Copyright:
© 2021 Taylor & Francis Group, London.
PY - 2020
Y1 - 2020
N2 - The uncertainties associated with the prediction of long-term structural performance of existing reinforced concrete (RC) structures can be reduced by updating the model parameters using observational information. However, those parameters have been updated ignoring the spatial steel corrosion, and this assumption could lead to an overestimation of the structural reliability. In this paper, an approach is proposed to update the reliability of deteriorating RC structures considering the effect of the variables that cause non-uniform steel corrosion. The stochastic interpolation process of the particle filter method is utilized to update the model parameters based on the observational data obtained at discrete locations on the structures. In an illustrative example, the life-cycle reliability of a RC girder is presented. Visual inspection results of corrosion crack width are applied to update the reliability, and the effect of the observational information on the reliability updating of the RC girder is discussed.
AB - The uncertainties associated with the prediction of long-term structural performance of existing reinforced concrete (RC) structures can be reduced by updating the model parameters using observational information. However, those parameters have been updated ignoring the spatial steel corrosion, and this assumption could lead to an overestimation of the structural reliability. In this paper, an approach is proposed to update the reliability of deteriorating RC structures considering the effect of the variables that cause non-uniform steel corrosion. The stochastic interpolation process of the particle filter method is utilized to update the model parameters based on the observational data obtained at discrete locations on the structures. In an illustrative example, the life-cycle reliability of a RC girder is presented. Visual inspection results of corrosion crack width are applied to update the reliability, and the effect of the observational information on the reliability updating of the RC girder is discussed.
UR - http://www.scopus.com/inward/record.url?scp=85117394906&partnerID=8YFLogxK
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U2 - 10.1201/9780429343292-12
DO - 10.1201/9780429343292-12
M3 - Conference contribution
AN - SCOPUS:85117394906
T3 - Life-Cycle Civil Engineering: Innovation, Theory and Practice - Proceedings of the 7th International Symposium on Life-Cycle Civil Engineering, IALCCE 2020
SP - 140
EP - 145
BT - Life-Cycle Civil Engineering
A2 - Chen, Airong
A2 - Ruan, Xin
A2 - Frangopol, Dan M.
PB - CRC Press/Balkema
T2 - 7th International Symposium on Life-Cycle Civil Engineering, IALCCE 2020
Y2 - 27 October 2020 through 30 October 2020
ER -