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Probabilistic Generalization of a Comprehensive Model for the Deterioration Prediction of RC Structure under Extreme Corrosion Environments

Author

Listed:
  • Xingji Zhu

    (Department of Civil Engineering, Harbin Institute of Technology at Weihai, Weihai 264209, China)

  • Zaixian Chen

    (Department of Civil Engineering, Harbin Institute of Technology at Weihai, Weihai 264209, China)

  • Hao Wang

    (Department of Civil Engineering, Southeast University, Nanjing 210096, China)

  • Yabin Chen

    (Department of Civil Engineering, Harbin Institute of Technology at Weihai, Weihai 264209, China)

  • Longjun Xu

    (Department of Civil Engineering, Harbin Institute of Technology at Weihai, Weihai 264209, China
    Cooperative Innovation Center of Engineering Construction and Safety in Shandong Blue Economic Zone, Qingdao 266033, China)

Abstract

In some extreme corrosion environments, the erosion of chloride ions and carbon dioxide can occur simultaneously, causing deterioration of reinforced concrete (RC) structures. This study presents a probabilistic model for the sustainability prediction of the service life of RC structures, taking into account that combined deterioration. Because of the high computational cost, we also present a series of simplifications to improve the model. Meanwhile, a semi-empirical method is also developed for this combined effect. By probabilistic generalization, this simplified method can swiftly handle the original reliability analysis which needs to be based on large amounts of data. A comparison of results obtained by the models with and without the above simplifications supports the significance of these improvements.

Suggested Citation

  • Xingji Zhu & Zaixian Chen & Hao Wang & Yabin Chen & Longjun Xu, 2018. "Probabilistic Generalization of a Comprehensive Model for the Deterioration Prediction of RC Structure under Extreme Corrosion Environments," Sustainability, MDPI, vol. 10(9), pages 1-17, August.
    • Handle: RePEc:gam:jsusta:v:10:y:2018:i:9:p:3051-:d:166150
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    References listed on IDEAS

    as
    1. Suo, Qinghui & Stewart, Mark G., 2009. "Corrosion cracking prediction updating of deteriorating RC structures using inspection information," Reliability Engineering and System Safety, Elsevier, vol. 94(8), pages 1340-1348.
    2. Val, Dimitri V. & Trapper, Pavel A., 2008. "Probabilistic evaluation of initiation time of chloride-induced corrosion," Reliability Engineering and System Safety, Elsevier, vol. 93(3), pages 364-372.
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