Seismic reliability analysis of corroded reinforced concrete bridge piers in a life-cycle perspective

Abstract eng:
For structures located in aggressive environment and earthquake region, it is important to consider the effect of material corrosion on seismic performance. This keynote paper presents the seismic analysis method of corroded reinforced concrete (RC) bridges. It is shown that the analytical results are in good agreement with the experimental results regardless of the amount of steel corrosion. The proposed method is applied to seismic reliability analysis of corroded RC bridge piers, and the relationship between steel corrosion and seismic reliability is presented. After the occurrence of crack corrosion, seismic reliability of the pier is significantly declining. If corrosion cracks on the bridge pier are detected by visual inspection, more detailed inspections need to be performed.

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