ABSTRACT
The structural performances of prefabricated column have been investigated a lot as the significant part in bridge constructions, including the capacity, seismic response, and durability resistance. However, the study about the effect of durability degradation on structural long-term service behavior can hardly be found in existing research, especially the life-cycle seismic performance. Due to the chloride ingress from the usage of deicing salt in snowy days, the steel reinforcement can be corroded and the structural behavior under earthquake can be influenced, which should be analyzed and considered in the detailed structural design. In this paper, the typical design of prefabricated column is used for the life-cycle seismic analysis. With the proposed simulation method, the chloride ingress is predicted by mesoscopic cellular automata, and the seismic performance is evaluated under hysteretic deformation with the modification of reinforcement corrosion. Compared with the original structure behavior, the effects of durability degradation on the hysteretic curve and structural strain distribution are discussed in detail.
