ABSTRACT

The paper aims to develop a decision support system for planning the optimal maintenance scheduling of deteriorating reinforced concrete (RC) decks in steel girder bridges. The evaluating method is proposed for the maintenance program of damaged steel bridge decks, in which both the life cycle cost and performance-based design concept are adopted. The highway network, traffic condition, and construction site condition are taken into account. The repair and user costs for the maintenance program of damaged RC decks are evaluated, to decide the optimal maintenance scheduling of RC bridge decks. Genetic Algorithm (GA) is adopted, in order to obtain the optimal solution for maintenance problem of damaged bridge decks formulated as the large combinatorial optimization problem.