Optimization of maintenance planning for existing bridge using ACA

Making a maintenance plan in Bridge Management System is bound by the factors of economy, environment and society, of which the economy factor and the traitstative of maintained bridges are the most important. According to the load-carrying capability and durability, an optimum model of bridge maintenance plan to minimize maintenance cost and get maximum quality is established. In this model, the ACA is used to optimize the maintenance plan and the best management scheme based on maintenance budget and execution conditions is given.