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Damage to the pavement begins from the first day of utilization; thus, timely and suitable maintenance rehabilitation are required to prevent substantial pavement damage and premature loss. Pavement management systems are used to developing efficient policies to monitor, maintain and rehabilitate deteriorating pavements. These systems consist of pavement inventory and condition information, pavement performance models, and pavement maintenanca and rehabilitation optimal programmes. This paper develops a pavement performance model, and the maintenance and rehabilitation optimal programme at a network level. The performance model is a non-linear empirical whose parameters are estimated from in-service pavement data. The shuffled complex evolution method is used to develop the optimum programming of the maintenance and rehabilitation at a network level. In both cases, the Kanagawa prefecture road network inventory and condition survey data were used. |
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