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Problems involving maintenance, in most cases, require scheduled periodic interventions according to a frequency. In the case of roads and railways, there is a kind of monitoring and inspection during certain time intervals in order to ensure the flow on roads. The aim of this paper is to present and compare a result of two mathematical models for the Periodic Capacitated Arc Routing Problem (PCARP). This class of problems has gained more attention in the last decade, where it must be determined a route to one or multiple vehicles respecting their capacities, considering a discrete time horizon so that the demands of each arc are attended. The results are satisfactory when applied in this context maintenance.

DOIS MODELOS MATEMÁTICOS CAPAZES DE SOLUCIONAR UM PROBLEMA PERIÓDICO DE MANUTENÇÃO ATRAVÉS DE ROTEAMENTO EM ARCOS