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Revista Técnica de la Facultad de Ingeniería Universidad del Zulia
versão impressa ISSN 0254-0770
Resumo
DE LEON ESCOBEDO, David e TORRES ACOSTA, Andrés. Bridge preventive maintenance based on life-cycle assessment. Rev. Téc. Ing. Univ. Zulia [online]. 2010, vol.33, n.1, pp.3-10. ISSN 0254-0770.
A criterion for preventive maintenance scheduling (PMS) is proposed based on the history of previous damage occurrences, duration of repairs or maintenance, and the development of cost functions. The PMS method describes the performance of the bridge for the deterioration/damage events and maintenance actions during the bridges service life. The time to failure and repair time are modeled as random variables. Sensitivity studies show that the maintenance cost by damage consequence, an indirect measure of the bridge importance, plays a significant role on the optimal maintenance period
Palavras-chave : Bridge maintenance; life-cycle cost; time to damage; repair time; optimal maintenance schedule.
