Comparação da Análise de Custo do Ciclo de Vida (LCCA) de pavimentos (flexível, rígido e com mistura rígida com ASH de osso de vaca)
DOI:
https://doi.org/10.5935/jetia.v7i30.752Resumo
A Análise de Custo do Ciclo de Vida (LCCA) atua como uma ferramenta de apoio à decisão na avaliação econômica de custo (agência e usuário) durante a seleção do tipo de pavimento, manutenção e estratégia de reabilitação. A análise do custo do ciclo de vida foi feita usando o método Valor presente do custo. A análise de Recomendações Técnicas para Rodovias (TRH) 12 (investigação e projeto de reabilitação de pavimentos) foi usada para calcular o custo de agência que envolvia a reabilitação inicial, manutenção, futuro e custo de salvamento. O período de análise LCCA para este estudo foi considerado como 40 anos, pois o período de análise deve ser suficientemente longo para refletir as diferenças de custo de longo prazo associadas a estratégias de projeto razoáveis. O resultado do estudo mostra que o custo do valor presente para os diversos Pavimentos apresenta as opções disponíveis para a tomada de decisão. O resultado revelou que o custo inicial do pavimento rígido é o mais alto, seguido pelo custo inicial do pavimento rígido com 15% CBA, enquanto o pavimento flexível apresenta o menor custo inicial. No entanto, considerando o resultado que mostra o custo atual para os diversos tipos de pavimento, o custo atual do pavimento flexível é o mais alto, seguido por pavimento rígido e pavimento rígido com 15% CBA tem o menor custo de ciclo de vida. O estudo recomendou que o pavimento rígido com 15% CBA seja considerado, pois oferece o menor custo de ciclo de vida e o custo inicial é relativamente baixo.
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