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dc.contributor.authorGomes, Guilherme José Cunha-
dc.contributor.authorMagalhães, Adair José de-
dc.contributor.authorRocha, Fabiano Lucindo Lima da-
dc.contributor.authorFonseca, Alberto de Freitas Castro-
dc.identifier.citationGOMES, G. J. C. et al. A sustainability-oriented framework for the application of industrial byproducts to the base layers of low-volume roads. Journal of Cleaner Production, v. 295, p. 126440, maio 2021. Disponível em: <>. Acesso em: 24 mar. 2021.pt_BR
dc.description.abstractRoadway engineering works typically rely on the utilization of natural aggregates as building materials. However, growing pressures for sustainable roads are highlighting the importance of replacing virgin materials with industrial byproducts. Constructors worldwide are trying to select optimum soilbyproduct mixtures that have a fair trade-off between engineering properties, environmental impacts and material costs. This requires a multi-objective analysis to explore feasible mixtures that honor a set of preferences to mathematically identify the best compromised soil-byproduct mixture. In this paper, a sustainability-oriented framework is proposed for selecting optimum soil-byproduct proportions for unbound base layers of unpaved roads. A compromise programming tool is implemented to select a mixture that is statistically preferred over mixtures with different byproduct contents. The method is illustrated using technical, economic and environmental indicators that are easily measurable. Investigations are performed for different decision-making perspectives including the constructor’s, contractor’s and the environment’s viewpoints. Two byproducts from the steel industry are mixed in different proportions from 50% to 80% by weight with a clayey soil. The optimum mixture was obtained at a proportion of 70% byproduct and 30% clay. Monte Carlo simulations and sensitivity analysis of transport scenarios further supported this conclusion. Results demonstrate that mixture selection based only on strength properties provides inadequate optimum from a sustainable standpoint. The proposed framework can help road constructors incorporate environmentally-friendly materials in a cost-effective way, while maintaining the technical quality of base layers.pt_BR
dc.subjectIndustrial byproductspt_BR
dc.subjectSustainability decision-makingpt_BR
dc.subjectUnpaved roadspt_BR
dc.subjectCompromise programmingpt_BR
dc.subjectSoil propertiespt_BR
dc.titleA sustainability-oriented framework for the application of industrial byproducts to the base layers of low-volume roads.pt_BR
dc.typeArtigo publicado em periodicopt_BR
Appears in Collections:DEAMB - Artigos publicados em periódicos

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