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Abstract: In the last few years, fibers have been proposed as one of the most important additives for the development of reinforced asphalt mixtures. The optimal fiber selection is a very complex task, as an extensive range of criteria and alternatives have to be taken into account. Decision support systems have been applied in the construction sector, but not for selecting fibers for bituminous mixtures. To fill this gap, two Multi-Criteria Decision-Making Analysis methodologies for the selection of the best fiber to be used in Asphalt Concretes are presented in this paper. The Weighted Aggregate Sum Product Assessment (WASPAS) methodology and the Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) integrated with Fuzzy Analytic Hierarchy Process (FAHP) are used to evaluate the effect of various types of fibers on the mechanical performance of bituminous mixtures. Given the uncertainty involved, a stochastic simulation is proposed using the Monte Carlo method. A statistical analysis is carried out to verify the results obtained. Both methods of multi-criteria analysis were effective, with TOPSIS being slightly more conservative in the assignment of performance scores. Synthetic fibers proved to be a suitable option as did fibers with high tensile strength and elastic modulus.
Fuente: International Journal of Pavement Engineering Volume 22, 2021 - Issue 6
Editorial: Taylor and Francis Ltd.
Año de publicación: 2021
Tipo de publicación: Artículo de Revista
Url de la publicación: https://www.tandfonline.com/doi/full/10.1080/10298436.2019.1645848
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SLEBI-ACEVEDO, CARLOS JOSÉ
PABLO PASCUAL MUÑOZ
PEDRO LASTRA GONZALEZ
DANIEL CASTRO FRESNO