Navegando por Autor "Santos, André Luís dos"

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Mct classification for compacted mixtures of soil-steel slag-fly ash for application in forest roads
(Revista Árvore, 2016-09-16) Pitanga, Heraldo Nunes; Silva, Taciano Oliveira da; Santos, André Luís dos; Silva, Ana Claudia Bernardes; Lima, Dario Cardoso de
This work aimed to evaluate the potential application of a stabilizer derived from the intimate mixture of powder electric arc furnace oxidizing slag and fly ash, aiming at the improvement of soil engineering properties for enforcement purposes on forest roads. This evaluation was undertaken by means of an experimental program of laboratory tests to classify soils and mixtures of these with the proposed stabilizer according to the MCT (Miniature, Compacted, Tropical) methodology. The proportions of waste mixtures were 10% and 20% of the total dry mass of soil-waste combinations and percentages of ground steel slag were 75%, 87.5% and 100% relative to total dry mass of waste mixtures. It was shown the potential to technically enable the use of steel waste in the composition of forest roads, emphasizing the relevance of the proposal in meeting the need of steel companies to confer a sustainable destination for the waste and the need of forest companies to meet, with low-cost materials, the significant demands of their unpaved road network.