Use of Red Mud in Soil Stabilization for Pavement Through Alkali Activation

The concern about the amount of solid wasteWastes generated in aluminum production has led to studies on the reuse of this wasteWastes in various types of construction materials. This research investigated the use of red mudRed mud in soil stabilizationSoil stabilization for pavement through alkali activation. Experiments with tropical soil and red mudRed mud activated with NaOH (6, 8, and 10 mol) aimed to optimize the soil propertiesSoil properties. The mixtureMixture was evaluated for mechanical performance, and ideal proportions of mud (10, 20, 30, and 40%) were determined. Compaction curves were performed for different proportions of the residueResidue, obtaining values for optimum moisture content and maximum density. There was an improvement in the strength of the samples with the replacement of up to 20% of red mudRed mud, and it showed a significant improvement, with results exceeding 300%, when compared to compaction without additives.