|About this Abstract
||2021 TMS Annual Meeting & Exhibition
||Characterization of Minerals, Metals and Materials 2021
||The Simpex-Lattice method application to Optimize the Design of Soil-Slag-Fly ash mixtures
||Mateus Henrique Ribeiro Rodrigues, Leonardo Gonçalves Pedroti, Taciano Oliveira da Silva, Heraldo Nunes Pitanga, Klaus Henrique De Paula Rodrigues, Emerson Cordeiro Lopes
|On-Site Speaker (Planned)
||Leonardo Gonçalves Pedroti
The utilization of ladle furnace slags and fly ashes as soil stabilizers in road construction is an alternative to reuse these by-products. However, there is no method grounded on experiments design to optimize the dosage of those by-products in mixtures with soil. This study applied the Simplex-Lattice Method to perform the design of experiments to optimize the design of Soil-Slag-Fly ash mixtures. The soil was geomechanically characterized and the by-products were submitted to SEM (Scanning Electronic Microscopy), XRD (X-Ray Diffraction), pozzolanic activity and specific surface area analysis. The experimental mixtures were submitted to Unconfined Compressive Strength test and the results led to a response surface and a mathematical model that described the interaction between the components and allowed the mixture design optimization. This study highlights the potential of the Simplex-Lattice method to optimize Soil-Slag-Fly ash mixtures and the technical suitability of utilizing those by-products as soil stabilizers.