1. PhD candidate, Graduate Programme in Civil Engineering, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
2. PhD student, Graduate Programme in Civil Engineering, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
3. Expert Engineer, Exploration and Mineral Projects – Mineral Development Centre, VALE S.A., Santa Luzia, MG, Brazil
4. Research Fellow, Graduate Programme in Civil Engineering, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
5. Professor of Civil Engineering, Graduate Programme in Civil Engineering, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil (corresponding author: )