1. Professor, Dept. of Civil Engineering, Universidade Paulista, Dr. Bacelar St. 1212, 04026002 São Paulo, Brazil; Ph.D. Student, Dept. of Graduate Studies in Production Engineering, Universidade Paulista, Dr. Bacelar St. 1212, 04026002 São Paulo, Brazil.
2. Full Professor, Dept. of Graduate Studies in Production Engineering, Universidade Paulista, Dr. Bacelar St. 1212, 04026002 São Paulo, Brazil (corresponding author).