1. Researcher, Department of Structural Engineering, São Carlos Engineering School, University of São Paulo, Av. Trabalhador Sãocarlense, 400, CEP 13566-590 Sao Carlos, SP - BRAZIL
2. Student, Department of Structural Engineering, São Carlos Engineering School, University of São Paulo, Av. Trabalhador Sãocarlense, 400, CEP 13566-590 Sao Carlos, SP - BRAZIL
3. MsC. Student, Department of Structural Engineering, São Carlos Engineering School, University of São Paulo, Av. Trabalhador Sãocarlense, 400, CEP 13566-590 Sao Carlos, SP - BRAZIL
4. Professor and coordinator, Department of Structural Engineering, São Carlos Engineering School, University of São Paulo, Av. Trabalhador Sãocarlense, 400, CEP 13566-590 Sao Carlos, SP - BRAZIL