1. Dept. of Civil Engineering, Instituto Tecnológico de Aeronáutica, 12228-900 São José dos Campos, SP, Brazil.
2. Professor, Dept. of Civil Engineering, Instituto Tecnológico de Aeronáutica, 12228-900 São José dos Campos, SP, Brazil (corresponding author).
3. Professor, Dept. of Civil Engineering, Instituto Tecnológico de Aeronáutica, 12228-900 São José dos Campos, SP, Brazil.
4. M.Sc. Student, Dept. of Civil Engineering, Instituto Tecnológico de Aeronáutica, 12228-900 São José dos Campos, SP, Brazil.