1. Department of Structural Engineering, Federal University of Juiz de Fora, Rua José Lourenço Kelmer, s/n São Pedro, Juiz de Fora 36036-900, MG, Brazil
2. Department of Civil Engineering, Mackenzie Presbyterian University, Av. Brasil, 1220-Jardim Guanabara, Campinas 13073-148, SP, Brazil
3. School of Engineering of São Carlos, University of Sao Paulo, Av. Trabalhador Saocarlense, 400, Sao Carlos 13566-590, SP, Brazil
4. Department of Civil Engineering and Architecture, University of Beira Interior, 6201-001 Covilhã, Portugal