1. Pos-Graduate Program in Engineering (PPENG); Federal University of Pampa (UNIPAMPA); Campus Alegrete, Av. Tiarajú, 810 Alegrete RS CEP 97546-550 Brazil
2. Department of Civil Engineering; Federal University of Rio Grande do Sul; Av. Osvaldo Aranha 99, 3° andar CEP 90035-190 Porto Alegre RS Brazil
3. Pos-Graduate Program in Mechanical Engineering (PROMEC); Federal University of Rio Grande do Sul (UFRGS); Rua Sarmento Leite, 425 Porto Alegre RS CEP 90.050-170 Brazil
4. Reactor Safety Division; Bhabha Atomic Research Centre; Trombay Mumbai 400085 India
5. Professor in Civil Engineering; Indian Institute of Technology Bombay; Powai Mumbai 400076 India