1. Polytechnic School of the University of São Paulo, Av. Prof. Almeida Prado, Travessa 2, Department of Structures and Foundations, CEP 05508-900 São Paulo (SP).
2. COPPE-UFRJ, Cid. Univ., CT - B, Sala B-101, Ilha do Fundão - Caixa Postal 68506, RJ.