266
            
            
              IBRACON Structures and Materials Journal • 2012 • vol. 5  • nº 2
            
            
              
                Three-dimensional analysis of two-pile caps
              
            
            
              Figure 19 – Anchorage length and ties stresses [MPa] in the inferior nodal zone of model 5
            
            
              Figure 20 – Load vs. displacement curve
            
            
              Figure 21 – Principal plastic strains - (a) model 1; (b) model 2; (c) model 3
            
            
              (a)
            
            
              (b)
            
            
              (c)