%O 12th International Conference on Fracture (ICF-12), Ottawa, Canada, 12-17 July 2009 %D 2009 %B Proceedings of the 12th International Conference on Fracture %I Curran Associates, Inc %T Delamination vs. shear failure in retrofitted concrete beams and related size-scale effects %L eprints2062 %A Alberto Carpinteri %A Giuseppe Lacidogna %A Marco Paggi %P 1445-1454