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