%D 2007 %A Marco Paggi %A Alberto Carpinteri %A Giuseppe Lacidogna %L eprints1952 %V 2 %T On the competition between delamination and shear failure in retrofitted concrete beams and related scale effects %P 1069-1076 %I Taylor & Francis %O Second volume of the Proceedings of the 6th International Conference on Fracture Mechanics of Concrete and Concrete Structures (FraMCoS-6, Catania, Italy, 17-22 June 2007) %B Design, Assessment and Retrofitting of RC Structures