%T Interface crack propagation in concrete composites: symptotic analysis of stress-singularities %P 20-23 %I International Association for Fracture Mechanics of Concrete and Concrete Structures %O FraMCoS-5 Post-Conference Workshop on Interface Modeling, Vail, Colorado, April 16, 2004 %B Proceedings of FraMCoS-5 Post-Conference Workshop on Interface Modeling %D 2004 %L eprints1925 %A Alberto Carpinteri %A Marco Paggi