Four affiliates of the StroNGER S.r.l. and the Franco Bontempi research group at School of Civiland Industrial Engineering, Sapienza University of Rome, attended the annual ASCE/SEIStructures Conference held in Pittsburgh, PA (May 2-4). They contributed to the special session onstructural robustness organized by Dr. Gkoumas and Prof. Clay Naito (Associate Professor andAssociate Chair, Lehigh University).Dr. Crosti gave a presentation on forensic investigations for the collapse of a metal truss structureStroNGERStroNGER S.r.lS.r.l. @ 2013 STRUCTURE CONGRESS. @ 2013 STRUCTURE CONGRESSDr. Crosti gave a presentation on forensic investigations for the collapse of a metal truss structure(http://www.slideshare.net/slideshow/embed_code/21281404).Ms. Brando had a contribution on the robustness assessment of steel truss bridges, using the I-35Minnesota bridge as a case study (http://www.slideshare.net/slideshow/embed_code/21265627).Mr. Olmati’s contribution was on the robustness assessment of long span suspension bridges(http://www.slideshare.net/slideshow/embed_code/21281560 )More information about the conference, held this time in Pittsburgh, known as both "the Steel City"for its more than 300 related businesses and "the City of Bridges" for its world record 446 bridgescan be found in http://content.asce.org/conferences/structures2013.Dr. Crosti, Dr. Gkoumas and Mr. Olmati prolonged their staying abroad for respectively one, twoand four weeks, visiting colleagues at Universities, research centers and private firms, in NYC(NY),Bethlehem (PA), Buffalo (NY), Gaithersburg (MD) and Montreal (CA), engaging in research,professional and recreational activities.