Experimental characterization of mechanical properties of the cement pasteaggregate interface in concrete M. Jebli, F. Jamin, E. Malachanne, E. Garcia-Diaz and M.S. El Youssoufi EPJ Web Conf., 140 (2017) 12014 Published online: 30 June 2017 DOI: 10.1051/epjconf/201714012014