“…However, intensive investigation of such phenomena, as well as of methods to reduce their effects, started only after the collapse of the World Trade Center towers in September 11, 2001. Design strategies to control the damage propagation or reduce the probability of occurrence of the initial failure have been proposed [1][2][3][4][5][6][7][8]. Up to now, due to the non-compulsory nature of the design strategies, a very limited number of existing buildings has been designed against progressive collapse.…”