Issue 51

C. Ferrero et alii, Frattura ed Integrità Strutturale, 51 (2020) 92-114; DOI: 10.3221/IGF-ESIS.51.08 108 August 24 th , 2016 (PGAx = 0.33 g) October 26 th , 2016 (PGAx = 0.36 g) +X direction Load factor 0.33 g - Max. principal crack width 1.52 mm Load factor 0.36 g - Max. principal crack width 1.76 mm a) b) -X direction Load factor 0.33 g - Max. principal crack width 1.58 mm Load factor 0.37 g - Max. principal crack width 1.93 mm c) d) Figure 16: Principal crack width for horizontal load factors comparable to the PGA recorded in the X direction of the building in the seismic events of August 24 th , 2016 (left) and October 26 th , 2016 (right): a)-b) +X direction, c)-d) -X direction. August 24 th , 2016 (PGAy = 0.32 g) October 26 th , 2016 (PGAy = 0.47 g) +Y direction Load factor 0.32 g - Max. principal crack width 2.07 mm Load factor 0.42 g - Max. principal crack width 8.51 mm a) b) -Y direction Load factor 0.32 g - Max. principal crack width 1.70 mm Load factor 0.44 g - Max. principal crack width 7.29 mm c) d) Figure 17: Principal crack width for horizontal load factors comparable to the PGA recorded in the Y direction of the building in the seismic events of August 24 th , 2016 (left) and October 26 th , 2016 (right): a)-b) +Y direction, c)-d) -Y direction.