Sensitivity to Damage Imperfection for Multileaf Masonry Walls Based on Vibrational Analyses

Table 5

Frequency values and standard deviation (SD) for the 1st bending modal shape.

Typology	Undamaged			Damaged to 35%		Damaged to 75%
	Freq. (Hz)	SD1	SD2	Freq. (Hz)	SD	Freq. (Hz)	SD
B1-1	7.468	1.892	0.428	9.83	0.201	10.181	0.249
B1-2	6.779			9.584		10.449
B1-3	6.683			9.38		9.904
B2-1	2.611		0.450	9.571		10.238
B2-2	3.507			9.396		9.711
B2-3	—			9.418		9.687
B3-1	3.61			9.687		9.883
B3-2	3.626			9.913		10.008
B3-3	3.687			9.81		9.953