Seismic Response Analysis of Masonry Minaret and Possible Strengthening by Fiber Reinforced Cementitious Matrix (FRCM) Materials

Table 2

The first six calculated natural periods and frequencies before seismic strengthening.

Modes	1st	2nd	3rd	4th	5th	6th
Direction	Lateral	Lateral	Lateral	Lateral	Torsional	Lateral
Period (sec)	1.229	1.229	0.191	0.191	0.100	0.077
Frequency (Hz)	0.813	0.814	5.224	5.225	9.910	12.888