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Geoenvironmental Disasters

Table 4 The first and second frequencies and the \({\mathrm{I}}_{\mathrm{V}}\) value for all minarets

From: Seismic vulnerability assessment of historical minarets in Cairo

Minaret

Frequency (Hz)

\({\mathrm{I}}_{\mathrm{V}}\) %

First mode

Second mode

A

1.48

3.45

11.5

B

1.47

1.80

26.1

C

1.41

1.95

 

D

0.76

2.61

21.4

E

1.80

2.96

19.6

F

1.22

3.12

10.3

G

1.22

3.10

 

H

2.51

4.56

14.4

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