Mode

Source

type Para.

(1)

Chi-Chi Earthquake

(2)

Typhoon Aere

(3)

Ambient Vibrations

(4)

Building Code(2001)

1^st EW

f₁

0.205

0.210 ± 0.006

0.217 ± 0.005

0.217

2^nd EW

f₂

0.500

0.519 ± 0.012

0.539 ± 0.010

3^rd EW

f₃

0.969

1.002 ± 0.014

1.027 ± 0.013

1^st EW

δ₁

−5.53

−3.23

0.00