Page 209 - Handbook of Materials Failure Analysis
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5 Case Study 205
Table 8.15 Different Coefficient of the Response
Spectrum
0.20
Coefficient of acceleration zone A¼
6.00
Critical damping ξ¼
2.00
Global behavior coefficient of the structure R¼
0.15 s
Characteristic period T 1 ¼
0.40 s
Characteristic period T 2 ¼
1.00
Quality factor Q¼
0.94>0.7
Correction factor of damping η¼
0.3500
0.3000
0.2500
Acceleration (Sa/g) 0.2000
0.1500
0.1000
0.0500
0.0000
0.00 1.00 2.00 3.00 4.00 5.00
Period (s)
FIGURE 8.5
Response spectrum.
F o M o
F 1 M 1
Y
X
FIGURE 8.6
The resulting seismic force applied on each mass.
