Simulation of Synthetic Ground Motions for Specified Earthquake ...
Simulation of Synthetic Ground Motions for Specified Earthquake ...
Simulation of Synthetic Ground Motions for Specified Earthquake ...
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Comparison with NGA Models:<br />
10 0 M=6.0, R=20km<br />
10 -1<br />
Selected NGA Models:<br />
Campbell-Bozorgnia (z 2.5 = 1km)<br />
Abrahamson-Silva (z 1.0 = 34m)<br />
Chiou-Youngs (z 1.0 = 24m)<br />
Boore-Atkinson<br />
NGA Parameters:<br />
Rupture width = 20km<br />
Rupture depth = 1km<br />
<br />
10 -2<br />
5% Damped Pseudo-Acceleration Response Spectrum, g<br />
10 -3<br />
10 0 M=7.0, R=20km M=7.0, R=20km<br />
10 -1<br />
10 -2<br />
10 -3<br />
10 0 M=8.0, R=20km<br />
10 -1<br />
10 -2<br />
10 -3<br />
M=7.0, R=10km<br />
M=7.0, R=40km<br />
0.1 1.0 5.0 0.1 1.0<br />
Period, sec<br />
Period, sec<br />
5.0<br />
Avg NGA<br />
Median +1 logarithmic stdv.<br />
Median<br />
Median −1 logarithmic stdv.<br />
F = 0 (Strike-Slip)<br />
V s30 = 760 m/sec<br />
500 <strong>Simulation</strong>s<br />
Note:<br />
Models based on different subsets <strong>of</strong> NGA database.<br />
Observe:<br />
Except <strong>for</strong> M=6.0 (lower bound <strong>of</strong> database),<br />
deviations are much smaller than the variability<br />
present in the NGA prediction equations.<br />
<strong>Synthetic</strong>s are in close agreement with NGA.
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