Research Article

Optimal Placement of Passive Energy Dissipation Devices by Genetic Algorithms

Table 3

Earthquake records.

SiteGroupRecordsComponentInterval (s)Time (s)Peak value (cm/s2)

IF1
F2
N1
1985, La Union, Michoacan Mexico
1994, Los Angeles Griffith Observation, Northridge
1988, Zhutang, A, Langcang
N00E
360
S00E
0.01
0.005
0.01
62.71
28.75
25.32
162.79
163.80
541.60
IIF3
F4
N2
1971, Castaic Old bridge Route, San Fernando
1979, El Centro, Array no. 10, Imperial valley
1988, Gengma Gengma1
N69W
N69W
S00E
0.02
0.01
0.02
61.87
37.07
12.36
265.40
168.21
140.75
IIIF6
F7
N3
1984, Coyote Lake Dam, Morgan Hill
1940, El Centro-Imp Vall Irr Dist, El Centro
1988, Gengma Gengma 2
285
270
S00E
0.02
0.02
0.02
59.98
53.47
16.56
1137.80
210.10
90.02
IVF8
F9
N4
1949, Olympia Hwy Test Lab, Western Washington 1981, Westmor and, Westmoreland
1976, Tianjin Hospital, Tangshan
356
90
WE
0.02
0.02
0.01
89.16
88.43
19.19
161.63
353.97
104.18