Table 4 Isolation system parameters that give smallest max. base displacement.
From: Selection of seismic isolation system parameters for the near-optimal design of structures
Earthquake | PGA | PGV | PGD | Min \(x_{b\;max}\) | \(\mu (\%)\) | \(1/\alpha \) | Max \(x_{b\;max}\) | \(\mu (\%)\) | \(1/\alpha \) |
|---|---|---|---|---|---|---|---|---|---|
Lucerne | 689.64 | 25.72 | 8.82 | 2.92 | 10 | 20 | 3.11 | 15 | 5 |
Yermo | 240.34 | 50.81 | 41.27 | 7.16 | 15 | 10 | 7.68 | 8 | 5 |
Hollister | 361.99 | 62.78 | 30.18 | 18.45 | 15 | 20 | 12.58 | 4 | 15 |
Lexington | 433.60 | 84.43 | 14.67 | 18.15 | 12 | 20 | 8.59 | 4 | 5 |
Petrolia | 649.42 | 89.45 | 30.58 | 23.95 | 15 | 20 | 15.40 | 4 | 5 |
Newhall | 577.81 | 94.72 | 30.47 | 17.17 | 15 | 20 | 13.53 | 4 | 5 |
El Centro | 427.72 | 108.71 | 55.16 | 18.05 | 15 | 7 | 23.27 | 4 | 20 |
Sylmar | 826.98 | 128.89 | 32.55 | 29.62 | 15 | 20 | 26.95 | 4 | 5 |