Table 3 Isolation system parameters that give smallest max. base shear.
From: Selection of seismic isolation system parameters for the near-optimal design of structures
Earthquake | PGA | PGV | PGD | Min \(V_{b\;max}\) | \(\mu (\%)\) | \(1/\alpha \) | Max \(V_{b\;max}\) | \(\mu (\%)\) | \(1/\alpha \) |
|---|---|---|---|---|---|---|---|---|---|
Lucerne | 689.64 | 25.72 | 8.82 | 685.67 | 4 | 10 | 648.46 | 15 | 5 |
Yermo | 240.34 | 50.81 | 41.27 | 1287.86 | 4 | 20 | 881.18 | 15 | 5 |
Hollister | 361.99 | 62.78 | 30.18 | 1990.35 | 5 | 20 | 961.25 | 15 | 5 |
Lexington | 433.60 | 84.43 | 14.67 | 1530.40 | 4 | 10 | 1007.60 | 15 | 5 |
Petrolia | 649.42 | 89.45 | 30.58 | 2364.65 | 5 | 20 | 1167.90 | 15 | 5 |
Newhall | 577.81 | 94.72 | 30.47 | 2170.60 | 5 | 20 | 1070.20 | 15 | 5 |
El centro | 427.72 | 108.71 | 55.16 | 2323.61 | 12 | 20 | 1462.10 | 4 | 20 |
Sylmar | 826.98 | 128.89 | 32.55 | 3008.63 | 15 | 20 | 1671.20 | 4 | 5 |