Research Article
Nonlinear Regression Based Health Monitoring of Hysteretic Structures under Seismic Excitation
Table 1
Selected 20 ground motions.
| EQ | Event | Year | | Station | -distance (km) | Soil type | Duration (s) | PGA (g) |
| EQ1 | Superstition Hill | 1987 | 6.7 | EI Centro Imp. Co. Cent | 13.9 | D | 40.0 | 0.358 | EQ2 | Brawley | 18.2 | D | 22.0 | 0.156 | EQ3 | Plaster City | 21.0 | D | 22.2 | 0.121 |
| EQ4 | Northridge | 1994 | 6.7 | Beverly Hills 14145 Mulhol | 19.6 | C | 30.0 | 0.516 | EQ5 | Canoga Park-Topanga Can | 15.8 | D | 25.0 | 0.356 | EQ6 | Glendale-Las Palmas | 25.4 | D | 30.0 | 0.206 | EQ7 | LA-Hollywood Stor. FF | 25.5 | D | 40.0 | 0.231 | EQ8 | N. Hollywood-Coldwater Can | 14.6 | C | 21.9 | 0.273 | EQ9 | LA-N Faring Rd | 23.9 | D | 30.0 | 0.298 | EQ10 | Sunland-Mt Gleason Ave | 17.7 | C | 30.0 | 0.127 |
| EQ11 | Loma Prieta | 1989 | 6.9 | Capitola | 14.5 | D | 40.0 | 0.529 | EQ12 | Gilroy Array #3 | 14.4 | D | 39.9 | 0.555 | EQ13 | Gilroy Array #4 | 16.1 | D | 40.0 | 0.417 | EQ14 | Gilroy Array #7 | 24.2 | D | 40.0 | 0.226 | EQ15 | Hollister Diff. Array | 25.8 | D | 39.6 | 0.269 | EQ16 | Saratoga-W Valley Coll. | 13.7 | C | 40.0 | 0.332 |
| EQ17 | Cape Mendocino | 1992 | 7.1 | Fortuna-Fortuna Blvd | 23.6 | C | 44.0 | 0.116 | EQ18 | Rio Dell Overpass-FF | 18.5 | C | 36.0 | 0.171 |
| EQ19 | Landers | 1992 | 7.3 | Desert Hot Springs | 23.3 | C | 50.0 | 0.385 | EQ20 | Yermo Fire Station | 24.9 | D | 44.0 | 0.245 |
|
|