Experimental natural frequency data for fixed-base and soil–structure models
| Acceleration | ME-1 | QZ-1 | f0/fstr | ME-2 | QZ-2 | f0/fstr |
|---|---|---|---|---|---|---|
| fstr | f0 | fstr | f0 | |||
| 1g | 402·8 ± 0·20 | 160·7 ± 0·48 | 0·399 | 170·9 ± 0·00 | 59·9 ± 0·28 | 0·350 |
| 20g | 402·7 ± 0·15 | 207·4 ± 0·29 | 0·515 | 171·5 ± 0·06 | 106·2 ± 0·60 | 0·620 |
| 40g | 402·4 ± 0·13 | 217·7 ± 0·09 | 0·541 | 171·5 ± 0·16 | 113·1 ± 0·35 | 0·660 |
| 60g | 402·3 ± 0·10 | 226·1 ± 0·39 | 0·562 | 171·5 ± 0·14 | 116·1 ± 0·06 | 0·678 |
| 80g | 402·4 ± 0·05 | 231·4 ± 0·09 | 0·575 | 170·6 ± 0·02 | 117·7 ± 0·18 | 0·687 |
| 100g | 402·5 ± 0·11 | 237·9 ± 0·17 | 0·591 | 171·8 ± 0·16 | 119·1 ± 0·20 | 0·695 |
| Acceleration | ME-1 | QZ-1 | ME-2 | QZ-2 | ||
|---|---|---|---|---|---|---|
| 1 | 402·8 ± 0·20 | 160·7 ± 0·48 | 0·399 | 170·9 ± 0·00 | 59·9 ± 0·28 | 0·350 |
| 20 | 402·7 ± 0·15 | 207·4 ± 0·29 | 0·515 | 171·5 ± 0·06 | 106·2 ± 0·60 | 0·620 |
| 40 | 402·4 ± 0·13 | 217·7 ± 0·09 | 0·541 | 171·5 ± 0·16 | 113·1 ± 0·35 | 0·660 |
| 60 | 402·3 ± 0·10 | 226·1 ± 0·39 | 0·562 | 171·5 ± 0·14 | 116·1 ± 0·06 | 0·678 |
| 80 | 402·4 ± 0·05 | 231·4 ± 0·09 | 0·575 | 170·6 ± 0·02 | 117·7 ± 0·18 | 0·687 |
| 100 | 402·5 ± 0·11 | 237·9 ± 0·17 | 0·591 | 171·8 ± 0·16 | 119·1 ± 0·20 | 0·695 |
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