On the calculation of peak ground velocity for seismic performance assessment
Ratios of pseudo-spectral velocity (averaged over the period range of 0.5-2 seconds and at a period of 1 second) to peak ground velocity (PGV) were computed for hundreds of ground motion records selected from the PEER NGA Strong Motion Database. Two-stage regression analyses were performed to develo...
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| Veröffentlicht in: | Earthquake spectra 2015-05, Vol.31 (2), p.785-794 |
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| container_title | Earthquake spectra |
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| creator | Huang, Yin-Nan Whittaker, Andrew S |
| description | Ratios of pseudo-spectral velocity (averaged over the period range of 0.5-2 seconds and at a period of 1 second) to peak ground velocity (PGV) were computed for hundreds of ground motion records selected from the PEER NGA Strong Motion Database. Two-stage regression analyses were performed to develop models for the ratios. The inter-event terms of the ratios trend to moderate decrease as moment magnitude increases; the intra-event residuals do not depend on distance. The results of this study provide the technical basis for a procedure presented in the American Technology Council's ATC-58 project, Guidelines for Seismic Performance Assessment of Buildings, for estimating PGV by scaling values of pseudo-spectral velocity. |
| doi_str_mv | 10.1193/081112EQS261T |
| format | Article |
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Two-stage regression analyses were performed to develop models for the ratios. The inter-event terms of the ratios trend to moderate decrease as moment magnitude increases; the intra-event residuals do not depend on distance. 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| ispartof | Earthquake spectra, 2015-05, Vol.31 (2), p.785-794 |
| issn | 8755-2930 1944-8201 |
| language | eng |
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| source | SAGE Complete |
| subjects | acceleration Assessments buildings data bases data processing Earthquakes geologic hazards global ground motion Grounds Guidelines magnitude Mathematical models natural hazards NGA Strong Motion Database peak ground acceleration regression analysis risk assessment Seismic response Seismology Spectra spectral analysis statistical analysis velocity wave amplification |
| title | On the calculation of peak ground velocity for seismic performance assessment |
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