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Evaluation of FIV3 as an Intensity Measure for Collapse Estimation of Moment-Resisting Frame Buildings
| 题名： | Evaluation of FIV3 as an Intensity Measure for Collapse Estimation of Moment-Resisting Frame Buildings |
| 正文语种： | 英文 |
| 作者： | Hector Davalos; Eduardo Miranda |
| 作者单位： | Universidad Panamericana;Stanford Univ. |
| 关键词： | evaluation；resistin；building；moment；measur；sting；velocity；frame；tens；lapse |
| 摘要： | Seismic collapse estimations strongly depend on selecting an intensity measure that minimizes the dispersion in collapse capacities and any possible bias. This study evaluates the recently proposed Filtered Incremental Velocity (FIV3) intensity measure for estimating collapse intensities of moment-resisting-frame buildings and compares its performance with two traditional intensity measures, namely spectral acceleration at the first-mode period of the structure and spectral acceleration combined with an explicit consideration of the spectral shape proxy ε, and with two advanced intensity measures, namely Saavg and IMcomb. Comparisons are made using collapse results from six special moment frame buildings having 1 to 20 stories. It is shown that for buildings with periods of vibration shorter than 1 s, FIV3 provides the best overall results based on efficiency and sufficiency with respect to magnitude, distance, spectral shape, duration, and scale factor． For buildings with periods longer than 1 s, FIV3 is comparable to Saavg and lMcomb, and clearly outperforms Sa and Sa + £. Based on these results, a generalizat |
| 出版日期： | 2020.10 |
| 出版年： | 2020 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | Vol.146 |
| 期： | No.10 |
| 页码： | 04020204 |
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