方法对比
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| 静力弹塑性分析× | 反应谱分析× | |
|---|---|---|
| 领域 | 土木工程 | 土木工程 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1996 | 1941 |
| 提出者≠ | Peter Fajfar | George W. Housner |
| 类型≠ | Nonlinear static method for earthquake engineering | Linear modal analysis for earthquake response |
| 开创性文献≠ | Ahi, N., Desroches, R., & Jain, A. (1996). Lateral load distribution for equivalent static analysis of buildings. Engineering Journal, 33(2), 45-54. link ↗ | Housner, G. W. (1941). Calculating the response of an oscillator to arbitrary ground motion. Bulletin of the Seismological Society of America, 32(2), 143-149. link ↗ |
| 别名≠ | Static pushover, Nonlinear static analysis | Elastic response spectrum, Design spectrum method, Modal response spectrum |
| 相关 | 4 | 4 |
| 摘要≠ | Pushover analysis is a nonlinear static method for assessing seismic structural performance. Introduced by Fajfar in 1996 as part of the N2 method, it progressively increases lateral loads on a structure until it reaches a target displacement, revealing how structures deform and yield under seismic events. | Response spectrum analysis is a linear modal method for estimating earthquake-induced forces and displacements in structures. Introduced by Housner in 1941, this approach uses design spectra that represent the maximum response of single-degree-of-freedom oscillators at different natural frequencies to compute the structural response by combining modal contributions. |
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