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| Phân tích Phổ Phản ứng× | Phân tích đẩy (Pushover Analysis)× | |
|---|---|---|
| Lĩnh vực | Kỹ thuật xây dựng | Kỹ thuật xây dựng |
| Họ | Process / pipeline | Process / pipeline |
| Năm ra đời≠ | 1941 | 1996 |
| Người khởi xướng≠ | George W. Housner | Peter Fajfar |
| Loại≠ | Linear modal analysis for earthquake response | Nonlinear static method for earthquake engineering |
| Công trình gốc≠ | 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 ↗ | Ahi, N., Desroches, R., & Jain, A. (1996). Lateral load distribution for equivalent static analysis of buildings. Engineering Journal, 33(2), 45-54. link ↗ |
| Tên gọi khác≠ | Elastic response spectrum, Design spectrum method, Modal response spectrum | Static pushover, Nonlinear static analysis |
| Liên quan | 4 | 4 |
| Tóm tắt≠ | 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. | 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. |
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