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Simplified Modal Pushover Analysis to Estimate First- and Higher-Mode Force Demands for Design of Strongback-Braced Frames
| 题名： | Simplified Modal Pushover Analysis to Estimate First- and Higher-Mode Force Demands for Design of Strongback-Braced Frames |
| 正文语种： | eng |
| 作者： | Simpson, Barbara G.;Torres, David Rivera |
| 作者单位： | Oregon State Univ Sch Civil & Construct Engn 340 Owen Hall Corvallis OR 97331 USA;Gregory P Luth & Amp Associates Inc 3350 Scott Blvd Bldg 48 Santa Clara CA 95054 USA |
| 关键词： | Steel systems;Braced frame;Strongback;Spine;Higher modes;Modal pushover analysis;Nonlinear dynamic analysis;Earthquake-resistant design;Seismic effects;Structural dynamics |
| 摘要： | Strongback-braced frames employ an essentially elastic truss, or strongback, that defines an elastic load path to redistribute seismic demands and mitigate the formation of story mechanisms. However, unlike the forces from traditional capacity design-whic |
| 出版年： | 2021 |
| 期刊名称： | Journal of structural engineering |
| 卷： | 147 |
| 期： | 12 |
| 页码： | 04021196.1-04021196.16 |
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