原文传递
Performance Assessment of Steel Moment-Resisting Frame Structures Using Fragility Methodology
| 题名： | Performance Assessment of Steel Moment-Resisting Frame Structures Using Fragility Methodology |
| 其他题名： | Akkar,S.,Sucuo(g)lu,H.,and Yakut,A.(2005)."Displacement-based fragility functions for low-and mid-rise ordinary concrete buildings."Earthquake Spectra,21(4),901-927. |
| 正文语种： | 英文 |
| 作者： | Ayman Mosallam |
| 关键词： | Seismic performance; Damage potential; Steel moment-resisting frames; Numerical simulation; Fragility methodology; Structural safety and reliability |
| 摘要： | This paper presents a probabilistic study using the fragility function method for the performance assessment of two 1/6-scale, single-bay, three- and eight-story steel moment-resisting frame structures representing rigid and flexible framed structures, respectively. Considering the impact of the uncertainties in seismic loading and response of structures, the adopted fragility methodology is believed to provide a realistic and robust assessment of seismic performance and vulnerability of the structures. Fragility curves were developed by considering appropriate performance levels and using the response data from nonlinear time-history analyses of the structures in longitudinal and transverse directions with respective moment and shear connections. Results of the fragility analysis showed that inclusion of panel zone reinforcement in numerical simulation of the framed structures lowers the seismic vulnerability and probability of damage to the structures. The relatively lower seismic performances of the structures in the transverse direction with shear connections and lower lateral stiffness were demonstrated as well. Moreover, the eight-story structure was found to be more vulnerable to seismic loading and severe damages compared to the three-story structure. The adopted fragility method can serve as an effective tool for assessing the performance and safety levels of structures, and in decision making as well as financing for seismic protection. |
| 出版年： | 2018 |
| 论文唯一标识： | P-26Y2018V144N03005 |
| 英文栏目名称： | TECHNICAL PAPERS |
| doi： | 10.1061/(ASCE)ST.1943-541X.0001964 |
| 期刊名称： | Journal of Structural Engineering |
| 拼音刊名(出版物代码)： | P-26 |
| 卷： | 144 |
| 期： | 03 |
| 页码： | 27-35 |
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