| 大型钢支撑框排架结构火电厂的弹塑性分析 |
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| 引用本文： | 戴靠山 李伯维 王健泽 王春利 尹业先 李家宏. 大型钢支撑框排架结构火电厂的弹塑性分析[J]. 土木工程学报, 2016, 49(Z2): 114-119 |
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| 作者姓名： | 戴靠山 李伯维 王健泽 王春利 尹业先 李家宏 |
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| 作者单位： | 1. 同济大学土木工程防灾国家重点实验室, 上海 2000922. 青岛鸿瑞电力工程咨询有限公司, 山东青岛 2660613. 山东电力建设第三工程公司, 山东青岛 266061 |
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| 摘 要： | 对既有火电厂房弹塑性分析的方法与不足进行了讨论。基于某钢支撑框排架火电厂房结构，应用Perform3D进行弹塑性时程分析。通过分析结构在中震和大震作用下的弹塑性动力响应，进一步了解了复杂火电厂房的抗震性能，并且验证了支撑框排架火电厂房建模考虑支撑屈曲的重要性，得出了若干有益结论。
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| 关 键 词： | 大型火电厂房 钢支撑框排架 屈曲 弹塑性 纤维截面 |
Elasto-plastic analysis of a large braced frame steel power plant structure |
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| Dai Kaoshan Li Bowei Wang Jianze Wang Chunli Yin Yexian Li Jiahong. Elasto-plastic analysis of a large braced frame steel power plant structure[J]. China Civil Engineering Journal, 2016, 49(Z2): 114-119 |
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| Authors: | Dai Kaoshan Li Bowei Wang Jianze Wang Chunli Yin Yexian Li Jiahong |
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| Affiliation: | 1. State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China2. Hongrui Electric Power Engineering Consulting Corporation, Qingdao 266061, China3. SEPCOIII Electric Power Construction Corporation, Qingdao 266061, China |
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| Abstract: | Existing nonlinear analyses methods of power plant structures were reviewed and some problems were identified. By using the finite element software Perform 3D, detailed nonlinear time-history analyses were performed on a steel braced frame power plant structure. Elasto-plastic dynamic responses of the structure under seismic loadings with two different seismic intensities, i.e., design earthquakes and major earthquakes were obtained. Seismic performance of this structure was further investigated and the influence of brace buckling in modeling this braced steel frame power plant structure was discussed based on analysis results. |
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| Keywords: | power plant structure steel braced frame buckling elasto-plastic fiber cross-section |
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