| 带楼梯框架结构静力推覆分析及弹塑性性能研究 |
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| 引用本文： | 吴小宾,冯远,熊耀清,李从春.带楼梯框架结构静力推覆分析及弹塑性性能研究[J].建筑结构,2011(3). |
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| 作者姓名： | 吴小宾 冯远 熊耀清 李从春 |
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| 作者单位： | 中国建筑西南设计研究院有限公司; |
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| 基金项目： | 国家科技支撑计划课题(2009BAJ28B01); 四川省级新型墙体材料专项基金项目(No.200802); 中建股份科技研发课题(CSCEC-2009-Z-15) |
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| 摘 要： | 通过对带楼梯钢筋混凝土框架结构的静力推覆分析,并与不计入楼梯的框架模型进行分析对比,研究了楼梯对框架结构弹塑性性能的影响以及带楼梯框架结构的屈服机制。研究表明:不计入楼梯计算的常规设计方法不能达到预期的抗震设防目标,为此提出一种楼梯与主体脱离的设计措施。
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| 关 键 词： | 带楼梯框架结构 静力推覆分析 弹塑性性能 设计建议 |
Pushover analysis and research of elastic-plastic performance for frame structure with staircase |
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| Wu Xiaobin,Feng Yuan,Xiong Yaoqing,Li Congchun.Pushover analysis and research of elastic-plastic performance for frame structure with staircase[J].Building Structure,2011(3). |
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| Authors: | Wu Xiaobin Feng Yuan Xiong Yaoqing Li Congchun |
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| Affiliation: | Wu Xiaobin,Feng Yuan,Xiong Yaoqing,Li Congchun(China Southwest Architectural Design & Research Institute Co.,Ltd.,Chengdu 610081,China) |
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| Abstract: | Through pushover analysis for frame structure with staircase involved or not,the affection of staircase on elastic-plastic performance of frame structure,and the yielding mechanism of frame structure with staircase were studied.Analysis results indicate that the conventional analysis and design without staircase can not meet the expected seismic target.So the suggestion that the stair case is isolated from main structure was put forward for engineering design. |
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| Keywords: | frame structure with staircase pushover analysis elastic-plastic performance design suggestion |
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