| 不同梯段板厚度楼梯对钢筋混凝土框架结构地震反应影响分析 |
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| 引用本文： | 代红军,祁皑.不同梯段板厚度楼梯对钢筋混凝土框架结构地震反应影响分析[J].福州大学学报(自然科学版),2011,39(1):101-109. |
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| 作者姓名： | 代红军 祁皑 |
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| 作者单位： | 福州大学土木工程学院; |
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| 摘 要： | 为研究楼梯对结构地震反应的影响,利用有限元软件ETABS建立了1个不包含楼梯的钢筋混凝土框架模型和2个包含不同梯段板厚度楼梯的钢筋混凝土框架模型(梯-框脱离模型),分别采用振型分解反应谱法和时程分析法对3个模型进行了地震反应对比计算分析.结果显示:考虑楼梯参与结构整体地震计算后,结构的振动模态、抗侧刚度分布、及梯问框架...
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| 关 键 词： | 钢筋混凝土 梯板厚度 框架结构 地震 抗震设计 |
Analysis on seismic-response of reinforced concrete frame structure with different-thickness staircase |
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| DAI Hong-jun,QI Ai.Analysis on seismic-response of reinforced concrete frame structure with different-thickness staircase[J].Journal of Fuzhou University(Natural Science Edition),2011,39(1):101-109. |
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| Authors: | DAI Hong-jun QI Ai |
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| Institution: | DAI Hong-jun,QI Ai(College of Civil Engineering,Fuzhou University,Fuzhou,Fujian 350108,China) |
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| Abstract: | Three computer models of reinfored concrete frame structure are made,one without staircase,two with different-thickness staircase mid-platform disconnecting to staircase-frame column.seismic-response of the models are calcaulated by adopting spectrum analysis and time history analysis method based on ETABS.The results show that including staircase into models will change the story-stiffness distribution,vibration mode,shear-ratio of staircase-frame column of frame structure significantly.The role of stairca... |
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| Keywords: | reinforced concrete staircase thickness frame structure seismic seismic design |
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