| 浮放储罐三维地震反应有限元分析 |
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| 引用本文： | 孙建刚,王振,王向楠,杨宇.浮放储罐三维地震反应有限元分析[J].地震工程与工程振动,2008,28(6). |
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| 作者姓名： | 孙建刚 王振 王向楠 杨宇 |
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| 作者单位： | 1. 大连民族学院,土木建筑工程学院,辽宁,大连,116600;大庆石油学院,土木建筑工程学院,黑龙江,大庆,163318
2. 大庆石油学院,土木建筑工程学院,黑龙江,大庆,163318 |
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| 基金项目： | 黑龙江省自然科学基金项目(E0235) |
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| 摘 要： | 针对立式储罐，考虑液固耦合效应、地基与储罐结构的相互作用，采用有限元分析方法，对储罐在三维地震荷载作用下动反应进行了数值分析。分析结果表明：储罐三维地震加速度反应较一维地震加速度反应增加、提离高度明显放大、储罐轴向应力增加、基底剪力与弯矩增大。
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| 关 键 词： | 储罐 三维地震 相互作用 有限元 液固耦合 |
Finite element analysis of 3D seismic responses of unanchored liquid storage tanks |
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| SUN Jiangang,WANG Zhen,WANG Xiangnan,YANG Yu.Finite element analysis of 3D seismic responses of unanchored liquid storage tanks[J].Earthquake Engineering and Engineering Vibration,2008,28(6). |
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| Authors: | SUN Jiangang WANG Zhen WANG Xiangnan YANG Yu |
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| Abstract: | Aiming at the unanchored storage tanks,considering the interaction between foundation and tank structure,and the coupling of liquid-tank wall,the numerical analysis of the three-dimensional seismic response is made with the help of the finite element method.The results show that the acceleration,lifting,axial stresses,the base shear force and the base bending moment of the tank under three-dimensional seismic rground motion is greater than that under one-dimensional horizontal seismic ground motion. |
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| Keywords: | tank three-dimensional seismic ground motion interaction finite-element coupling of liquid-tank wall |
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