| 摩擦摆支座在单层球面网壳结构隔震控制中的参数分析 |
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| 引用本文： | 薛素铎,赵伟,李雄彦.摩擦摆支座在单层球面网壳结构隔震控制中的参数分析[J].北京工业大学学报,2009,35(7):933-938. |
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| 作者姓名： | 薛素铎 赵伟 李雄彦 |
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| 作者单位： | 北京工业大学城市与工程安全减灾省部共建教育部重点实验室,北京,100124;北京工业大学城市与工程安全减灾省部共建教育部重点实验室,北京,100124;北京城建设计研究总院,北京,100037 |
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| 基金项目： | 国家自然科学基金资助项目(50778006);;北京市属市管高等学校人才强教计划资助项目 |
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| 摘 要： | 为研究摩擦摆支座(FPS)的参数对网壳结构隔震性能的影响,将其应用于单层球面网壳,给出了摩擦摆支座隔震网壳的运动方程.对工程中常用的单层球面网壳的地震响应进行了时程分析,通过改变输入地震动的强度,较为全面地分析了摩擦摆支座的滑动面摩擦系数和球面滑动半径的变化对隔震结构的隔震层位移和节点加速度的影响,总结了隔震结构的地震响应随滑动面摩擦系数和球面滑动半径的变化规律,为摩擦摆支座在网壳结构应用中的参数选取提供了参考依据.
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| 关 键 词： | 摩擦摆支座(FPS) 滑动面摩擦系数 球面滑动半径 网壳 隔震 |
Parameter Analysis of Single-layer Spherical Lattice Shell With FPS |
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| XUE Su-duo,ZHAO Wei,LI Xiong-yan.Parameter Analysis of Single-layer Spherical Lattice Shell With FPS[J].Journal of Beijing Polytechnic University,2009,35(7):933-938. |
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| Authors: | XUE Su-duo ZHAO Wei LI Xiong-yan |
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| Affiliation: | 1.Key Lab of Urban Security and Disaster Engineering;MOE;College of Architecture and Civil Engineering;Beijing University of Technology;Beijing 100124;China;2.Beijing Urban Engineering Design & Research Institute Co.;Ltd.;Beijing 100037;China |
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| Abstract: | FPS is applied to a single-layer spherical lattice shell to investigate its seismic isolation performance.The governing equations for the structure with FPS are developed.It adopts time history to analyze single-layer spherical lattice shell which is used usually in engineering.By changing the intensity of earthquake motion firstly,the influence of friction coefficient and slide-way radius of FPS on displacement of the seismic isolation floor and nodal acceleration is analyzed comprehensively.The variation ... |
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| Keywords: | friction pendulum system(FPS) friction coefficient slide-way radius lattice shell seismic isolation |
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