建筑结构

2008, No.290(02) 39-42

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椭圆平面弦支穹顶静力性能研究
Study on Static Capability of Ellipse Plane Suspen-dome

王泽强;秦杰;李国立;张然;武建勋;
Wang Zeqiang~1,Qin Jie~1,Li Guoli~1,Zhang Ran~1,Wu Jianxun~2(1 Beijing Building Construction Research Institute,Beijing 100039,China;2 China University of Mining and Technology,Beijing 100083,China)

摘要(Abstract):

对上部单层网壳为联方型的椭圆平面弦支穹顶网壳的静力性能进行了计算分析。研究了径向索和环索截面、预应力、布索方式、撑杆长度、矢跨比和截面离心率对结构静力性能的影响,将部分计算结果与试验进行了分析。研究表明,在满足一定条件时,采用较长的撑杆、增大环索面积、提高预应力都能减小结构的竖向位移,改善结构的静力性能。
The static performance of ellipse plane suspend-dome is analyzed.The effects of section area of radial and ring cables,pretension,distribution of cables,length of brace rod,ratio of height to span and eccentricity of section on the static capability of structure are calculated.Some calculation results are compared with the experimental ones.The results show that under some circumstance,adopting the longer brace rod,adding area of ring cable and improving the pretension force can decrease the vertical deformation and improve the static performance of structure.

关键词(KeyWords): 椭圆平面弦支穹顶;静力性能;参数分析
ellipse plane suspend-dome;static capability;parameters analysis

Abstract:

Keywords:

基金项目(Foundation): 北京市科技新星计划资助项目(2003B16)

作者(Author): 王泽强;秦杰;李国立;张然;武建勋;
Wang Zeqiang~1,Qin Jie~1,Li Guoli~1,Zhang Ran~1,Wu Jianxun~2(1 Beijing Building Construction Research Institute,Beijing 100039,China;2 China University of Mining and Technology,Beijing 100083,China)

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DOI: 10.19701/j.jzjg.2008.02.011

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