| 北京2008奥运会老山自行车赛馆网壳结构分析与设计 |
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| 引用本文： | 尹越,韩庆华,刘锡良,栗峰,程晓光.北京2008奥运会老山自行车赛馆网壳结构分析与设计[J].天津大学学报(自然科学与工程技术版),2008,41(5):522-528. |
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| 作者姓名： | 尹越 韩庆华 刘锡良 栗峰 程晓光 |
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| 作者单位： | [1]天津大学建筑工程学院,天津300072 [2]中国航天建筑设计研究院,北京100071 |
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| 摘 要： | 北京2008奥运会老山自行车赛馆屋盖采用支承于倾斜人字形钢柱柱顶的双层球面网壳结构．由于结构跨度大，安全性要求高，除对其进行静力荷载效应、温度作用等常规分析与设计外，采用振型分解反应谱法和时程分析法进行了网壳结构的多遇地震响应分析，通过计算振型参与质量确定振型振动的主导方向及反应谱分析中参与组合的合理振型数．考虑到网壳厚跨比及矢跨比均较小，设计中对结构的非线性稳定性进行了研究；同时，对节点刚度对结构性能的影响进行了补充分析．结果表明，老山自行车赛馆球面网壳结构安全可靠，具有良好的整体稳定性和抗震性能．
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| 关 键 词： | 双层球面网壳 温度作用 振型参与质量 非线性稳定分析 节点刚度 时程分析 |
Analysis and Design of Reticulated Dome of Laoshan Cycling Gymnasium for the Beijing 2008 Olympic Games |
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| YIN Yue,HAN Qing-hua,LIU Xi-liang,LI Feng,CHENG Xiao-guang.Analysis and Design of Reticulated Dome of Laoshan Cycling Gymnasium for the Beijing 2008 Olympic Games[J].Journal of Tianjin University(Science and Technology),2008,41(5):522-528. |
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| Authors: | YIN Yue HAN Qing-hua LIU Xi-liang LI Feng CHENG Xiao-guang |
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| Institution: | YIN Yue, HAN Qing-hua, LIU Xi-liang, LI Feng, CHENG Xiao-guang ( 1. School of Civil Engineering, Tianjin University, Tianjin 300072, China; 2. China Space Civil and Building Engineering Design and Research Institute, Beijing 100071, China) |
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| Abstract: | The roof structure of Laoshan cycling gymnasium for the Beijing 2008 Olympic Games was designed to be a double-layer reticulated dome supported by inclined V-shaped steel columns. Due to its large span and the special requirement for structural safety, the nonlinear stability of the dome was studied after regular design of static load and temperature load. Response spectrum analysis and time history analysis were conducted to estimate the behaviour of the structure under frequent earthquake. Modal effective mass was calculated to determine the number of modes re- quired in response spectrum analysis. The effect of joint stiffness was also analyzed and considered in the structural design. Results show that the roof structure of Laoshan cycling gymnasium is safe and reliable with good structural stability and seismic performance. |
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| Keywords: | double-layer reticulated dome temperature load modal effective mass nonlinear stability analysis joint stiffness time history analysis |
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