| 悬臂张弦立体桁架结构的地震响应及参数分析 |
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| 引用本文： | 李慧,薛晓峰,杜永峰,李晓飞.悬臂张弦立体桁架结构的地震响应及参数分析[J].甘肃科学学报,2008,20(4). |
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| 作者姓名： | 李慧 薛晓峰 杜永峰 李晓飞 |
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| 作者单位： | 1. 兰州理工大学,防震减灾研究所,甘肃,兰州,730050
2. 兰州理工大学,空间结构研究所,甘肃,兰州,730050 |
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| 摘 要： | 运用张弦梁原理构造了一种新型的悬臂张弦立体桁架结构,以该结构为研究对象进行时程分析,并针对不同的悬索预应力值、撑杆数、撑杆高度等参数,进行详细的地震响应分析,得出了各参数在地震作用下对悬臂张弦立体桁架结构动力响应的影响.结果表明,该结构受力合理、构造简单,可以有效地减小悬臂结构端部竖向位移和根部弯矩,从而为此类结构的设计和应用奠定了一定的基础.
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| 关 键 词： | 悬臂结构 张弦梁 立体桁架 地震响应 |
Analysis on Seismic Response and Parameters of Cantilever Spatial Truss String Structure |
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| LI Hui,XUE Xiao-feng,DU Yong-feng,LI Xiao-fei.Analysis on Seismic Response and Parameters of Cantilever Spatial Truss String Structure[J].Journal of Gansu Sciences,2008,20(4). |
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| Authors: | LI Hui XUE Xiao-feng DU Yong-feng LI Xiao-fei |
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| Institution: | 1.Institute of Earthquake Protection and Disaster Mitigation;Lanzhou University of Science and Technology;Lanzhou 730050;China;2.Institute of Spatial Structure;China |
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| Abstract: | Making use of the principle of Beam String Structure,we made a new cantilever spatial truss string structure(CSTSS).Taking it as a study object,we adopted time history analysis to analyze seismic responses.Through such parameters,as prestress of string,the number and the height of brace bars,we analyzed the influence of parameters on seismic responses,and obtained some important results.The results proved that this cantilever roof structure had a good structure form because of its reasonable load transfer a... |
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| Keywords: | cantilever structure beam string structure spatial truss seismic response |
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