文档介绍：第43卷增刊 2013年10月建筑结构 Building Structure S2 义马体育馆双向斜交管桁架结构分析田立强,王昌兴,徐珂(北京清城华筑建筑设计研究院,北京100083) [摘要] 义马体育馆罩棚设计平面近似为相互咬合的两个平行四边形。为满足建筑外观及室内感官的要求,屋面罩棚结构形式采用支承于三角形格构柱上双向斜交管桁架结构。结构形式新颖美观,通过分析,结构强度及刚度可以满足规范的要求,结构稳定性较好。介绍该结构体系设计的难点及解决方案,通过两种有限元软件进行分析对比,其计算结果基本一致,主要参数的差值均小于5%。[关键词] 双向斜交管桁架;钢管混凝土柱;特征值屈曲分析;非线性屈曲分析中图分类号:TU391 文献标识码:A 文章编号:1002-848X(2013)$2-0457-05 Structure analysis on bidirectional biaspipe truss ofYima stadium TianLiqiang,Wang Changxing,Xu Ke (Beijing THCA Architectural Design&Consulting Institute,Beijing 100083,China) Abstract:The construction plane ofYima stadium canopy similar with two ocehsal meet the constructionrequirements ofexteriorandinterior∞ns船,the bidirectionalbiaspipe truss supported on thetrianglIl肛lattice column Wasapplied structuralform fashionable and analyzing,the structural strength and stiffnesscould meet thespecificationrequirements,and theconstruction hasscoa structural articledescribed thedifficultiesinthedesign ofstructuralsystems andsolutions,the pleted with two type finiteelement softwares,the陀sults are consistent,and themain parameters a弛less than5%difference. Keywords:bidirectional bias pipe truss;concrete—flied steel tubular column;buckling analysis;nonlinear bucking analysis 1 工程概况义马体育馆项目位于义马市中心区,东邻河滨路。罩棚平面近似为相互咬合的两个平行四边形,。,南北向长1