重庆国际马戏城主表演馆结构设计
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（北京市建筑设计研究院有限公司，北京 100045）［摘要］重点介绍了重庆国际马戏城主表演馆的结构设计思路、结构体系选择、结构布置、工程的特点和难点、结构的抗震设计特点及所采用的结构分析手段等。对结构的重要抗侧力构件——钢筋混凝土弧形柱选定合适的抗震性能目标，采用多种软件对其进行分析和对比，使结构在满足预期抗震性能目标的同时具有良好的经济性是本工程结构设计成功的关键。［关键词］钢筋混凝土弧形柱; 空间框架结构; 超限结构; 斜屋面; 双向正交钢桁架中图分类号：TU318 文献标识码：A 文章编号：1002-848X(2014)20-0084-04Structural design of main performance pavilion of Chongqing International Circus CityWu Zhongqun, Shu Weinong, Jiang Junjie, Geng Wei, Zhang Shizhong(Beijing Institute of Architectural Design, Beijing 100045, China)Abstract: The structural design contents of main performance pavilion of Chongqing International Circus City were introduced, including structural design thinking, selection of structural system, structural layouts, engineering features and difficulties, the seismic design characteristics and structural analysis methods. Suitable seismic performance objectives were selected for important lateral-resistance components of reinforced concrete-arc columns. Multiple programs were used to analyze and compare to make the structure meet expected seismic performance objectives with good economy, which is the key to the success of the structural design of this engineering.Keywords: reinforced concrete arc column; spatial frame structure; out-of-code structure; oblique roof; two-way orthogonal steel truss作者简介：吴中群，学士，一级注册结构工程师，Email：wzq3161@sina.com。参考文献［1］GB 50011—2010建筑抗震设计规范［S］.北京：中国建筑工业出版社，2010.
