建筑结构

2020, v.50;No.528(12) 22-27

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石家庄国际展览中心索结构找形分析及变形控制
Form finding and deformation control of bidirectional cable structure in Shijiazhuang International Exhibition Center

陈宇军;刘彦生;
CHEN Yujun;LIU Yansheng;Architectural Design & Research Institute of Tsinghua University Co., Ltd.;

摘要(Abstract):

石家庄国际展览中心采用了大跨度双向悬索结构,其中主悬索采用自锚式构造平衡端部水平力。该双向悬索结构体系在国内应用尚属首次。介绍了如何结合不同的找形分析技术实现与建筑造型的契合及结构的过程控制。通过研究本项目索结构的构造和受力特点,有针对性地提出了一种高效找形算法和一套融合找形、建模及分析过程的变形控制策略,并取得了很好的成效。
A bidirectional large-span cable system was used in Shijiazhuang International Exhibition Center, in which a self-anchored mechanism was used to balance the horizontal forces at the end of the main cables. It is the first time that the bidirectional cable structural system was adopted in projects in China. How to use comprehensive form-finding methods to realize architectural shape of the building and control the deformation of the structure was introduced. By studying the structure and mechanical characteristics of the cable structure of this project, an efficient form finding algorithm was proposed as well as a set of deformation control strategies that integrated the process of form finding, modeling and analysis, and achieved good results.

关键词(KeyWords): 石家庄国际展览中心;双向悬索;找形;变形控制;仿真分析;大跨结构
Shijiazhuang International Exhibition Center;bidirectional cable;form finding;deformation control;simulation analysis;large-span structure

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作者(Author): 陈宇军;刘彦生;
CHEN Yujun;LIU Yansheng;Architectural Design & Research Institute of Tsinghua University Co., Ltd.;

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