【摘要】 国家体育总局训练局比赛馆屋面承重结构采用大跨度空间钢管桁架拱结构,介绍桁架拱的制作、拼装、滑移和安装等施工工艺以及相应的施工过程分析。更多还原

【Abstract】 Large-span spatial structure of steel pipe truss-arch has been used in bearing roof structure of competition hall in Training Bureau of Chinese State General Administration.The construction technologies such as fabrication,assembly,sliding and installation of truss-arch and the analysis of corresponding construction process is introduced in the paper.更多还原