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Construction Technology of Stayed Cable Net of Zijingang District Gymnasium Steel Roof in Zhejiang University
Author(s): LUO Bin, GUO Zhengxing, CHOU Ronggen
Pages: 73-
77
Year: 2010
Issue:
8
Journal: Construction Technology
Keyword: 钢屋盖; 斜拉索网; 预应力; 施工技术;
Abstract: 浙江大学紫金港校区体育馆钢屋盖由桅杆斜拉索网和网壳等构成,两者通过吊索连接,其中桅杆斜拉索网为预应力自平衡全张力结构,采用全封闭钢索.介绍了全封闭钢索的特性,综合考虑桅杆吊装、索网组装和张拉等因素,采用"桅杆直立安装后斜置、主动同步张拉背索后复拉校验落地稳定索、索网独立张拉后再与网壳连接"的施工方案,并进行了相应的拉索等效预张力找力分析、零状态找形分析、张拉环境温度影响分析及桅杆倾斜和背索张拉的过...
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