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某体育场钢屋盖功能改造加固设计与施工模拟分析
Authors
何晶芳
吴国松
+4 more
张健滔
杨文君
赏莹莹
邢遵胜
Publication date
1 January 2024
Publisher
Editorial Department of Progress in Steel Building Structures, Tongji University
Abstract
以某奥体中心体育场钢结构屋盖为研究对象,对其加固及施工方案进行了分析。首先进行模型反建,并对该屋盖在功能改造后新增荷载的内力及变形进行了分析,明确了其需要加固的杆件范围。在此基础上,采用有限元软件对结构展开了精细化分析,确定了包含加强节点、杆件和结构的加固方案,有效地改善了结构的传力体系、提高了结构的承载能力并降低了结构在使用荷载下的应力和变形。针对不同部位分别采用了预应力锚索、增大截面和设置刚性圆管等方式加固钢屋盖,保证结构安全性且满足建筑要求。除此之外,还对该加固方案对应的施工过程进行了有限元模拟,为其施工提供参考。经省运会工程实践表明,本项目的加固方法简单有效
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Last time updated on 28/12/2024