钢-混凝土混合结构阻尼分析方法
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（天津市建筑设计院，天津300074）[摘要]通过总结相关研究成果和相关设计规范要求，结合常用结构设计软件的阻尼比计算功能，介绍了天津网球中心比赛场项目结构应变能阻尼比的计算应用和等效综合阻尼比的计算方法；并对不同阻尼比下的计算结果差异进行比对，阐明阻尼比对结构分析结果的影响。[关键词]钢结构屋盖; 经典阻尼; 非经典阻尼; 应变能比例法; 等效综合阻尼比中图分类号：TU375 文献标识码：A 文章编号：1002-848X(2013)S2-0467-05作者简介：俞欣，本科，工学学士，高级工程师，一级注册结构工程师，jeffyu@vip.sina.com。Damping analysis method on steel-concrete hybrid structureYu Xin, Yang Guang(Tianjin Architecture Design Institute, Tianjin 300074, China)Abstract: The research results and current codes which calculate the damping ratio on non-classic damping system were summarized, which using damping ratio calculation function in popular structural design software, it introduced the calculating method of structural strain energy and the equivalent damping ratio by the example of Tianjin Tennis Center; And then with comparing the calculated results on different damping ratios, it clarified the impact on structural analysis.Keywords: steel roof; classical damping; non- classical damping; modal strain energy method; comprehensive equivalent damping ratio
