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大型火电厂钢结构主厂房弹塑性地震反应分析
Elastic earthquake response analysis of steel frame-bent structures of large thermal power plant main buildings
【摘要】 为了研究大型火电厂钢框排架主厂房的变形能力、薄弱部位、受力机理及其破坏机制,采用弹塑性时程分析方法对其抗震性能进行了研究。计算结果表明:主厂房横向框排架和纵向框架-支撑结构存在较多的薄弱部位,计算分析应采用考虑扭转效应的空间模型。
【Abstract】 The dynamic elastic-plastic analysis method is used to study the deformation,weak parts,loading capacity and failure mechanisms of steel frame-bent structures of large thermal power plant main buildings.The results show that there are much weak parts in the horizontal frame-bent and longitudinal frame-supporting structures,which must be strengthened when designed.The space model should be used to consider the effect of torsion in structural calculation and analysis.
【关键词】 框排架结构;
大型火电厂;
弹塑性地震反应;
【Key words】 frame-bent structure; large thermal power plant; elastic-plastic seismic response;
【Key words】 frame-bent structure; large thermal power plant; elastic-plastic seismic response;
【基金】 国家自然科学基金(50978217,51168002);中国博士后科学基金(20080440814)
- 【文献出处】 四川建筑科学研究 ,Sichuan Building Science , 编辑部邮箱 ,2013年04期
- 【分类号】TU375.4
- 【下载频次】75