钢筋混凝土框架顶部钢结构加层的抗震性能研究  

Research on Seismic Performance of Steel Structure Adding Storey on Top of Reinforced Concrete Frame

作　　者：李辉进 廖光明[1] 戴靠山 柏洁 冯凌霄 LI Huijin;LIAO Guangming;DAI Kaoshan;BAI Jie;FENG Lingxiao(College of Architecture and Environment,Sichuan University,Chengdu,Sichuan 610065,China;Engineering Design and Research Institute of Sichuan University,Chengdu,Sichuan 610065,China)

机构地区：[1]四川大学建筑与环境学院,四川成都610065 [2]四川大学工程设计研究院,四川成都610065

出　　处：《施工技术》2019年第6期93-97,共5页Construction Technology

基　　金：国家自然科学基金面上项目:在役风电塔架极端荷载下结构损毁机理及灾变控制方法研究(51878426)

摘　　要：以四川大学江安校区建筑与环境学院大楼加层改造工程为背景,采用数值模拟分析,原上人屋面钢筋混凝土框架在顶部进行钢结构加层后,对钢筋混凝土框架与加层钢结构不同连接形式及加层柱截面形式变化等进行反应谱分析和时程分析,计算结果表明,加层后原结构层间位移及底部剪力均有所降低,加建钢结构起到了阻尼器作用。Taking the actual engineering as the background, this paper uses the method of numerical simulation to analyze the different connection forms of the reinforced concrete frame and the additional constructed steel frame, type of the column section of the additional steel frame and so on, after the constructed steel frame is added at the top of the original roofing reinforced concrete frame. The results show that both the displacement of the original structure and the shear force of the original structure are reduced after adding storey, and the additional constructed steel frame is applied as a resistor.

关 键 词：钢筋混凝土 钢结构 加层 时程 分析 框架 反应谱 抗震性能 

分 类 号：TU391[建筑科学—结构工程]