T型平面不规则结构的地震反应分析  

Seismic Response Analysis of an T-type Structure of Planar Irregularity

作　　者：杨子旭 雷庆关 张经纬 

机构地区：[1]安徽建筑大学土木工程学院,安徽合肥230601

出　　处：《兰州工业学院学报》2017年第2期23-27,共5页Journal of Lanzhou Institute of Technology

基　　金：安徽省高等学校自然科学研究重大项目(KJ2014ZD07)

摘　　要：为了分析在地震作用下平面不规则结构的地震反应,确保结构的安全,采用SAP2000建立了一栋T型平面综合办公大楼的模型,并进行模态分析,得出该模型固有的一些动力特性;然后对其进行多遇地震情况下的反应谱分析和时程分析,得出该模型在地震影响下位移的最大值和层间位移角等,总结出该模型抵抗地震作用的能力.结果表明:该模型的层间位移角太大,数值接近于规范要求,应采取一些措施来增加相应层的侧向刚度,以确保结构更安全.In order to analyze the seismic response ol irregular structure to ensure the the security, SAP2000 is applied to establish the model of a T planar comprehensive office building. Modal analysis obtained some dynamic characteristics inherent in the model. Through the analysis ol earthquake response spectrum and time history,the maximum displacement and angular displacement between layers were summed and the seismic capacity drawn. The results show that the interlayer displacement angle of the model is too large,and the numerical value is close to the standard requirement. So some measures are taken to increase the lateral stiffness of the corresponding lay-er to ensure the safety of the structure.

关 键 词：模态分析 反应谱分析 时程分析 动力性能 

分 类 号：TU391[建筑科学—结构工程]