某教学楼基础隔震设计与抗震性能分析研究  

Study on seismic isolation design and seismic performance analysis of a teaching complex building

作　　者：陈进 CHEN Jin

机构地区：[1]中土集团福州勘察设计研究院有限公司,福建福州350000

出　　处：《福建建设科技》2022年第2期37-41,共5页Fujian Construction Science & Technology

基　　金：福建省建设科技研究开发项目(2022-K-104)。

摘　　要：为分析采用基础隔震技术的某框架结构教学楼的抗震性能,综合考虑结构的高宽比和结构抵抗超烈度地震的能力等方面对结构的影响,采用有限元软件ETABS对基础隔震教学楼建模并进行动力时程分析。结果表明:在7度(0.15g)中震和大震下,隔震结构的基本周期较非隔震结构均显著延长,满足隔震设计要求;在7度(0.15g)中震下,隔震结构的层间剪力和层间位移角较非隔震结构均大幅降低,减震效果明显;在8度(0.20g)大震作用下,结构抗震性态水平处于“基本运行”阶段。设计与分析表明,隔震技术有效提高了教学楼的抗震性能。In order to analyze the seismic performance of a frame structure teaching building with base isolation technology,with the influence of the height width ratio of the structure and the ability of the structure to resist super intensity earthquake on the structure taken into account,the finite element software ETABS is used to model the base isolation teaching building and conduct dynamic time history analysis.The results show that the basic period of isolated structure is significantly longer than that of non isolated structure under 7 degree(0.15g)medium earthquake and large earthquake,which meets the requirements of isolation design;Under 7 degree(0.15g)moderate earthquake,the story shear force and story displacement angle of isolated structure are significantly lower than those of non isolated structure,and the damping effect is obvious;Under the action of 8 degree(0.20g)earthquake,the seismic performance level of the structure is in the"basic operation"stage.The design and analysis show that the seismic isolation technology effectively improves the seismic performance of the teaching building.

关 键 词：基础隔震 框架结构 时程分析 抗震性能 

分 类 号：TU352.12[建筑科学—结构工程]