河南科技HenanScienceandTechnology交通与土木工程总798期第4期2023年2月收稿日期:2022-11-16作者简介:郑洋洋(1997—),男,硕士生,研究方向:建筑工程抗震分析。高烈度区框架结构混合减震设计方案比较分析郑洋洋(华北水利水电大学,河南郑州450045)摘要:【目的】我国高烈度区目前大多数单独使用BRB或黏滞阻尼器进行消能减震设计,而混合减震技术则可以实现两种阻尼器优势互补,大幅提高结构的抗震性能。【方法】本研究根据消能器不同的特性,在一栋13层框架结构中设计了四种混合减震方案。【结果】通过ETABS将这四种减震方案分别进行多遇、罕遇地震下的动力时程分析,并与无控结构进行对比,发现四种混合减震方案均可以有效提高结构的抗震性能。【结论】其中将黏滞阻尼器设置在底部楼层,BRB布置在层间位移角较大楼层的布置方案消能减震效果最佳,达到了提高抗震性能的目的。关键词:抗震;高烈度;BRB;黏滞阻尼器;混合减震中图分类号:TU352文献标志码:A文章编号:1003-5168(2023)04-0055-04DOI:10.19968/j.cnki.hnkj.1003-5168.2023.04.011ComparativeAnalysisofHybridSeismicDesignSchemesforFrameStructuresinHighSeismicIntensityRegionsZHENGYangyang(NorthChinaUniversityofWaterResourcesandElectricPower,Zhengzhou450045,China)Abstract:[Purposes]Atpresent,BRBorviscousdampersaremostlyusedaloneforenergydissipationandvibrationreductiondesigninhighseismicintensityareasinChina,whilehybridvibrationreductiontechnologycanrealizethecomplementaryadvantagesofthetwodampersandgreatlyimprovetheseismicperformanceofstructures.[Methods]Inthisstudy,accordingtothedifferentcharacteristicsofenergydissipators,fourhybriddampingschemesaredesignedina13storyframestructure.[Findings]ThroughETABS,thedynamictimehistoryanalysisofthesefourkindsofdampingschemesunderfrequentandrareearthquakesiscarriedoutrespectively,andcomparedwiththeuncontrolledstructure,itisfoundthatthefourkindsofhybriddampingschemescaneffectivelyimprovetheseismicperformanceofthestructure.[Conclusions]Amongthem,thelayoutschemewithviscousdampersatthebottomfloorandBRBatthefloorwithlargeinterstorydisplacementanglehasthebestenergydissipationandvibrationreductioneffect,achievingthepurposeofimprovingthe...