高竖向承载力MRE隔振支座力学性能试验研究

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关键词：磁流变弹性体;MRE隔振支座；力学性能试验;竖向承载力；可变刚度 中图分类号：TU352.1 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202403010

Experimental study on the mechanical properties of a high vertical strength MRE isolation bearing

LYUYang'，ZHANGFanxing'，ZHANGYike²，HUANGXin³ （1.TianjinKeyLaboratoryofCivilStructureProtectionandReinforcement，TianjinChengjanUniversity，Tianjin30o384，Cina; 2.Department of Civil Engineering，Henan Traffic Technician College，Zhumadian 45oo03，China； 3.SchoolofTransportation ScienceandEnginering，Civil Aviation Universityof China，Tianjin 300300，China）

Abstract：Verticaladshaveaigniicantimpactonthmchaicalproprtisofmagnetoheologicalelastomrs（ME）barings，buthe hasbenliteeseachosiderigteifluenesoferticalloadsoEbaringByaddingvicatigodstoeareicallos and permanentmagnets toprovideaconstantmagneticfieldaMEisolatorwithastructureofalteatingstackingofMEsetsadseel plates WasdsedndmaufactudToatrasgertaleaingapacitydirectioalljustablesartifsshacal performancetestsoftheisolatorunderdiferentfreqencies，amplitudes，curentsadweightsreconducted.Theshearfoefecie stiffess，equivalentdamping，anddampingratiooftheisolatorwereanalyedTeresutsshowthatthemechanicalperformanceof the isolatorwiththverticalcoetigrosisstableandthelateralstifess，sheafoeequivalentdamping，nddampngratioarebidirectionallyadjustable.

Keywords：magnetoheologcalastomersE）;solationbearing;ehaicalpefomancetest;verticaltrengtharablesif

基础隔震是提高建筑、桥梁、精密仪器设备抗震性能的有效途径[1。（剩余11944字）