简介:Severevibrationofundergroundstructuresmaybeinducedunderblastloads.Accordingtothecharacteristicsoftheexplosion-inducedgroundshockwave,anew-typedamper,inversecontrolmagneto-rheological(MR)damperwasdesignedtocontrolthevibration.Thehigh-frequencyperformancetestoftheMRdamperwascarriedoutonthesmallshakingtable.ItisshownthattheperformancecanbemodeledbyuseofthemodifiedBouc-Wenmodel,andtheparametersofthemodelkeepstableintheranqeof15-50Hz.