建筑监督检测与造价第15卷第6期6SupervisionTestandCostofConstruction2022年12月作者简介:陈燃(1982—),男,硕士研究生,高级工程师,主要从事建设工程检测鉴定工作。某多塔大底盘复杂连廊结构人激荷载振动测试研究陈燃(广东省建设工程质量安全检测总站有限公司,广东广州510500)摘要:针对复杂连廊结构在人激荷载作用下的振动舒适度问题,本文以某大底盘连体结构商业中心的3座钢结构连廊为研究对象,由于模态分析表明3座连廊的1阶竖向自振频率都处于正常人行荷载频率范围内,容易引发结构共振,造成舒适度问题,所以对结构施工完成后进行人行荷载激励下的动力测试,分析其人致振动特性,并评估其振动响应。结果表明,此3座连廊均能满足行人对于舒适度的要求。现场实测和分析的结果对此类人致振动舒适度评价应用具有参考价值。关键词:多塔结构;连体结构;人行荷载;舒适度;现场实测;连廊中图分类号:TU375文献标识码:A文章编号:1674-2133(2022)06-06-05StudyonVibrationTestofAMultiTowerLargeChassisComplexCorridorStructureSubjectedtoHumanInducedLoadVibrationCHENRan(GuangdongConstructionEngineeringQuality&SafetyTestingHeadStationCo.,Ltd.Guangzhou,Guangdong510500,China)Abstract:Aimingatthevibrationcomfortofcomplexcorridorstructureundertheactionofhumanexcitation,thispapertakesthreesteelstructurecorridorsinthecommercialcenterofalargechassisconjoinedstructureastheresearchobject,asthemodalanalysisshowsthatthefirstverticalnaturalfrequenciesofthethreecorridorsareallinthenormalrangeofpedestrianloadfrequency,whichiseasytocausestructuralresonanceandcausecomfortproblems,sothedynamictestunderpedestrianloadexcitationiscarriedoutafterthecompletionofthestructureconstructiontoanalyzethecharacteristicsofhumaninducedvibrationandevaluateitsvibrationresponse.Theresultsshowthatthethreecorridorscanmeettherequirementsofpedestriancomfortwithoutvibrationcontrol.Theresultsoffieldmeasurementandanalysishavereferencevaluefortheevaluationandapplicationofhumaninducedvibrationcomfort.Keywords:Multi-towerstructure;Conjoinedstructure;Pedestrianload;Comfortdegree;Fieldmeasurement;Corridor1前言近年来,随着高层建筑形式的迅猛发展以及对单体建筑使用功能的提高,...