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时间:2018-08-01
《高层建筑结构在风荷载作用下的振动分析[](vibration analysis of high-rise building under wind load [])》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、高层建筑结构在风荷载作用下的振动分析[1](Vibrationanalysisofhigh-risebuildingunderwindload[1])Vibration.Fluctuatingairpressureisadynamicloadcausedbyturbulentmotionoftheatmosphere.ArchitectureTheactionoffluctuatingwindpressurearoundtheobjectisshowninfigure3[4].Vibration.
2、Fluctuatingairpressureisadynamicloadcausedbyturbulentmotionoftheatmosphere.ArchitectureTheactionoffluctuatingwindpressurearoundtheobjectisshowninfigure3[4].No.Volume3424ShanxiArchitectureVol.34No.24862008AugustSHANXIARCHITECTUREAug.2008Structure,earth
3、quakeresistanceArticlenumber:100926825(2008)2420086202VibrationanalysisofhighrisebuildingunderwindloadQinLi,ZhangXueli,XuDeyongAbstractInthispaper,thedesignmethodsofwindload,theformofwindloadandthestructuralvibrationcausedbywindloadareintroducedIncomb
4、inationwithengineeringexamplesProceedAdetailedcalculationofstructuralvibrationresponseispresentedForreferencetothevibrationanalysisunderthesametypeofwindload.KeywordHighrisebuildingstructureFluctuatingwindpressureStructuralvibrationCLCnumber:TU312.10I
5、ntroductionHorizontalloadsonhigh-risebuildingsincludewindloadsandhorizontalseismicaction.TheactionofthewindisirregularThewindpressurekeepschangingwiththechangeofwindspeedanddirectionofwindChange.Windloadsaredynamicloadsthatfluctuatewithtime.Fortallbui
6、ldings,dynamicloadingIsthemaincauseofstructuraldamage,therefore,inhigh-risebuildingstructuredesignAndsafetyassessment,itisnecessarytocarryoutdynamicresponseanalysisofstructures.JaneAtall,softerupperdeckArchitectureThedynamiceffectmustbeconsidered[1]Fo
7、rthesakeofInsomestructuraldesigncodesorstructuraldynamicresponseanalysis,windresistanceanalysisisadoptedSomepseudostaticcalculationmethodsareused[2],thewindpressureisintheformofequivalentstaticforceButstillmustDynamicanalysisofstructures.Thewind-induc
8、eddynamicresponsesofhigh-riseandsuperhigh-risebuildingsaremainlyasfollows3aspectsConsiderations:1)theinertialforcegeneratedbywindvibrationcausesadditionalstressinthestructure;2)thevibrationaccelerationofthebuildingstructurecausesthepeoplewholi
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