電視塔懸掛水箱減振器風(fēng)振控制理論與實(shí)測(cè)研究

1、同濟(jì)大學(xué)博士學(xué)位論文電視塔懸掛水箱減振器風(fēng)振控制理論與實(shí)測(cè)研究姓名：何敏娟申請(qǐng)學(xué)位級(jí)別：博士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：王肇民2000.12.1ABSTRACTTVtowerisonekindoflargescalehighrisestructureIt’SthehighestarchitectureofacityatmostofthetimeAsamulti—functionsigningarchitecture，itsfunctionh

2、asbeendevelopedanditCanbeusedforbroadcasting，communication，environmentmonitoringandsight—seeingToachievethesefunctionsTVtowermustsatisfywitlltherequirementofstrengthandsti伍lCSSTraditionalmethodistoincreasethesectionofstr

3、ucturemembertodiminishthestressofmernberandlimitthedeformationofstructureResearchesindicatethatitisnottheexclusivemethodandit’SanegativemeasurementInrecentyears，scientistsofmanycountrieshavedonealargenumberofresearchesan

4、dhavebroughtforwardmanymethodsofsetting“Sa1ctureControl”equipmentonthestructureButTVtowerisalligh—risingstructureandthespaceontowerisverylimited，SOhowtoadoptaneconomicandeffectivemethodofvibrationcontrolisapuzzlingproble

5、mThispaperstudythePendulousTankasTunedMassDamperwhichmeanstosuspendwatertankusedforreservinglivingandfireprotectionwaterintheturretWhenthetowerhasamovement，theinertiaofwaterandtankwillsupplyforceintheoppositedirectiontot

6、hetowerThusthevibrationoftowerwillbediminishedandthevibrationcontrolofthetowerwillbeachieyedThismethodofcontrolhassomeadvantages：(1)Tosubstitutewatertankforadditionalmass，thespaceintheturretwillbesavedandtheloadofthetowe

7、rcanbedecreased；(2)TheflexiblecablesuspendedsystemCanreducethepowerconsumptionduetothefrictionduringthemovementprocess；(3)Thesuspendpointofwatertankisahinge，SOthevibrationinrandomdirectionCanbecontrolled；(4)nlecontrolsys

8、temischeap，SOit’SeasytobeachievedThispaperadoptstheHeiLongjiangBroadcastingTVTower(thehigheststeeltowerinourcountry、astheengineeringbackgroundWeStudythetheoryanalysismethodoftowervibrationresponseundertheactionofPTTMDthe