水泥廠窯尾塔架結(jié)構(gòu)的動(dòng)力特性以及地震響應(yīng)分析.pdf

1、合肥工業(yè)大學(xué)碩士學(xué)位論文水泥廠窯尾塔架結(jié)構(gòu)的動(dòng)力特性以及地震響應(yīng)分析姓名：張樹林申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：葉獻(xiàn)國(guó)20071101ResearchontheDynamicCharacteristicsandSeismicResponseofKilnTailTowerStructureinCementPlantABSTRACTKilntailstructureisthecoreincementplantDisposaloft

2、hestructureiscomplexforitsbigheight，smallplanarsizeandlimitationsincraflworkandequipmentThereisnocriterionorspecificationforthiskindofstructureatthepresenttimeEspeciallyabouttheseismiccalculationofstructuretherelacksofth

3、eoreticalanalysisandguidance，largelydependentonengineeringexperienceThishasnegativelyaffectedtherationalityandsecurityindesignTakingapracticalexample，thefiniteelement3Dmodelofa6000t／dkilntailstructureisestablishedbyPatra

4、ninthispaperBysimplifyingthecalculationmodel，theauthorchosetheproperessentialloadingworkingconditionsaccordingtotheactualloadsituationandgroupedthemintothreereasonablecalculatingmodelThefreevibrationcharacteristicofthest

5、ructureisobtainedbyperformingvibrationmodeanalysiswithNastranThedistributionc五aracteristicofthisstructuralstiffnessandmasshasbeenanalyzedAccordingtotheresultsofthevibrationmodeanalysis，twoofthreemodelsconsideringsteelpla

6、teoffloorornotarechosentocarryoutthetime—historyanalysis，andanalyzetheseismicresponseunderfrequentlyoccurredandinfrequentearthquakeTheresultsincludingthemaximalroofhorizontaldisplacement，roofacceleration，baseshearareobta

7、inedundertwonaturalearthquakewavesandanartificialwaveBycomparingthesizeoftheseismicactionandanalyzing，indicateifsteelplateoffloorcanstrengthenstiffnessofthestructureTheresultstillshowsthatthestructurewillhavenolargerlate

8、ralmovementsCalculationandanalysisshowthatbracedsteelframesystemcanwellsuitkilntailstructureBecausebracedsteelframehavestronglateralstiffnessandsmalllateralmovementsunderearthquakeButbecauseoflargeholeonfloor，steelplateo