超高層建筑結構的抗震模型試驗與計算分析

1、大連理工大學碩士學位論文超高層建筑結構的抗震模型試驗與計算分析姓名：林蓓申請學位級別：碩士專業(yè)：防災減災及防護工程指導教師：孔憲京19991201DynamicModelExperimentandSeismicAnalysisofaSupertallBuildingAbstractNowadays，tallbuildingsaredevelopingrapidlyChinaisaseismicactivecountryandthepre

2、senttimeisinthehi曲tideperiodofearthquakeoccurrenceThestudyofearthquakeresistantbehaviorofhigh—risebuildingshasgreatsignificanceIncorporatingwiththedynamicmodelexperimentandseismicanalysisofaframetubeshapedsupertallbuildi

3、ngconstructedfromconcretefilledstealtubular(CFT)columnsystem，thispapergivesadeepinvestigationofthedynamicsimilarityruleandtheearthquakeresistantbehaviorofthesuchstructuresTlliSpaperenrichesanddevelopsthethreebasicsimilar

4、ityrulesfordynamicmodeltestofstructures，discussestheconditionoftheirapplication，andproposestouseattachedweighttosatisfythesimilarityrequirementofdynamicfailureexperimentItsimplifiesthemodeldesigntosomeextentBasedontheres

5、ultsoffinitedementanalysisoftheslrucRue，themechanicalbehaviorofflametubeshapedstructuresubjectedtoearthquakelodeiSstudiedTheproportionofmomentandsharedistributedbetweentheoutframeandtheinnertubeandthesharelageffectisdisc

6、ussedForthesupertallbuildinganalyzed，itisconcludedthatdistributedproportionofshareforcevariesobviouslywiththeheightoffloorlevelAtthelowerpartofthebuilding，theinnertubeundertakesoverwhelmingmajoritypartoftheseismicshearfo

7、rce，accountsfor90％neproportiondecreasesgraduallywiththeheightofthefloorlevelanditreaches50％atthetopofthebuilding111eproportionofseismicmomentundertakenbytheouterframeandthatoftheinnertubeareveryclosebetweeneachotherAtlow