設(shè)置多道加強層的高層框-筒結(jié)構(gòu)側(cè)移分析方法.pdf

1、華中科技大學(xué)碩士學(xué)位論文設(shè)置多道加強層的高層框筒結(jié)構(gòu)側(cè)移分析方法姓名：周春圣申請學(xué)位級別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：張仲先20061107????????????AbstractNowadaysthebuildingheightsbecomehigherhigherbecauseofthedevelopmentsofcityhighnewtechnology.Sometimestheoftenusedstructuralsystemd

2、efinedin”Technicalspecificationfconcretestructuresoftallbuilding”cannotsatisfytheneedsofmultifunctionarchitecture.Tallbuildingoftenadoptstheframecewallstructuresystembutitsrigiditymaybenotsoenougheconomictoagainsttheside

3、swayloadsiftheheightisalittlehigher.Inthissituationthestrengthenedstycanconsideredtolocateonit.itsgreatrigiditymakesthecolumnatonesidetensionedtheothercompressedwhichfmsacoupleequilibratespartoftheoverturningmomentcaused

4、byexternalloadsthusdecreasesthemomentcarriedbythecewallthecrespondingsideswaygreatly.Thisthesismakesgreatefftsinstudythesideswayacteristicsoverallrigiditystructuralparameterseffectsmatchrelationsoptimizationofstructuralm

5、embersaftersettingstrengthenedstyinframecewallstructure.Firstlythethesisintroducedtheactionmechanismofstrengthenedstythepreviousanalyticalmodelsbasicassumptionsadoptedanalysismethods.Thenindertocovertheshtageofthefmalthe

6、eticalmodelamereasonableaccuratemodelwaspresented.Ittakestheeffectsofflobeamsstrengthenedstiestheshearingactionofmainmembersintoaccounts.Basedonresearchinginthestructureanalysismethodsthepresentedmodelthestaticdynamicana

7、lysisapproachesaresuggested.Bysimplifyingtheflobeamsintocontinuousmediumalongtheheightminimumpotentialenergyprinciplethegoverningequilibriumequationsoftopstrengthenedstructureunderlateraldistributedloadswasderivedaswella

8、stopoverturningmomenttheconcentratedaction.Thentheanalyticexpressionofsideswaycurveoftopstrengthenedframetubestructurewasdeducedbypowerfulfunctionalvariationapproach.Atlastthesideswayofstructuresettingsomeoutriggerscanbe

9、gotbythesuggestedstaticanalysisapproach.Asimplynumericalanalysisshowedthattheinfluenceofflobeamsonthesideswaycannotbeigned.Sotheinterestingcontributionofgeneralflobeamsoutriggersexternalframecolumnstotheentitywasstudyqua

10、litativelyquantitatively.Inanotherhtheimptantopticalrelationshipofsuchmembersisalsoexpled.Finallysomestructuraldesignmethodsareinvestigatedagainsttheunfavablefactsofearthquakeresistancecausedbythestrengthenedstyrecommend

11、ationsaregivenonthreerelativestiffnessindexesofthiskindofstructure.Thesevaluescanbereferencedinthepreliminarydesignstageoftherelevantstructure.Keywds:frametubestructurestrengthenedstytheminimumpotentialenergyprinciplefun