設(shè)置加強(qiáng)層的框-筒結(jié)構(gòu)側(cè)移分析及優(yōu)化.pdf

1、華中科技大學(xué)碩士學(xué)位論文設(shè)置加強(qiáng)層的框筒結(jié)構(gòu)側(cè)移分析及優(yōu)化姓名：黃映紅申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：張仲先20080606華中科技大學(xué)碩士學(xué)位論文IIAbstractTheresistancetolateralfcesystemofhighrisebuildingisthekeytowhetheritisreasonablesecureeconomicalwhichisneededtodevelopconstantlyinc

2、ompanywiththestructuralheightthedevelopmentdemoffunction.Majlateraldisplacementofframetubestructurewhichisausualadoptedstructuralsystemofhighrisestructureresultsfromlateralrigidityshtage.Therefehizontalstywithoutriggersa

3、reusuallylocatedtosatisfytherequirementofcontrollingthelateraldisplacementwhendesigning.Inthisdissertationaplaneanalyticalmodeltohizontaloutriggersbracedframetubestructurenumericalanalyticmethodareadoptedtodiscusstheopti

4、mumnumber，theoptimumlocationsstructuralparameterseffectsstructuraloptimizationafterstyofoutriggersislocated.Firstlythedissertationintroducedtheactionmechanismoftheframetubestructurewhenstywithoutriggerswaslocated.Thenwed

5、iscussedtheshtageofthecurrenttheeticalmodelsamereasonablemodelarelevantstaticanalyticapproachwerepresentedwhichwerebasedoncertainassumption.InthisapproachitSimplifytheflobeamsintocontinuousmediumalsoconsideredthebentshea

6、rdefmationofmainmembersaswellastheaxisdefmationoftheframecolumns.Thenstructuraldefmationenergyexpressionundertheactionoflateralloadwasfound.Bytheminimumpotentialenergyprinciplethegoverningequilibriumequationofstructureun

7、derlateralloadswassetup.AtlastcombiningvariationprinciplewithRayleighRitzmethodlateraldisplacementexpressionofoutriggersbracedframetubestructurewassolvedout.Basedonthestructurallateraldisplacementexpressiontheoptimumquan

8、tityofstywithoutriggershadbeenfoundaccdingtoasimplenumericalanalysis.Structuralparameterseffectstothetopdisplacementtheoptimumlocationsofstywithoutriggerswereshowedafterchangingtherigidityofeachmemberwhilesomeideasabouts