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

1、華中科技大學碩士學位論文設置加強層的框筒結(jié)構(gòu)側(cè)移分析及優(yōu)化姓名：黃映紅申請學位級別：碩士專業(yè)：結(jié)構(gòu)工程指導教師：張仲先20080606華中科技大學碩士學位論文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