火電廠高層鋼結(jié)構(gòu)主廠房?jī)?yōu)化設(shè)計(jì)研究.pdf

1、東南大學(xué)碩士學(xué)位論文火電廠高層鋼結(jié)構(gòu)主廠房?jī)?yōu)化設(shè)計(jì)研究姓名：朱勤申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：土木工程指導(dǎo)教師：李維濱20120603Abst怕ctOptimalDesignStudyonHighriseSteelStructureaboutMainPowerHouseofThermalPowerPlantGraduate：ZhuQinSupervisor：ProfessorLiWeibinSoutheastUniversityChinaAb

2、stractWiththebackgroundofoptimaldesignstudyonmainpowerhouseofShanghaiWaigaoqiaoPowerPlantUnite9onthebasisofthefeasibilityresearchthefiIliteelementsoftwareMIDAS／GeniSadoptedtooptimizethecomplextallsteelstructureofthistype

3、inthispaper，謝tIlsectionaldimensionofmembersasthemaindesignvariables，strength，slendernessratio，stabilityandSOonasconstraintconditions，theamountofsteelusedastargetfunctionThemainjobofthisresearchdoneinthisPaperisasfollows：

4、1Discussthesimulmionofstructuralcomponentsandconstitutiveequationsofthematerial，andintroducethefiniteelementtheorytothemechanicalanalysisandsolutionoftheintegrationpowerhouse2Onthebasisofthewholemodeloftheintegratedpower

5、housethemaincomponentsforcedofboilersteelframeandthemainplantareoptimizedindetailsmakingthebearingcapacityofmembershaveagreaterroletoplayAndanalyzethechangeofstructureperformanceinfluenceaftervariousregionalcomponentsare

6、optimized3AnalyzethechangeofdisplacementandstressoftheintegratedpowerhouseaftertheoptimizationisdoneDisplacementareinresponsetowiIldloadandseismicloadanddifferentloadcombinationsareconsideredwithregardtostress4Elasticpla

7、stictimehistoryanalysismethodiSadoptedtomakeanadditionalnumericalcalculationandanalysisforthisstructureunderrareearthquakestoanalyzetheabilitytesistdeformationunderdi臟rentseismicwavesTheresearchresultsshowthattheoptimals

8、chemeiSfeasiblenotonlyCansatisfyingthelimitoftheValueofvertexandinterstorydisplacement，butalsomeetingtherequirementsofdisplacementlimitofturbinebaseandtheconnectionofhighpipeswiththen’endofuniforillandreasonablestructura