中心鋼板剪力墻支撐鋼框架抗震性能的有限元分析.pdf

1、蘇州科技學(xué)院碩士學(xué)位論文中心鋼板剪力墻支撐鋼框架抗震性能的有限元分析姓名：沈江元申請學(xué)位級別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：于安林20090501顧I學(xué)Ⅲ全AbsclFiniteElementAnalysisofSeismicPerformanceofConcentricaISteelPlateShearV泊llsbracedSteeIFramesAbstractTheconceptofconcent“calbracinginseismi

2、cdesignofsteelbuildingn鋤eshasgainedsubstantialacceptanceinrecentyearsConcentricalsteefplateshear、vallbracedsteelframes(CSWBF)isakindofresistant—LateralsystemItcombinethestrengthandsti矗hessofconcentricallybraced行ames(CBFs

3、)withtheinelasticbehaviorandenergydissipationofsteelplateshearwallsInordertoinVestigatetheseismicperfb姍anceofconcentricalsteelplateshearwallsbracedsteel脅mes，thee虢ctsofthcheight—to—thicknessratioonthehystereticenergydissi

4、pation，theene瑪ydissipatiVecoe所cientandthema)(imumoutofplanedef0姍ationatmeinfillpanelcenteraresimuIatedunderlowcyclicloadingviathefiniteelementmethodthathasbeenVerifiedbyexperiments，aIldthecorrespondinghystereticout。ofpla

5、lledefomationsarepresentedMoreoVer，mehorizontalbaringcapacity，lateralstifnessandduetil塒atdiferentheightto—thicl(nessratiosare向IrtheranaIyzedaccordingtomeskeletoncun，esTheresultsshowthat，CSWBFhasexcellentseismicreismicaIl

6、denergy。dissipation，ithashassomespecialcharacters甜ldwillbeappliedwidelyinthe如tureInconclusion，theproposalfordesigningCSWBFisputforwaurdKeywords：concentricalsteelplateshearwallsbracedsteel仔ames；seismicperfomlance；finiteel