資源描述：
《型鋼混凝土混合框架結(jié)構(gòu)抗震性能分析》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫。
1、型鋼混凝土混合框架結(jié)構(gòu)抗震性能分析AbstractTheSteelreinforcedconcretestructurehasthecharacteristicofhighprofoundintensityandrigidity,goodplasticityandtoughness,goodexcellentseismicperformance.Hybridframeofsteelreinforcedconcrete(SRC)column-steelbeamasanewtypeofstructuralsystem,aremoreandmorewidelyusedina
2、multi-high-risebuildings.ThispaperadoptslargegeneralfiniteelementanalysissoftwareSAP2000tobuilda12storyhybridframeofsteelreinforcedconcretecolumn-steelbeam,considerthethreefactorssuchassteelratioofSRCcolumn,linearstiffnessratioofbeamtocolumnandformofsteelofSRCcolumnontheseismicperforman
3、ceofthestructure.First,performmodelanalysistodiscussthevibrationcharacteristisofthestructurefromthethreefactorsforfurtherseismicanalysis.Secend,performmodesuperpositionresponsespectrumanalysisandtime-historyanalysis,intheelasticstage,todiscussthedeformationcapacityandlateralstiffnessoft
4、hestructuralfromthethreefactors.Finally,performnonlinearstaticanalysis,intheelastic-plasticstage,todiscussthelateralstiffness,deformationcapacity,ductilityandenergydissipationcapacityofthestructruefromthethreefactors.Theresultsshowthat:steelratioofSRCcolumnhasthelittleeffectiononthehybr
5、idframeofSRCcolumn-steelbeamintheelasticstage,butintotheelastic-plasticstage,asthesteelratioincreases,thestructure’slateralstiffness,deformationcapacity,ductilityandenergydissipationcapacityaresignificantlyimproved;withthelinearstiffnessratioofbeamtocolumnincreases,eitherelasticorelasto
6、plasticstage,thestructure’slateralstiffnessimprovedsignificantly,butthestructure’sdeformationcapacity,ductilityandenergydissipationdecreasesignificantly;formofsteelofSRCcolumnhasthelittleeffectiononthehybridframeofSRCcolumn-steelbeamintheelasticstage,buthasthemoresignificantlyimpactinth
7、eelastic-plasticstage.Deformationcapacityandductilityinturnisbetterasfollows:Hsteel,cross-sectionsteel,squaretubesteel,roundtubesteel.Lateralstiffnessinturnisbetterasfollows:Hsteel,squaretubesteel,roundtubesteel,cross-sectionsteel.Thisarticle’sseismicanalysisresultprovidesarefe
