型鋼加固混凝土組合梁彎剪作用下的試驗研究和理論分析

1、天津大學碩士學位論文型鋼加固混凝土組合梁彎剪作用下的試驗研究和理論分析姓名：齊弟申請學位級別：碩士專業(yè)：結構工程指導教師：李硯波20070801ABSTRACTComparedwithreinforcedconcretestructure，compositebeamsstructurehascharacteriSticsofhi曲bearingcapacityandgoodductility，sohasbeenappliedinengn

2、eeringwideIy1nthisdissenation，onenewmodelofcomposite一一SteelreIntorcedconcretecompositebeamswasproposed，ithasbeenappIiedinareinforcedStructurewithanHrolledframeworkstllJcturebeamtofonnanoriginalconcretebeamofcomposjtebeam

3、1nthisdissenation，行omfoursimpIesupponedsteelreinforcedconcretecomposltebeamsstaticloadingtest，theresearchSystemwasfocussedonthebehavjorofsteelreinforcedconcretecompositestructureThemainresearchworksandresuItsincIude：(1)F

4、ourSteelreinforcedconcretecompositebeamsmodelsweredesignedandfabrjcated，furthe腫orewithspecimentocar叮onandfocusstaticloadingAccordingtoexperimentationclatas，obtainedloaddeflectioncurVes，situationofs們jnSectjonexpanslonexpe

5、nmentationresults，studyotherspecialworksandf’aihⅡ℃caracteristics(2)AnexperimentalinVestigationtoStudybendingcapacityofSteelreinforcedconcretecompositebeams，shearbearingcapaci妙，andcomparewiththeo—ginaJconcretebeambearingc

6、apacity，iIIuStmtedhowgoodistheresultofsteelreinforcedconcretecompositebeamss臼en舒hening。(3)ForStren垂hanalysisofSteelreinforcedconcretecompositebeamsincombinedbendingandshe虬tocalculatebendingandshearfomulasofcompositesecti

7、onundercombjnedbendingandshearTheresultsshowthestrongdefomlationabilit)rofSteelreinforcedconcretecompositebeams，goodductility，hi曲ene唧dissipationandbearingcapacjty；fromtheanalysisofthe陀sultsofsteelreinforcedconcretecompos

8、itebeamsincombinedbendlngandshearproposedaconsiderationaboutthestren昏hcontributionofconcretestⅢcture，aJsoconsidefetheuJtimatebendingshearofthedesignmodelmutualactionTIhismodeIpr0VidedareIiableandeconomicsteelconcretecomp