復(fù)合鋼筋混凝土新結(jié)構(gòu)研究與“放”“阻”結(jié)合的裂縫控制新方法.pdf

1、分類號“tU4密級單位代碼學(xué)號重慶交通學(xué)院碩士學(xué)位論文論文題目：復(fù)合鋼筋混凝土新結(jié)構(gòu)研究與“放”“阻”結(jié)合的裂縫控制新方法StudyonNewCompositeReinforcedConcreteStructureAndNewCrackControllingMethodon‘ReleasePrevent’’Principle研究生姓名：飼[d!兵導(dǎo)師姓名、職稱：易志堅教授重慶交通學(xué)院申請學(xué)位級別專業(yè)名稱：論文答辯日期：學(xué)位授予單位；橋梁

2、與隧道工程地壘!∑星望里重慶交通學(xué)院答辯委員會主席；盈拭評閱人：魚塹邀塾叢200#年2月25日AbstndABSTRACTThereinforcedconoreteO∽)b鋤h硒pooranticr牡kproperty邵aresultitsngidityanddurabilityareweakenedandspanningabilitylimitedInordertoimprovetheRCbeams’performance，thene

3、wcompositeconeretebeambasedonfracturemechanicsisproposedwhichcontainsinterfac掙bondedanticrackreinforcingGFRPlayersaswellasembeddedsteellebal苫Massivetestsandstudyaswellasthemathematicalsimulatingmethodmakeitclearthatthecr

4、ackpropertiesareimproved，theultimatecarryingcapacityispromotedextremelyhigherthanthatoftheRCbeam，thenewbeamsaftercrackingrigidityisenhancedobviouslyincomparisonwiththeRCbeamandthefailleductilityalsoimprovedDI12311241Fort

5、hesakeofexploringmechanicperformanceofthenewstructure，andtheengineeringapplicationthelargesizebeamsweretestedtovalidatetheexcellentmechanicperformance11圮corecontentofthethesisistovalidatetheexcellentlymechanicperformance

6、，砒thesametimebasedontheanticrackenhancingmechanismofthenewcompositeconcretestructureandthe‘releaseprevent”principleofthecrackcontrolling，anewstructureconceptisproposedTheexperimentalandfiniteanalysisshowthatthesizeeffect