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1、南京林业大学本科毕业设计（论文）题目：环氧树脂加固空心板铰缝技术研究学院：南方学院专业：土木工程（交通土建）学号：N070606127学生姓名：夏力指导教师：周臻职称：副教授二O一一年六月七日摘要在公路桥梁的建设过程中，广泛的采用了装配式铰接板梁结构，各板梁之间通过现浇的企口混凝土铰接联结。然而，由于设计、施工、桥梁实际运营状况等原因，铰缝受到不同程度的破坏，失去了其应有的作用，剪力传递效果差，当车轮作用于某一根板梁时，全部轮重将由该板梁单独承受，即形成了不利的“单板受力”状态，特别是重车反复通行时，铰缝两侧板梁上下反复错动，更加
2、速加重了铰缝的破坏。本文针对简支板梁桥铰缝处的加固，提出了一种新型材料：环氧树脂。根据铰缝的受损情况，对铰缝进行环氧树脂灌缝，提高铰缝的传递剪力的能力。文章中提出了环氧树脂加固铰缝的方法,环氧树脂铰缝加固材料流动性好,与混凝土粘结力强,抗剪强度高,硬化速度可以根据需要适宜调整,将其灌人受损铰缝缝隙内,其迅速扩散、固化,恢复两侧混凝土之间的粘结,进而有效恢复桥梁结构的整体性。环氧树脂加固铰缝施工,可以在不破坏原结构、不中断交通的情况下进行,操作简便,施工速度快。关键词：板梁桥铰缝加固环氧树脂45AbstractInthecourse
3、oftheconstructionofthebridge,widelyadoptedfabricatedhingedpanels,eachbeamstructurebetweenplategirdersofcast-in-situconcretebytongue-and-groovehingedconnection.However,duetothedesign,construction,bridgetheactualoperationsituationandotherreasons,bydifferentdegreehingejo
4、intsofdestruction,lostitsdueeffect,sheartransfereffectispoor,whenthewheelinarootroleallroundplatebeamsbytheheavyplatebeamsalonewillbearthatformedtheadverse"singleslab"condition,especiallyheavytrucktraffichingejointswhenrepeatedly,rippinguponbothsidesoftheplategirders,
5、addmoreacceleraterepeatedlyhingejointsaggravatedthedestruction.Thispaperofasimply-supportedplategirderbridgeinthispaper.experimentalthereinforcement,putsforwardanewmaterial:epoxyresin.Accordingtothesiteofthedamagedcondition,thispaper.experimentalhingejointsforepoxyres
6、ininthispaper.experimentalseam,improvefillingtheabilityofthetransfershear.Thispaperputsforwardepoxyresinreinforcementmethodofhingejointshingejoints,epoxyresinreinforcedmaterialswithgoodfluidityandconcreteshearstrengthstrongcohesion,highspeed,hardeningmay,accordingtoth
7、eirneeds,willadjustitsirrigationforpeopleinthispaper.experimentalaperturedamaged,therapidspread,curing,restorethebondbetweenbothsides,andconcretebridgestructureeffectivelyrestoreintegrity.Epoxyresinreinforcedconstruction,canbeinthispaper.experimentaldoesnotdestroytheo
8、riginalstructure,don'tinterrupttrafficconditions,simpleoperation,andconstructionspeedisquick.Keywords:HingedSlaborbeambridge
