緯一河2#橋設計計算書（上部結構）大連理工大學本科畢業設計盤錦新區緯一河二號橋設計TheDesignoftheNo.2BridgeontheWeiYiRiverintheNewDistrictofPanJin學院（系）：建設工程學部專業：土木工程學生姓名：蔣超學號：200951194指導教師：王騫（講師）評閱教師：完成日期：2013.6.10大連理工大學DalianUniversityofTechnologyAbstractThisarticlemainlydiscussesthedesignandcalculationprocessoftheNo.2BridgeontheWeiYiRiverintheNewDistrictofPanJin.First,makeacomparisonandadecisionofbridgeschemes.Accordingtotheactualsituationofthelocationofthebridgeandthedesignrequirements,preliminarytwoschemesareworkedoutincludingasimplysupported：ContinuousgirderbridgeandArchbridge.Consideredthesecurity,theeconomy,thepracticalapplicabilityandthebeauty,adesignschemeischoseneventuallyafterthecompariasion.TheContinuousgirderbridgetheappearanceofwhichisarchbridgewithhanginggirderischosenasthefinalbridgescheme.Thefinalbridgeschemehasbeendecided.First,themaindimensionsandthedetailsizeofthebridgestructureneedtobeformulatedcombinedpreviousdesignexperience,specification,andtheinformationofthebridgesthathavebeenbuilttocalculatethestructureforthenextstep.Secondly,calculatetheupperstructureincludingthebeamandtheboxgirder.LearnhowtouseMidasandbuildthemodelofthemainpartofthebridgebyMidastocalculatetheupperstructureofthebridge.Configuratethecommonmechanicalreinforcementandthedistributionreinforcementaccordingtotheinternalforceofupperstructurecalculated,andinputthereinforcementconfiguratiedtothemodelestablishbyMidas.Finally,thecheckingcalculationofcrackwidth,strengthandrigidityisdonetothebridgewhichhasbeenmatchedthereinforcementwell.Calculatethebottomstructureafterthecompletionoftheupperstructurecalculation.Thebottomstructuralcalculationismainlyaboutthecapandpilefoundation,includingthedecisionofthesize,reinforcementdesignandcheckingcalculationofstrengthofthecapandpilefoundation.ThepilewhichhasbeengivenreinforcementneedtobeconsideredthebearingcapacityunderE2earthquakeforcewhethermeetthespecificationrequirements.Finally,sum