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1、AbstractSelf-anchoredsuspensionbridgehasbecomemoreandmorepopular,andhasbeenwidelyusedinurbanmediumandshortspanbridgesbecauseithasgracefulmodeling,economicadvantagesandadaptabilitytovarious.Althoughtheself-anchoredsuspensionbridgeandupliftofself-anchoredsuspensionBridgesintheformo
2、fthedifferencesareonlythecableanchorfromtheearthmovedtotheanchorageofstiffeninggirderends,butthestructurestressandconstructionmethodhaschangedgreatly,makesimulationself-anchoredsuspensionbridgeinvariousstagesofconstructionmadedifficult,especiallytheslingtensionstage,itisnecessary
3、tohowtomakeareasonableeconomicsecurityslingtensionschemeoffurtherresearchanddiscussion.Duetothecalculationofself-anchoredsuspensionbridgehasgreatdifficulty,combiningcalculationtheorieswithFEM,reasonableconstructioncontrolcalculationmethodswasfound,Consideringtheself-anchoredsuspe
4、nsionbridgeinthecalculationofthedepositsimulationmaincablelargedisplacementnonlinear,concreteshrinkageandcreepnonlinear,supportnonlinearcontact,establishtheidealbridgestate.Second,throughtotheidealofthebridgestatemodelandinstallingandfall,furthercalculationconcretefromtheanchorty
5、pesuspensioncableconstructionneedthefollowingdata:cast-in-situconcretegirdercastthehigh,girdersaxialcompression,themaintowerbehindtheroot,thehighcableshareswithoutstressmaterialfeedinglength,thebenchmarkoflinear,thecablecliplofting,slingnostressmaterialfeedinglength.Throughcalcul
6、ationandexampleanalysis,thispaperstudieshowtoestablishasafeandreasonableeconomicslingtensionscheme.Slingtensionproposalmakingthefactorsconsideredbasicallyhasthefollowingfour:slingtensionduringthesafetyofthebridgecomponents,thesaddlepushingnumberoftimesandthetime,slingtensionoftim
7、e,answerthelongpoleandthenumberofthenumberofjack.Consideringtheabovefactors,toabridgeunderconstructioninthreesetsofslingtensionschemecontrast,separatelyfromthejack,useatleastuseatleastapole,donotneedtobalancethethree,comparedtheoptimalschemethanelected,andcalculatesthetwoofthemwi
8、thexcellentslingtensionschemeeachdrawing
