資源描述:
《高墩大跨度連續(xù)剛構橋穩(wěn)定分析》由會員上傳分享,免費在線閱讀,更多相關內容在行業(yè)資料-天天文庫。
1、摘要ABSTRACTOurcountryroadshaveenteredthevigorousdevelopmentstage,thebridgeconstructionalsoappearedunprecedentedupsurgeperiod.BecauseChina'svastandcomplexgeologicalconditions,acrossthemountainsandhillshighwaysinthearea,alotofhighpiersoflong—spanBridgeshavebeenbui
2、lt,continuousrigidframeisUSESmoreofthebridge.Highpiersoflongspancontinuousrigidframecantileverconstruction,becausegenerallyadoptedinconstructionconditioniScomplex,andlessconstrainedconstructionofbfidgestructure,SOthestabilityisveryimportant.ThispaperQingXitogui
3、zhouprovincehighwayWasongoosewingss.色forengineeringbackground,tobridgeoflongspancontinuousrigidframehighpiersonthestabilityanalysisandstudyofthemainanalysiscontentandworkareasfollows:1、Withautologousstabilitystudies:thepiersofgoosewingsbridgepierasresearchobjec
4、t,byenergymethodbasedondifferentformsfordifferentoutsidewallslope,differentheightofthebridgeareanalyzedandcompared,thepaperdiscussedthedifferentexternalconditionsrequirementstakethemostappropriateformoftheinfluenceofthepiersrightnessstability.2、111eTstructureco
5、nstructiontomaximumcantilevercondition,basedonlinearelastictheory,塒mlargedeflectiontheory,linearstabilitytheory,analyzestheunderwindloadconstitutiveT,hangbluesuddenlydrop,pillartopfactorssuchasimbalanceofpilinguploadtheinfluenceofstability.Alsothepaperbytempera
6、turegradientloadandpiersintheconstructionofthepillartopdeviationoftheinfluenceofstability,andthepiershaftsaregivenverticalitycontrolsuggestion.3、Forthestabilityunderseismicloadisanalyzed.Thispaperestablishedthethreemodelsofresponsespectrummethodanddynamictime-h
7、istoryanalysistothestructurestabilityrespectivelyWasanalyzedandcompared.Studiedunderseismicloadstructureintheinternalforceanddisplacementcaresection.Inconsiderationofpilesandsoilundercombinedinteractiontostructureanalysis,thedynamiccharacteristicsofthemodelises
8、tablishedbythesimulationandboundaryconditionsofearthquakeanalysismethodtOtheanalysisoftheinfluenceofthestablestructureisdiscussed.Thisresearchcontentforthegoosewingsbridgeco