资源描述：
《连续刚构桥施工控制理论研究与运用》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、AbstractTheprestressedconcretecontinuousrigidframebridgeiswidelyusedbecauseofitshighstrength,lightfullinetype,convenientandfastconstruction,long-spanability.Thelong-spanprestressedconcretecontinuousrigidframebridgeadoptssymmetricalcantileverpouringconstructionoften.Duringtheprocessofthebalancedca
2、ntileverconstruction,thebridgestructureisinfluerncedbyvariousfactors,suchasshrinkage,creepandtemperaturechangeofconcrete,designparameterandactualdifference,constructionerror,surveyerror,andsoon.Adoptingthecantileverpouringconstructionlikethismustresultinverycomplicatedchangeoftheinternalforcesand
3、displacementsinthebridge.Inordertoguaranteethattheconstructionqualityofthebridgeandaresafeinconstruction,andensurethatthegirderlineshapeafterthecontinuousbeambridgebecompletedandstructureinternalforceaccordwiththedesigningrequirement,andmaketherealstatethatjustconstructedthebridgeinsuccessionconf
4、ormasmuchaspossiblewithdesignedthestate,itisindispensablethatthebridgeconstructioncontrol.Basedontheanalysissummaryofdomesticandforeigndevelopmentoflargespanprestressedconcretecontinuousrigidframebridgeandtheconstructioncontroltechnique,thecharacteristicsandmethodsoftheconstructioncontroloflongsp
5、ancontinuousrigidframeisintroduced.HydropowerstationofDadurivermountainS211andtrafficreconstructionprojectAofShenYueriverbridgeastheengineeringbackground,thispaperexpoundsthegreysystemtheoryandestablishesapredictionmodelGM(1J).ItwillberegardShenYueriverbridgeprojectasagreysystem.Inthisarticle,ane
6、xampleisapredictedcalculationofShenYueriverbridgeof9thpieceofboxgirderin5thpierusingGM(1,1)modelinordertoforecastthechangeof9thpieceofvaluecalculationofdeflection.Itconcludesthatthenextphaseoftemplatereservescamber.Applicationslarge-scalecalculationsoftwareMIDASICIVILinthebridgetoimitateandanalyz
7、ethecantileversegmentalconstruction,toadjustandcontroleachconstructingstages.Inthelineshapecontrol,throughsimulationanalyzeandcalculating,togainedpre-camberofconstructionandpre-camberofcompletedstage,andproposethecalcv
