超高層建筑附著整體升降鋼管腳手架風荷載及極限承載力研究.pdf

1、同濟大學博士學位論文超高層建筑附著整體升降鋼管腳手架風荷載及極限承載力研究姓名：岳峰申請學位級別：博士專業(yè)：結構工程指導教師：李國強2002.12.1同濟大學申請博士學位論文超高層建筑附著整體升降鋼管腳平架風倚載及極限承載力研究動關鍵詞施工，高喜建筑，附著算降式，腳j運，風藉羲，風洞委驗，風載荏丕系數(shù)，隨機振風振系數(shù)，菲線性，!剛性，扣件，頻率，承載力，VABSTRACTIntegralliftscaffoldiswidelyusedi

2、nconstructionoftallbuildingsHoweverwindloadactingonthescaffoldmaybemuchgreaterthanitsdeadloadandbecomesdominantcontrollerasitclimbsoverI50minheightShapecoefficientofwindloadingandwindvibrationcoefficientareimportantfacto

3、rsforcalculationofwindloadHowever，thereisnoreasonableapproachatcalculatingwindloadonitInordertofindoutpropersolutionaboutshapecoefficientoftypicalscaffold，windtesthasbeenconductedthroughmeasuringdragcoefficientItwasalsop

4、roveddragcoefficientisidenticalwithshapecoefficientByusingrandomvibrationtheoryaformulaonwindvibrationcoefficientofattachedscaffoldisobtainedTheresearchprovidesusefulguidelinesforthesafetydesignofintegralliftscaffoldCoup

5、lerconnectionisonekindofimportantsemirigidconnectioninscaffoldsystemA2pmameterlogmodelisproposedtodescribethenonlinearmonmentrotationrelationshipofthiskindofsemi—riodconnectionanditisprovedthattheanalyticalregressionresu

6、ltsagreewellingeneralwiththeexperimentvaluesFrom3kindsofmodelsestablishedforevaluatingthedynamicalbehavioroftimscaffold，thethirdonewhichtakeeccentricityandsemi—rigidconnectionintoaccountischosentobeusedforitsprovidingasi

7、mplifiedonesetmodelinamoreefficientm鋤mmForgettingareasonableupperboundpredictionoftheultimateloadcarryingcapacitiesgeometricnonlinearandmaterialnonlinearanalysisbothunderverticalloadandhorizontalwindloadareperformedinthe

8、paperKeywordsConstruction，Tallbuilding，SelfclimbingAttachedtoStructure，Scaffold，WmdLoad，WindTunnelTest，ShapeCoefficientofWindLoading，WindVibrationCoefficientStochasticResponseofWind‘excitedRandomVibration，NonlinearSemiri