超高層建筑附著整體升降鋼管腳手架風(fēng)荷載及極限承載力研究.pdf

1、同濟大學(xué)博士學(xué)位論文超高層建筑附著整體升降鋼管腳手架風(fēng)荷載及極限承載力研究姓名：岳峰申請學(xué)位級別：博士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：李國強2002.12.1同濟大學(xué)申請博士學(xué)位論文超高層建筑附著整體升降鋼管腳平架風(fēng)倚載及極限承載力研究動關(guān)鍵詞施工，高喜建筑，附著算降式，腳j運，風(fēng)藉羲，風(fēng)洞委驗，風(fēng)載荏丕系數(shù)，隨機振風(fēng)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