圓端形鋼管混凝土塔柱鋼管與混凝土相互作用研究.pdf

1、武漢理工大學碩士學位論文圓端形鋼管混凝土塔柱鋼管與混凝土相互作用研究姓名：李彬申請學位級別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：盧哲安20090501ABSTRACTTheinteractionbetweenthetwodifferentmaterialsofsteeltubeandconcreteofconcrete。filledsteeltube(CFST)inthecourseofbeingcompressed，thatis，thecon

2、。finementtothecoreconcretefromthesteeltube，makesthecolreconcreteinthestateofbeingcompressedfromthreedimensions，SOthatthecoreconcretehasahighercompressivestrength，plasticityandtoughnessperformanceAtthesametimeduetotheexis

3、tenceofthecoreconcrete，theoccurrenceoflocalbucklingofthesteeltubeisavoidordelayed，whichcanguaranteethepropertyofitgettingintofullplayAtpresent，bothathomeandabroad，theapplicationandstudyofCFSTaremainlyfocusedoncircularsec

4、tion，squareCROSSsectionandpolygonalsectionAround。endedconcrete—filledsteeltubecoupledtowercolumnisusedinHouhubridgeinHuangpidistrictinWuhan，whichisanovelstructureandapplicatedlesslVThestudyofthisstructure’Smechanicalperf

5、ormanceandtherelatedliteratureaboutitarealsorareathomeandabroadInthispaperbasedonHouhubridgeroundendedconcretefilledsteeltubecoupledtowercolumnnumericalsimulationandstressmonitoringtechnologyproject，consultingalargenumbe

6、rofliteraturereferencesstressmonitoringtests，staticanalysisoffiniteelementandfiniteelementcontactanalysisarcapplicatedinthemechanicalperformanceandtheinteractionbetweensteelandconcreteoftheCFSTtowercolumninitsconstructio

7、nstageThespecificworksinclude：1BasedonpreviousliteratureandanalysisoftheresultsofCFST，theprinciplesoftheinteractionbetweensteelandconcrete，theinterfacestateofCFSTthedefinitionofbondstrengthofCFSTaswellasthemaininfluencin

8、gfactorsaboutthebondstrengthbetweensteelandconcretearediscussedinthispaperThemethodsusedinthestudyoftheinteractionbetweensteelandconcretearebeingintroducedandthemeaningofstudingtheinteractionbetweensteelandconcreteisalso

9、beingunderstanded2ThestressmonitoringtestsinHouhubridgeisintroducedandthetestdataisanalysedinthispaperTheresultsoftheanalysisinitiallyreflectedthemechanicalperformanceofthetowercolumnintheconstructionstageThen，theinterac