徐州火車站張弦桁架KK型鑄鋼相貫節(jié)點研究.pdf

1、合肥工業(yè)大學碩士學位論文徐州火車站張弦桁架KK型鑄鋼相貫節(jié)點研究姓名：楊勇申請學位級別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：周安20100401ResearchonKKtypeCastSteelJointofTensionTrussatXuzhouRailwayStationABSTRACTWiththewideapplicationoflarge—spanspacesysteminengineering，thereemergesalargen

2、umberofcomplexstructureSo，itrequiresstrictlyaboutthestructuralformsandtheformofjointsmorethaneverNotonlyisareliableforcetransmissionrequired，butalso，forjointitselftheaccuracyweight，installationandSOonarestricterthaneverT

3、hejointswithtraditionalformcannolongermeettheneedsofstructuredevelopment，whilethecaststeeljointscansolvethisproblemCaststeeljointshaveSOmanymerits，suchas，variousform，beautifulshape，adaptable，integrity，clearforcetransmiss

4、ion，highbearingcapacity，largedesignfreedomInthispaper，inordertogetthemechanicalcharacters，theKKtypecaststeeljointisstudiedbytestingandfiniteelementanalysismethodsItconsidersthatthecaststeeljointshaveahighsecurityreservat

5、ionBytestingmethod，itsuggeststhatattheconstructionsite，whencaststeeljointcut，welded，itshouldbeavoidedatacomplexstressareaandanareathatbarcross—sectionchangesTheproperdistanceawayfromtheaboveareaisatleast500mmItalsosugges

6、tsthatforcaststeeljointsitselfduringthecourseofdesignandconstruction，theimpactionofforceofbellybaralsoshouldbepaidattentionFinally，thebearingcapacityofcaststeeljointshasbeenstudiedbythemethodoforthogonaltestmethodItconve

7、ysthatthethicknessofchordbarhasmoreinfluencesthanothersonthebearingcapacity，but，theanglebetweenthebellybarinthecrosshorizontalplanehastheminimalimpactThrougharationalparameteradjustment，thefailureofthecaststeeljointcanbe

8、avoidedandthepurposeofdesignoptimizationisreachedTherefore，thestudyinthispapercanprovidereferenceforthefuturedesign，construction，andspecificationamendmentKeywords：KKtypecaststeeljoint；Xuzhourailwaystation；tensiontruss；FE