1、長安大學碩士學位論文基于6σ質量控制方法的鋼箱梁施工監(jiān)理要素研究姓名：孫強申請學位級別：碩士專業(yè)：交通運輸工程指導教師：郝憲武20100612AbstractSincethereformandopeningup，Chinatransportation，municipalconstructionhasundergoneenormouschanges，especiallyinrecentyears，steelboxgirderbridgeo

2、nthehighwaythecitymainroadandviaductiswidelyused，butinbuildingconstruction，becauseofitscomplexstructure，transportationdifficulties，especiallyduringtheinstallationprocesscomplexityitisdiffculttocontrolthequalityofsteelbox

3、girderbridgeAlthoughtheowners，supervisionandconstructionhaveseriousimportanceonitthereareinsufficientprecision，onsiteinstallationringtrueandsoonInthispaperthereareanalysisandevaluationforthestructuralcharacteristicsofste

4、elboxgirderandapplicationrange，combinedwithpracticalengineeringcases，onthesteelbridgeconstructionprocesstodiagnoseproblems，includingthediagnosisoftheproblemsofmaterialsmanagementandweldingprocedurequalificationbeforethep

5、roductionofsteelbox，thediagnosisoftheproblemsoftheprocessofmakingsteelboxgirderthediagnosisoftheproblemsofsteelboxpre—assembled，coatingprocessandpackagingduringtransportation，thediagnosisoftheproblemsofsteelboxgirdercons

6、tructionandSOonThroughtheanalysisofmanagementelementsofinstallationprocess，andtheevaluationofthecapacityofprocessingofsteelboxgirderinstallationprocedures，atthesametime，usingtheworld’Sadvanced6Sigmaqualitymanagementmetho

7、dtoanalysisthemanagementelementsofsteelboxgirderconstructionqualitycontroloftheoverallsupervision，arrivingatthemainconclusionsofthispaper：1Thequalitycontrolofrawmaterialsisthekeytothequalitycontrolofsteelboxgirder；2，Stee

8、lboxgirdersegmentdivisionshouldbebasedontheprincipleof”transportation，liftingcapacityandminimizetheworkloadofthescene”；3，Becausethesteelboxgirderstructureisweldedsteelbridge，theweldingprocessthesteelboxgirderdirectlydete

9、rminethequalityofthewholebridgemuststrictlycontrolthequalityofwelding；4，Thebiggestweaknessofsteelboxgirderbridgeispoorcorrosionresistance，easycorrosionSOcoatingqualityoftheprojectisasteelboxgirderconstructionqualitycontr