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1、S234建湖东段改扩建工程东塘河钢便桥专项施工方案施工单位：江苏华源建设集团有限公司S234建湖东段项目经理部2010年12月18日6.2.6establishingconstructionsiteweldingsecondary,secondaryelectrodeconsistedofRodpiledup,weldingrodovens,incubators,thermometers,hygrometersandbackingofelectrodes,receiving,paymentandrecoverysystem.Andpersonre
2、sponsibleforthesecondarydatabase.6.2.7constructionweldingmachines,grindingmachines,plasmacuttingmachinetoolexperienceisqualified.6.2.8weldingelectrodes,weldingwireselectioninlinewithnationalandindustrystandardsrequirements,weldingmaterialweldingmaterialsqualitymanualshouldbep
3、rovided,itschemicalcomposition,mechanicalpropertiesandotherindicatorsshouldconformtotherequirementsoftherelevantstandards,appearancemaynothavedefectssuchascorrosion,unqualifiedproductscannotbeused.6.2.9electrode,fluxdryingbeforeuseaccordingtotheregulations,andshouldbekeptdryd
4、uringuse,wiresshouldberemovedbeforeusingthesurfaceoil,rust,etc.Electrodesmustnotfalloff,norustspotsandobviouscracks.6.36.3.1electrodeelectrodeselectionandmanagementlisttrumpeterargonarcweldingelectrodearcweldingofsteel10#E4303J427H08Mn2SiA20#E4303J427H08Mn2SiAQ235-AE4303J422,
5、H08Mn2SiA304E308A102H0Cr21Ni10316LE00-19A002H00Cr21Ni10321E347A137H0Cr21Ni10Ti15Cr...(2)thepurityofargoncarbonsteelandalloysteelpipeshallnotbelessthan99.9%.(3)theweldingfieldwind-proof,rain-proofmeasuresmustbetaken,whentherelativehumidityisgreaterthan90%,whenthewindspeedisgre
6、aterthan2m/s,donotallowapplicationofargonarcwelding,whenthewindspeedisgreaterthan8M/s,donotallowtheapplicationofarcwelding.Weldingshallnotbelessthan0℃ambienttemperature.(4)priortowelding,youshouldreviewthelipsize,meettherequirementsbeforethey东塘河大桥钢便桥安装施工方案一、概况本工程位于建湖县东塘河上，为了大
7、桥的施工，便于施工机械和材料运输，根据业主的要求，在该大桥东侧搭设一座便桥，便桥长90米、全宽4.6米（净宽3.5米），下部桥墩采用直径20cm长8米的原木（2排*6根）、打设三道排架；上部采用贝雷片和工字钢搭设行车道；为加强桥面承载能力，在贝雷片的上部加一道加强铉，本桥承载重量为20T，便道桥搭设完毕后进行荷载试验。二、施工组织机构成立项目经理部，项目部下设、安全组、安装方案指导组、拼装组、吊装组、运输组、机电务部。项目经理对安装工程、安全、文明施工、机械保养总负责；安全组对安装工程施工交通、人员、机电、吊装、运输及负责施工现场的安全管理,负责
8、编写“安全生产管理计划书”，做好安全宣传教育工作，做好安全监督检查工作，落实各项安全措施，杜绝各类事故苗子，有权制止任何不安全操作，确保
