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1、双梁桥式起重机起拱、加固方案目录1、项目背景2、起重机主要技术参数及检测结果3、计划修理项目和要达到的数值或效果4、修理方案4.1、起拱、加固技术路线的选定4.2、选用主梁起拱、加固、旁弯矫正的方法、机理4.3、修复后主梁拱度、旁弯度及增强效果保持长久稳定的技术保障。4.4、施工工艺流程4.4.1、前期准备阶段4.4.2、施工及验证阶段4.4.3、交工、验收、质量评价及保修阶段5、修理及验收依据标准6、施工安全措施6.1、甲方职责6.2、乙方职责7、工期：8、乙方对质量负责范围和期限7.27.2.1materialconstr
2、uctiontechnicalmeasuresofinspectionandmanagementbuilttankselectionofmaterialsandaccessories,shouldhavethequalitycertificateorcertificateofqualityre-inspection.Constructionselectionoftanksteelplate,mustbecarriedoutbyVisualinspection,noseriousdamageanddistortion.Surfa
3、cecorrosionofsteelplatethicknessreductionamount,actualnegativedeviationofsteelplateandscratchingdepthandshouldcomplywithplatethicknesstolerancerequirements.Withoutstratification,porosity,surfacescarring,RIP,crease,inclusionandpressintheoxide.Electrodemusthaveaqualit
4、ycertificate,whichincludechemicalcompositionandmechanicalpropertiesofdepositedmetaltolerance.Electrodestorageandstackingtoexpertmanagement,establishmentoftheelectrode,electrodediameterelectrodeandmodelsshouldbeneatlystackedseparately.Establishastrictelectrodesystem,
5、recordfillelectrode,electrodeshouldbeusedstrictlyforbakingandissuedasrequired.Allplatesshouldbeclassifiedbymaterialqualityandspecificationsofpilingup.Topreventthestringmaterialshouldbeestablishedaccordingtothepurposeanduseofbooks.Allpartsshouldbestrictlyaccordingtot
6、hedrawingcheckacceptance,andproductcertificates.7.2.2basisofacceptancebeforetheconstructionofstoragetankshouldbedesignedinaccordancewiththecorrespondingbasicdocumentationrequirementsandAPI620therelevantrequirementsforacceptance,andcheckthebasicconstructionunittoprov
7、idechecksofrecords.FoundationCenterheighttoleranceis±20mm.Basesurfaceshouldbeflatanddense,andthroughcracksintheprominentbulge,SAG-free.Tanktankbolt,theinnertankofanchorbolt,beltshouldbeinwaterbasedembeddedfixed.7.2.3operationscaninprefabricatedAssemblyandtestingproc
8、essusedintheproductareasfollows:thearcs13-1、项目背景：热工车间起重机由于投用时间久、负荷高、使用频繁、环境等因素，至该起重机双主梁产生下挠、旁弯，强度、刚度下降，材料腐蚀、疲劳，大小车运行“啃轨”等一系列问题，严重影响使用性能和生产
