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1、钢结构吊装方案2（Hoistingplanofsteelstructure2）Steelstructurehoistingprogram2.txtwhenyourmothergavebirthtoyou,didyouthrowsomeoneupandkeeptheplacentabig?Don'ttreatshrimpsasseafood.Don'ttreatshrimpsasseafood.Whenthefirstsingleliftingroof,theroofhangingfromtheground500mm,thenlowerroofcra
2、nehoistingposition,thehookwillrisetomorethan300mmhangingrooftops,andthenslowdowntothetopoftheroof,para.Theroofshouldbeparaaxispositioningbuildingsshallprevail,beforeregistrationshouldadvancebuildingaxiswiththeodoliteontopsurface.Immediatelyafterpositioning,thecraneistemporaril
3、yfixedandthenthecraneisdecoupled.Attentionshouldbepaidtothetemporaryfixingofrooftrusses,becausetherooftrussesaresinglestructureaftercontraposition,andthelateralrigidityispoor.Thetemporaryfixingofthefirstrooftrusscanbesecuredbyfourcablesfrombothsides.Ifthewindcolumnishoistedfir
4、st,therooftrusscanbeconnectedwiththewindresistantcolumn.Thesecondrooftrussesandthesubsequentrooftrussescanbetemporarilyfixedontherooftrussoftheroofbytherooftrusscorrector(toolsupport).Atleasttworooftrussesareusedforeachrooftruss.4,theroofofthecorrectionandthefinalfixedroofofth
5、ecorrectcontentistocheckandcorrectitsverticality,withtheodoliteorverticalballcheck,withtherooftrusscorrectororcablewindropecorrection.Checktheroofwiththeodoliteverticality,theinstallationofthreegaugetruss(oneinstalledintheroofofthecentral,twoinstalledintheroof,sincebothends)ge
6、ometriccentertrussline500mm,makeamarkinthecaliper.Then,atheodoliteisinstalledonthegroundatthecenterline500mmoftherooftrusstocheckwhetherthemarksonthethreecalipersareonthesameverticalplane.Usingverticalballcheckroofverticality,settingandtheodoliteexaminationmethodofcalipersigns
7、amesignfromthegeometriccenterrooflinedistance300mm.betweentheendsofalinethroughthecalipersign,thesignfromthecentralcalipertohangdowntheball,checkthemarkthreecaliperisnotinthesameverticalplane.Aftertherooftrussiscorrected,theweldingshallbefixedimmediately.(four)theliftingroofpa
8、nelroofpanelandlouverrackaregenerallyembeddedrings,liftinghoo
