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1、鋼筋綁扎技術(shù)交底1449435587(Rebarbandingtechnicaldisclosure1449435587)ProjectnameThe1#~7#AsectionofYanshanUniversityXingyuanbuildingConstructionsiteThefoundationandbasementProjectNo.Date,2010-4-15ShearwallformworkwallsteelbandingTherangeof1Thistechnologyisapplicabletotheouterplatemodel,wallsteelbandingengi
2、neeringbrickmold,cast-in-placetemplatestructureetc..2constructionpreparationThe2.1mainmaterialsandequipment:2.1.1moldingsteelormesh:accordingtotherequirementsofdesigndrawingsspecifications,preformedsteelmeshorspotwelding.2.1.2reinforcementandsupportingribswithdoublemeshreinforcementforreinforcedin
3、twoshouldbetiedreinforcementandsupportingribstofixedupanddownaboutthedistancebetweenthebars.Figure4-8(a),(B).TiebarinFigure4-8(a)inLisbetweentwomeshdistancebindingverticalandhorizontalspacingisnotgreaterthan700mm.Butthisformoftiebaronlyplayandnotsupportingrole.Inordertoensurethecorrectpositionofdo
4、ublewallmesh,thebestuseofthetrapezoidalsupportribs,asshowninFigure4-8(B).Thetrapezoidalsupportribistwoverticalbars(heightofthesamediameterwithverticalreinforcementwall)intotheladderandthehorizontalreinforcementwelding,tieduptosupportroleinthewallbetweentworowsofsteelbars,adistanceabout1200mm.Hdiag
5、ramforthewallverticalribheight,histhewallcrossbarspacing,concretewallthicknessisequaltoCminustheprotectionlayer.2.1.3wire:canuse20~22wire(firewire)orgalvanizedwire(QianSi).Theprotectivelayerofconcretewith2.1.4controlmortarpad,plasticcard.2.1.5tools:steelhook,crowbar,steelframe,steelwirebrushboard,
6、lashing,trolleys,chalkandrulers.Figure4-8(a)Racheltendons;(b)trapezoidalsupportribs2.2operatingconditions2.2.1checksteelfactorycertificate,accordingtotheprovisionsformechanicalexaminationwhenbrittlefractureandotherspecialcircumstancesoccurduringthemachiningprocess,theneedforchemicalcompositioninsp
7、ection;meshprocessingfactoryshouldhavefactorycertification,thereshouldbenooldrustanddirt.2.2.2reinforcedorspotweldingmeshshouldbeon-siteconstructionplaninthespecifiedpositionstacking,meshstandtosupport,shouldbepl