ProductionProcessofPrefabricatedConcreteMembers(LaminatedSlab

asanExample)Lecturer:Wang

JunPCBULIDING

CONSTRUCTIONLearntheSpiritof

LubanBecometheCraftsmenofthe

Nation0102BriefIntroductionofLaminated

SlabProduction

ProcessofLaminated

SlabPCBULIDING

CONSTRUCTIONContentsPCBULIDING

CONSTRUCTION01BriefIntroduction

ofLaminated

Slab疊合板簡介01Laminatedslabisacommonprefabricatedcomponentinprefabricatedconcrete

buildings.Laminated

floor

slab

is

a

preferable

tructural

form

combining

prefabricated

bottom

plate

with

cast-in-place

concrete

slab.TheprestressedmainreinforcementofthebottomplateisthemainreinforcementoftheLaminatedfloorslab,andtheupperconcretecast-in-placelayerisonlyequippedwithnegativemomentreinforcementandstructural

reinforcement.Theprefabricatedbottomplateisusedasthebottomformforthecast-in-placeconcretelayeranddoesnothavetosupport

theformworkforthecast-in-place

layer.Thebottomsurfaceofprefabricatedbottomplateissmoothandflat,andtheceilingcannolongerbeplasteredaftertheplateseamistreated.Laminatedfloorslabhastheadvantagesofgoodintegrity,highstiffness,goodcrackresistanceandsaving

formwork.BriefIntroductionofLaminated

SlabFig.5.5.4Sketchofplateendstructureoflaminated

slab1-Supportbeamsorwalls;2-Precastslab;3-Bottomplatereinforcement;4-Trussreinforcement;5-Additionalreinforcement;6-Supportreinforcement;7-Transverselydistributed

reinforcementTrussreinforcement15dorloeextends

acrossthe

centerlineStressedreinforcement疊合板簡介Functionoftrussintrussreinforcementconcretelaminated

slabINCREASETHERIGIDITYOFPRECAST

SLABUNDERTHEACTIONOFMANUFACTURE,TRANSPORTATIONAND

HOISTINGITISALSOUSEDASTHESUPPORTREINFORCEMENTDURINGCONSTRUCTIONTOSUPPORTTHEUPPER

GLUTENINTHECAST-IN-PLACE

SLABINCREASETHESHEARRESISTANCEOFPRECASTSLABANDPOST-CASTCOMPOSITE

LAYER01Briefintroduction

ofLaminated

SlabBottom

platePCBULIDING

CONSTRUCTION021Production

ProcessBriefIntroductionofLaminated

Slab01Thelaminatedslabproductionadoptsmovablemouldtableforassemblylineproduction.Theproductionprocessisas

follows:ProductionProcessofLaminated

Slab02Theproductionprocessisas

follows:WearhelmetWearglovesWear

workclothesInspectequipmentCleaningPlacethemouldaccordingtothedrawingdimensionReinforcementprocessingReinforcement

bindingEmbeddedpartsplacementConcreteblankingConcretepouringConcretevibratingSteamcuringwarehousemaintenanceRemovemouldLiftingplateandwarehousingProductionpreparationMouldplacementSteel

barbindingConcretepouringLaminatedslab

curingLifting

plateandwarehousing> > > >>Production

preparationMainwork

contents:Wearsafetyhelmetcorrectly,checkequipmentoperationandcleanupgarbage,

etc.Productionprocessoflaminated

slab01Productionpreparation02Mouldplacement03Steel

barbinding04Concretepouring05Laminatedslab

curing06Lifting

plate

and

warehousing>>>>>Mould

placementAccordingtothetemplatedrawingoflaminatedslab,getthemouldandplacethemouldonthemouldtableMoulddimension

inspection?Brushmouldrelease

agent(1)Laminatedslab

mould(2)Checkmould

dimension(3)Paintmouldrelease

agentProductionprocessoflaminated

slab01Productionpreparation02Mouldplacement03Steel

barbinding04Concretepouring05Laminatedslab

curing06Liftingplate

andwarehousing> >> >>Reinforcement

binding

Accordingtothereinforcementdrawingoflaminatedslab,thestressedreinforcementandtrussbarare

processedProductionprocessoflaminated

slab01Productionpreparation02Mouldplacement03Steel

barbinding04Concretepouring05Laminated

slabcuring06Lifting

plate

and

warehousing> > > > >Reinforcement

bindingAfterthereinforcementprocessingiscompleted,itshallbeinstalledandstackedaccordingtothetypeof

reinforcementProductionprocessoflaminated

slab01Productionpreparation02Mouldplacement03Steel

barbinding04Concretepouring05Laminatedslab

curing06Liftingplate

andwarehousing>>>>>Reinforcement

bindingCollectandplace

reinforcementBinding

reinforcementPlaceembedded

parts(1)Reinforcement

processing(2)Placementof

reinforcement(3)Placeembedded

partsProductionprocessoflaminated

slab01Productionpreparation02Mouldplacement03Steel

barbinding04Concretepouring05Laminatedslab

curing06Lifting

plate

and

warehousing>>>>>Concrete

pouringCollect

the

concrete

according

to

the

template

drawing

of

the

laminated

slab,

and

transport

the

concrete

throughthetorpedotransporttankandblankingittothe

spreaderProductionprocessoflaminated

slab01Productionpreparation02Mouldplacement03Steel

barbinding04Concretepouring05Laminatedslab

curing06Liftingplate

andwarehousing>>>>>ConcretepouringMovethespreaderto

distributeVibrateconcrete(adoptthemodeofmouldtable

vibrating)Surfacenapping(makingroughsurface)(

1

) S

p

r

e

a

d

e

r f

o

rspreadingProductionprocessoflaminated

slab01Productionpreparation02Mouldplacement03Steel

barbinding04Concretepouring05Laminatedslab

curing06Lifting

plate

and

warehousing> > > > >Laminatedslab

curingConcretemembersareplacedinacuringroomfilledwithsaturatedsteamoramixtureofsteamandairtoacceleratethehardeningofconcreteinahightemperatureandhumidity

environment.(1)Enterthesteamcuring

warehouse(2)

Palletizer(3)Steamcuring

warehouseProductionprocessoflaminated

slab01Productionpreparation02Mouldp