抹水泥砂浆.docx
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抹水泥砂浆.docx
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抹水泥砂浆
Projectname
Detailparts
Projectnumber
Date
Thelow-down:
Cementmortar
1 Range
Thisstandardappliestoindoorandoutdoorcementmortarforindustrialandcivilconstruction.
2 Constructionpreparation
2.1 Mainmaterialsandmachines:
2.1.1 Cement:
325 SlagcementorPortlandcementandabove,thesamecolor,preferablyusingthesameproduct.
2.1.2 Sand:
averageparticlesize 0.35 ~ 0.5mm Sand,sandparticlesrequirehardcleanshallnotcontainclay,grass-roots,leaves,alkaliandotherorganicmatterqualityandotherharmfulsubstances. Sandshouldbebasedonapplicationrequirementsbeforeusedifferentaperturesieve,sievegoodbackup.
2.1.3 Limecream:
raw-limecream,pourinwhenusingsieveapertureofnotmorethan 3mm × 3mm Andshouldbestoredinasettlingtank. Curingtimeatambienttemperatureofnotlessthan 15D;whenusedtocovergray,curingtimeshouldnotbelessthan 30D,uselimepasteshouldnotcontainnotcuredwithinparticlesandotherimpurities.
2.1.4 Pulverizedquicklimepowder:
itsfinetospend 0.125mm Screens,atotalscreenbufferisnotgreaterthan 13% 。
Usedwithwatertomakeitfullycured,curingtimeofnotlessthan 3D.
Soakmethods:
shouldbepreparedwellinadvanceofalargecontainer,evenlysprinklealayerofquicklimepowderintothecontainer,pouralayerofwater,thensprinklealayeroflimepowder,water,andsoon. Untilitreachesthecontainervolume 2-3,followedbycontainerfilledwithwater,quicklimepowderallsoakedinwatertomakeitripen.
2.1.5 Pulverizedflyash:
finetospend 0.08mm Squareholesieve,sieveallowanceofnotmorethan 5% ,Flyashcanreplacecementmixingmortar,itslargestvolumenotgreaterthanconsumptionofcement 25%Ifreplacinglimeinthemortarpaste,thelargestadmixtureisnotgreaterthan 50% 。
2.1.6 Otheradmixtures:
107 Adhesives,additives,themixshouldbebywayoftrialdecisions.
2.1.7 Majorequipment:
mixer, 5mm 2mm Apertureofsieve,largeflatspade,squareshovels,besidesplasteringtoolscommonlyused,shouldalsobeequippedwithasoftbrush,wirebrush,chopsticks,powderbags,wateringcans,smallwaterbottles,buckets,skyscrapers,brooms,hammers,coldchisel,etc.
2.2 Jobrequirements:
2.2.1 Structuralengineeringcompletionandacceptancebytherelevantdepartments,meettheeligibilitycriteria.
2.2.2 Beforetheplastershouldbecheckedforcorrectpositioningofthedoorframes,wallsandasolidconnection. Gapsinthejunction 1:
3cementmortaror 1:
1 ∶ 6 Cementmortarmixlayerimpaction-compacted. Ifthegapislarge,itshouldbemixedwithasmallamountofhairembeddedinmortartomakeitSEWtight. AluminumWindowsanddoorscrackstoppingaccordingtodesignrequirements.
2.2.3 Brickwall,concretewallofaeratedconcreteiswidelyused,suchasdust,dirtandgreasestainsonthesurfaceof,shouldbecleanedup,sprinklingwaterandmoist.
2.2.4 Balconyrailings,embeddediron,clothesiron,pipesshouldbeinstalledwellinadvance,structuralconstructionwallcavityshouldbereservedinadvancewhenpluggingtight,columns,lintelsandotherprotrudingwallsofconcretetickflat,hollowbrushahead,afterthewaterspreadandsinkin,andthen 1 ∶ 3 Cementmortaror 1 ∶ 1 ∶ 6 Cementmortarmixlayerfilllining.
2.2.5 Precastconcretewallpanelseamsshouldbedealtwithinadvance,andcheckwhetherthecavityopen,goodjoints,trickingwatertest,leakage-freebeforetheycanproceedtothenextstep.
2.2.6 Aeratedconcretesurfacelayeryouwant,absenceofPrismpointfix. By:
spreadandsinkinadampsubstratesurface,brushEHO 10% 107gluemud,followedby 1 :
1:
6 mortarmix,eachthicknessshouldbecontrolledin 7~ 9mm。
2.2.7 Outsidewallsofcementmortar,largeareasshouldbedonebeforeconstructionmodel,accredited,andtodeterminetheconstructionmethodsandorganizationalconstruction.
2.2.8 Constructionisusedwhentheoutershelfshouldbepreparedinadvance,anywayRodawayfromthewallandthecorner 200 ~ 250mm Tofacilitatetheoperation. ForreductionplastersChaguaranteeplasteringformation,shelfshouldbelayingathree-stepoutsidetomeetconstructionrequirements. Toensurecolorconsistencyacrosscleanwallconcrete,nosingleexclusiveshelf. Reservedtemporaryholeinthewallisstrictlyprohibited.
2.2.9 Formationonthesurfaceofthesubstrateshouldbecheckedbeforeplastering,plasteringtodetermineitsthickness. Plasterbeforebothsidesofacorner,balcony,windowsills,stonefaceejecttheplasterlayeronbothsidesofthelineofcontrol,toserveasabasisforbacking.
3 Operationprocess
3.1 Processflow:
Caulkingaroundthecasing(orsidingtotheverticaljoints)
→
Wallcleaning
→
Waterwetwalls
→
Hangingvertically,partycake,filling,andplasterreinforcement
→
Bombashlayercontrollines
→
Primarytreatment
→
Theunderlyingmortar
→
Elasticline
→
Stickingpoints
→
Hoodgrey-
→
Bar,pointing
→
Conservation
3.2 Thegrass-rootslevelforexternalconcretewallpanels:
3.2.1 Primarytreatment:
Iftheconcretesurfaceissmooth,thesurfaceshouldbe"degrees,therearetwoways:
oneistosmooththesurfacewithasharpthroughthecracks,cracksonthesmooth,makingitaroughsurface,wetwithwaterthegrass-rootslevel. Anothermethodistosmooththesurfaceclean, 10% causticsodawaterafterremovingtheconcretesurfaceoil,Lyetocleandryafterusingmechanicalsprayordumpwithabroomonalayer 1:
1 Thingruel-likecementmortar(mix20%107 Gluemixing),it,orfixitonsmoothbasesurface,breakwithonefixedforgood.
3.2.2 Hangingvertically,setsofrules:
indoorsandWindows,respectivelyhangvertically,suchasnumbnessofthemouth,butt,walls,plasteringspeakingandafteryoupressthegraypiegluten-filled,popsuponthewallplasteringgreycontrollines.
3.2.3 Wipethebottomofmortar:
brushwater 10% 107 Gluemud,(watercementratio 0.4 ~ 0.5 )Followedby 1 ∶ 3 Cementmortar,eachthicknessfor 5 ~ 7mm Shouldbelayeredwithgluten-filledflatandbigbumperscrapeflat,straight,woodentrowelrubbedhishair.
3.2.4 Plasteringmortar:
theunderlyingmortaronceitisput,thenextdaytosurfacelayerofmortar,firstspreadandsinkinthewallwet,accordingtothedrawinggridsizeelasticline,sticky,droptanks,mortarplasteringlayer. Surfacelayerofmortarmixis 1:
2.5 orcementmortar 1:
0.5 ∶ 3.5 Cementmortarthickness 5 ~ 8mm 。
Waterandhumid,thinlyshaveatalayerofpigmentcementplaster,gluesothatitistheendofash,followedbyoverlayinggreyandsmooth,andslashputlevelingwoodtrowelrubbedhishair,irontrowelclearandpressing.WherethesurfaceofMingshui,perpendiculartothegroundwithsoftbrushdippedinwaterinthesamedirection,gentlybrushagaintoensurecolorconsistencyacrossofthesurfacelayerofdust;avoidingandreducingshrinkagecracks. Subsequently,ashlayerisdry,goodpigmentcementplasterwillcrack. Skyscrapers,itshouldnotbehardtopreventedgedamageshouldbeafterbeingdriedup. Andtofillthegaps.
Plasteringconstructionofprograms:
fromtoptobottom,bottommortarfinishes,shelvesgoingup,againfromthetopsurfacelayerofmortar. Shouldpayattentiontointhesurfacelayerofdustbefore,youshouldchecktheunderlyingmortar,crackingphenomenon,suchascracks,youshouldtickchiselagainafterrepairingsurfacelayerofdust;alsoshouldbeawarethattheunderlyingmortaronthedustanddirtshouldbeclean,wateringafterawet,plastersurfaces.
3.2.5 Thedripline(slot):
cornices,windowsills,mast,canopies,balconies,cappingandnotablepartssuchaswalls,runningslopeshouldbemadeabove,thefollowingshoulddothedripline(slot).Streamslopeandthedripline(tracks)fromtheoutersurfaceshallnotbelessthan 40mm,thedripline(alsoknownastheolecranon)shallensurethatitsslopetotheright.
3.2.6 Conservation:
cementmortarplasteringlayershouldbesprayedwithwaterconservation.
3.3 Grass-rootsforaeratedconcretepanels:
3.3.1 Primarytreatment:
dustonthesurfacesweepwithabroom,waterwillspreadandsinkin,immersethewateraerated 10mm Underit.Short-rowedoffthecornersoftheplate,orBoardattheseamswhentheheightdifferenceislarge,use 1:
1:
6 mixedcementmortaradmixture20%107 gluemixingevenly,tieredflatlining,thickness 5~7mm Untiltheashlayerset,wetwithwater,withthesamemixofthinmortar(sandyarnstretchedsievesieve),mechanicalsprayordumpwithabroominaeratedconcretesurfaces,waterconservationthenextdayuntilthelumpsofmortarsolidified,breakwithonenomore.
3.3.2 Hangingvertically,setsofrules:
theformer.
3.3.3 Theunderlyingmortar:
brushwater 10% 107 Gluemortar(cement 0.4 ~0.5 ),Brushwithcementmortar,mix 1 ∶ 1 ∶ 6 ,Smooth,bigbumperscrapeflat,woodentrowelrubbedhishair,beganafterthefinalsettingofconservation. Ifmixedwithflyashinmortar,theabovemixingratiocanbechangedto 1:
0.5:
0.5 ∶ 6 ,Namelycement:
lime:
flyash:
sand.
3.3.4 Elasticline,skyscrapers,stickyStrip,drip,plasteringmortar:
first,bydrawingontherequestedelasticline,sticky,notethatvisco-elasticStatebyverticalbarsshouldbegluedtothesamesideoftheline,aroundtopreventsticking. Afterthetape,whenashattheendoffiveorsix,andplasteringmortar. BrushEHO 10% 107 effectofplasticcementslurry,closelyfollowedbyplaster. Mortarmixingratio 1:
1:
5 cementmortarmixorfor 1∶0.5∶0.5∶ 5 Cementandflyashmortarmix,averagethickness 5mm Abouttwiceandsmooth,thenusethebaranyway,leveling,wo
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