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1、混凝土冬季混凝土施工措施Construct!onofconcretewinterconcreteThereisnonewtechnology,theoverallconstruetiontechnologyisnotmuchdifferencewith30yearsago,thebiggestdifferenceisthatmoremechanization,lessclaybrick,reinforcedwithabitmore,lesson-sitemixingofconcrete,cracksmore,lessconstruct!onperio
2、d.Winterconstructionhasitsownspecialmeaning,anditisnotawintershutdown.Inquality,whenthetemperatureistoolow,itcausesconcreteormortartofreezebeforeitisfullysolidified,whichwillnotachievethedesign，sstrength・Inturn,ifthereisameasuretomaketheconcreteormortarsolidifiedbeforeitfreezes
3、,thetemperaturechangeshavenoadverseeffectonitsstrength.Usuallyadoptedmeasures,mainlythroughthecoverofthemethodsforthermalinsulation,thenaddantifreezereducethefreezingpointflowpatternoftheconcreteormortar,thethirdinbeforenoontostopconstruction,concretecanfullysolidifiedbeforecol
4、datnight.So,thehousethatisbuiltinthewinter,thebuilclingqualitydoesnothaveaproblem.Thekeyiswhetherthereisaresponse.Inordertoensurethattherulesandregulationsofconcreteintothemoldtemperatureisnotlessthan5°C,firstofall,accordingtothethicknessofaggregate,suchastemperatureandheatcapa
5、city,calculationofwaterheatingtemperature,accorclingtothecalculationofthetemperaturetoheatwater,toguaranteethedischargetemperatureofconcrete,andthedischargetemperatureofconcreteforinspectionatanytime,adjustthewatertemperature・Ifthetemperatureislower,evenreachboilingwatercannotr
6、eachwhencalculatingthedischargingtemperature,shallberecalculatedisheatedonaggregatethickness,toensurethatthedischargingtemperature・Mixingintheprocessoffeedingordermustbeadjusted,firstaddthethicknessofaggregate,waterblendermixingevenly,canaddthecement,cementcanonlyheatpreservati
7、on,shallnotdirectlycontactwithhotwater・Meanwhile,thestirringtimeshouldbeextendedto150%ofthenormaltemperature・Whenconcretedeliverytosite,inatimelymannerwithathermometertocheckagaintheconcretetemperature,ensuringthemoldtemperatureshallnotbelowerthan5°C,iflessthan5°C,willtakethesh
8、ippingtimeasfaraspossible,shortenorraisethetemperature
