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1、梅苑小区联防队员安全目标责任书铜川煤化实业有限公司梅苑小区meettheconstructiondrawingsprovidedstrengthandworkabilityofconstructionrequirements,mixingratiomustbedeterminedbytest.Constructionwhenyouneedtochangethemixofcementitiousmaterial,retesting,andsubmittedtothesupervisorforapproval.(2)mixingofcementitiousmateria
2、ls,shouldbecarriedoutstrictlyaccordingtothetesttodeterminetheingredientsofingredients,notampering,ingredientweighingerrorsshouldbeallowedsubjecttothefollowing:cement±2%;sand,gravelis±3%,water,additives±1%.(3)thecementitiousmaterialinthemixingprocessshouldremainofcoarseandfineaggregatew
3、aterstability,accordingtochangesinmoisturecontentofaggregateandadjustwatertoensuretheaccuracyofthewater/cementratio.(4)mixingtimeofcementitiousmaterials:mechanicalmixingofnotlessthan2~3min,notartificialmix.Localsmallartificialmixtureofdrymixatleastthreetimes,thenwet-mixtouniformcolor,c
4、anbeused.(5)withcementitiousmaterialsshouldbemixed.Cementitiousmaterialsallowedintervalshouldbedeterminedthroughexperiments,orrefertothetableselected.Segregationduringtransportandstorage,watermortarandmasonrybeforemixingagain,initialsettingofcementitiousmaterialsshallnotbeused.Cementit
5、iousmaterialsallowbreakswhenlayingtemperature(℃)allowedinterval(min),ordinaryPortlandcementandslagPortlandcement20~309012010~201351805~10195/8.4.5andpozzolanacementmasonrymasonrywithPucastingmethod,theprocessis:masonrypreparation–materialselection→putspulpplacedstone→...8.58.5.1masonry
6、mortarforconstructionofmasonrysandinthesand,andsiftthesandshallnotincludegrass-rootsandotherdebris.Sandclaydoesnotexceed5%.Mixingofmortar350Lmortarmixer.Mixingtime,finishedfeeding,andshallnotbelessthan1.5min,thebatchingprocess,cementbatchingerrorcontrolwithin±5%.Mortarmixusedcementmort
7、arusedintheblendedinto3h,suchasatemperatureofover30°cduringtheconstructionperiod,within2Hoftheblendedintofinished,suchasthephenomenonofcementmortar,mixagaininfrontofthebuilding.8.5.2brickmaterialaccordingtothedesignrequirements,usingprecastconcretehollowbrick,sourcedlocally.Brickgame
