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1、巴达铁路站前I标工程施工日志工程名称：张家湾隧道出口施工里程：DK42+660-DK44+542施工单位：中铁七局巴达铁路站前I标开工日期：XXXX年XX月XX日竣工日期：XXXX年XX月XX日（第X册共X册）中铁七局巴达铁路站前I标工程项目部meettheconstructiondrawingsprovidedstrengthandworkabilityofconstructionrequirements,mixingratiomustbedeterminedbytest.Constructionwhenyouneedtocha
2、ngethemixofcementitiousmaterial,retesting,andsubmittedtothesupervisorforapproval.(2)mixingofcementitiousmaterials,shouldbecarriedoutstrictlyaccordingtothetesttodeterminetheingredientsofingredients,notampering,ingredientweighingerrorsshouldbeallowedsubjecttothefollowin
3、g:cement±2%;sand,gravelis±3%,water,additives±1%.(3)thecementitiousmaterialinthemixingprocessshouldremainofcoarseandfineaggregatewaterstability,accordingtochangesinmoisturecontentofaggregateandadjustwatertoensuretheaccuracyofthewater/cementratio.(4)mixingtimeofcementit
4、iousmaterials:mechanicalmixingofnotlessthan2~3min,notartificialmix.Localsmallartificialmixtureofdrymixatleastthreetimes,thenwet-mixtouniformcolor,canbeused.(5)withcementitiousmaterialsshouldbemixed.Cementitiousmaterialsallowedintervalshouldbedeterminedthroughexperimen
5、ts,orrefertothetableselected.Segregationduringtransportandstorage,watermortarandmasonrybeforemixingagain,initialsettingofcementitiousmaterialsshallnotbeused.Cementitiousmaterialsallowbreakswhenlayingtemperature(℃)allowedinterval(min),ordinaryPortlandcementandslagPortl
6、andcement20~309012010~201351805~10195/8.4.5andpozzolanacementmasonrymasonrywithPucastingmethod,theprocessis:masonrypreparation–materialselection→putspulpplacedstone→...8.58.5.1masonrymortarforconstructionofmasonrysandinthesand,andsiftthesandshallnotincludegrass-rootsa
7、ndotherdebris.Sandclaydoesnotexceed5%.Mixingofmortar350Lmortarmixer.Mixingtime,finishedfeeding,andshallnotbelessthan1.5min,thebatchingprocess,cementbatchingerrorcontrolwithin±5%.Mortarmixusedcementmortarusedintheblendedinto3h,suchasatemperatureofover30°cduringtheconst
8、ructionperiod,within2Hoftheblendedintofinished,suchasthephenomenonofcementmortar,mixagaininfrontofthebuilding.8.5.2brickmate
