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1、建筑材料试题库04答案Documentsfromthenetwork,Icollected,finishing,andifthereareomissions,errors,butalsopleasecorrectme!BuildingmaterialexaminationdatabaseQuestionfour,refertotheanswer:First,fillintheblanks(1pointsperminute,totaling10points)1,typeIandtypeIIPortlandcementPortlandcement2cement,water,
2、naturalsand,stones3,cementitiousmaterials,fineaggregate,waterTwo,individualchoicequestions(1.5pointspergame,totaling30points)1,c2,C3,B4,C5,C6,C1,C&B9,B10,AThree,determinethecorrectstandarderror(1pointspergame,totaling10points)1,X2,X3,X,5,4V,6V,7VX8X,9X,10VFour,Janeanswer10pointsforeachqu
3、estion,atotalof30points1,briefdescriptionofcementstoragewhatarethenotes?(twopointsperpoint)Answer:1.differentmanufacturers,differentvarieties,strengthlevelsanddifferentdateofcementshouldbepiledupseparately,shallnotbemixed,stored,mixed,andcannotbemixeduse2.cementmoistureabsorption,storage
4、andstoragemustpayattentiontomoisture,waterproofThetemporarystorageofcementtodoonthepadcoverwhennecessary:plasticfilmcoverorwaterproofcloth,cushionhighstorage,fromthegroundorwallatleastmorethan200mm1.,storageofcementbags,stackingshouldnotbetoohigh,generally10bagsisappropriate,toohighwillm
5、akethebottomlayerofcementistooheavy,resultinginbagpackagingbroken,sothatcementdampagglomerateIfthestorageperiodisshortorthesiteistoonarrow,stackingcanbeincreasedproperly,butitshouldnotexceed15bagsatmost2.cementstorage,reasonablearrangementsforaccessandstackingpositionsinthewarehouse,soth
6、atthecementcanbeimplementedfirstinfirstoutoftheprincipleAvoidpartofthecementduetolong-termbacklogindifficulttotransportoutofthecorner,resultingindampanddeterioration3.cementstorageperiodshouldnotbetoolong,soasnottodampmetamorphismorcausestrengthreductionStorageperiodstartsatthefactorydat
7、e,theaveragecementisthreemonths,thefasthardcementandfasthardeningcementisonemonthThecementmustbereexaminedoverthestorageperiodandshallbedecidedonwhethertoconlinuetouseorreducethestrengthlevelaccordingtotheresultsoftheinspection1,ordinaryconcretepreliminarymixdesignsteps(s
