资源描述：
《Study of the modulus of elasticity of polymer concrete compounds and.pdf》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、CementandConcreteResearch34(2004)20912095StudyofthemodulusofelasticityofpolymerconcretecompoundsandcomparativeassessmentofpolymerconcreteandportlandcementconcreteJaneProszekGorninskia,*,DeniseC.DalMolinb,ClaudioS.KazmierczakaaCentrodeCieˆnciasExataseTecnolo´gicas-Universi
2、dadedoValedoRiodosSinos(UNISINOS),Av.Unisinos,950,93022-000Sa˜oLeopoldo,RS,BrazilbEscoladeEngenhariadaUniversidadeFederaldoRioGrandedoSul(NORIE),BrazilReceived18September2003;accepted10March2004AbstractThemainaimofthisstudyistoassessthemodulusofelasticityofpolymerconcrete
3、(PC)compoundsproducedusingtwotypesofbinders:orthophtalicorisophtalicpolyester.Thecompositionsusedwereselectedfromapreviousstudythatidentifiedcost-effectivePCcompositions.Basedonthosedata,theconcentrationsofpolymerusedwere12%oforthophtalicpolyesterand13%ofisophtalicpolyest
4、erbyweightofthedrymaterials.Flyashwasusedasafillerandcompositionswith8%,12%,16%and20%ofashbyweightofaggregatewerestudied.Resultsindicatethatallcompositionsassessedinthisstudydisplayhighmodulusofelasticityvalues.Statisticalanalysisofthedatarevealsthatthetypeofresinandtheco
5、ncentrationofflyash,bothinisolationandincombination,haveasignificanteffectonthemodulusofelasticityofthesecompounds.D2004ElsevierLtd.Allrightsreserved.Keywords:Polymerconcrete;Polyesterresin;Flyash;Modulusofelasticity1.Introductiontheadditionofadditives,catalystsandacceler
6、ators.Itscompositionwilldependonitsintendedapplication.ThedevelopmentofnewcompositematerialspossessingHowever,thegrowingneedfordurablematerialstoincreasedstrengthanddurabilitywhencomparedwithcon-replaceportlandconcrete,particularlywithregardstochem-ventionaltypesisamajorr
7、equirementofapplicationsinicalstrengthproperties,hasnotbeentranslatedintowide-repairsandintheimprovementofinfrastructurematerialsspreadusageofPC.Themostlikelyreasonsbehindthisareusedinthecivilconstructionindustry.Polymerconcrete(PC)alackofinformationonthepropertiesofPC,th
8、etechnologyisanexampleofarelativelynewmaterialwithsuchhighemployedinitsproductionanditshighercos
