復(fù)合型混凝土摻和料的配制及其特性研究.pdf

1、南京林業(yè)大學(xué)碩士學(xué)位論文復(fù)合型混凝土摻和料的配制及其特性研究姓名：胡亞風(fēng)申請學(xué)位級(jí)別：碩士專業(yè)：森林工程指導(dǎo)教師：王元綱20090601ResearchontheAdmixturePreparationandPropertiesofCompositeConcreteAbstractThisarticlemainlycompoundsteelslagpowder，flyashandsilicafume晰mdifferentforms，th

2、eadmixturemustmeettocomplexconcreteusation；Theresearchresulthaveacertainvaluetomineraladmixtureproducts，reducethecostofproductiononconcrete，andreducetheindustrialwastepollutionoftheenvironmentThisarticlehavemainlywithcom

3、positeadmixturecementmortarstrength，durabilityandmicroanalysisofthecontentsMajortestedstudyaretheflexuralandcompressivestrengththeanticarbonationpropertiesandtheantifreezelawtheporesizedistribution，microstructureofthecom

4、positeadmixturecementmortarfurthermore、析mthepurecementmortartocomparetheperformanceSomepointsareasfollow：(1)Attheappropriatewatercementratio，mixingfinepowderofsteelslag35％，mixingllighqualityflyash275％，mixingsilicafume2％～

5、11％，mixingsteelpowderandsilicafume40％，mixingflyashandpowderofsteelslag40％，mixingflyashandsilicafume70％，mixingthethreeminerals40％，theadmixtureofthecementmortarsarehavethegoodmobilities，flexuralandcompressivestrengthofceme

6、nttomeettherequirementsof425(2)ThroughthestudyofthecompositeadmixturecementmortartoanticarbonationandantifreezedurabilitylawsFoundthatdoubleandthreecompoundmixingcementmortarantifreezinglevelachieved150；28daysofcarbonati

7、ondepthinadditiontosteelslagpowderadmixtureandflyashcementmortarmorethan20mm，avarietyoftheotherscircumstancesarelessthan20mm(3)Throughthepressureofmercurytestingandscanningelectronmicroscopy，havebeengotthecompositeadmixt

8、urecementmortaroftheporesizedistributionandmicro—structurecomposition(4)Inaccordance謝thcompositeadmixturecementmortarphysicalandmechanicalproperties，durabilitiesandmicro—structureoftheresults，toadvancethecompoundpreparat