ASTM C452/C452M-2010 暴露在硫酸盐中的硅酸盐水泥灰浆潜在膨胀性的标准试验方法

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【英文标准名称】:StandardTestMethodforPotentialExpansionofPortland-CementMortarsExposedtoSulfate
【原文标准名称】:暴露在硫酸盐中的硅酸盐水泥灰浆潜在膨胀性的标准试验方法
【标准号】:ASTMC452/C452M-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C01.29
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:硫酸钙;膨胀;石膏;硅酸盐水泥;抗硫酸盐力;膨胀-水泥材料/应用;灰浆(硅酸盐水泥灰浆);
【英文主题词】:calciumsulfate;expansion;gypsum;portlandcement;sulfateresistance;Expansion--cementmaterials/applications;Mortar(portlandcementmortar);Portlandcement;Sulfateresistance
【摘要】:Thistestmethodisusedprimarilybythoseinterestedinresearchonmethodsfordeterminingthepotentialsulfateresistanceofportlandcement.Thistestmethodisalsousedtoestablishthatasulfate-resistingportlandcementmeetstheperformancerequirementsofSpecificationC150.1.1Thistestmethod,whichisapplicableonlytoportlandcements,coversthedeterminationoftheexpansionofmortarbarsmadefromamixtureofportlandcementandgypsuminsuchproportionsthatthemixturehasasulfurtrioxide(SO3)contentof7.0mass%.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.ValuesinSIunits[orinch-poundunits]shallbeobtainedbymeasurementinSIunits[orinchpoundunits]orbyappropriateconversion,usingtheRulesforConversionandRoundinggivenin,ofmeasurementsmadeinotherunits[orSIunits].ValuesarestatedinonlySIunitswheninch-poundunitsarenotusedinpractice.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.WarningFreshhydrauliccementitiousmixturesarecausticandmaycausechemicalburnstoskinandtissueuponprolongedexposure.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_10
【页数】:3P.;A4
【正文语种】: