ASTM C803/C803M-2003(2010) 硬化混凝土抗渗透性的标准试验方法

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【英文标准名称】:StandardTestMethodforPenetrationResistanceofHardenedConcrete
【原文标准名称】:硬化混凝土抗渗透性的标准试验方法
【标准号】:ASTMC803/C803M-2003(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:C09.64
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:concretestrength;concreteuniformity;in-placestrength;in-placetest;penetrationresistance;Hardenedconcrete;Nondestructiveevaluation(NDE)--concrete/masonry;Penetration--cement/concrete;Probemethods;Steelprobe;Strength--cement/concretemi
【摘要】:Thistestmethodisapplicabletoassesstheuniformityofconcreteandtodelineatezonesofpoorqualityordeterioratedconcreteinstructures.Thistestmethodisapplicabletoestimatein-placestrength,providedthatarelationshiphasbeenexperimentallyestablishedbetweenpenetrationresistanceandconcretestrength.Sucharelationshipmustbeestablishedforagiventestapparatus(seealso9.1.5),usingsimilarconcretematerialsandmixtureproportionsasinthestructure.UsetheproceduresandstatisticalmethodsinACI228.1Rfordevelopingandusingthestrengthrelationship.Note18212;Sincepenetrationresultsmaybeaffectedbythenatureoftheformedsurfaces(forexample,woodenformsversussteelforms),correlationtestingshouldbeperformedonspecimenswithformedsurfacessimilartothosetobeusedduringconstruction.Additionalinformationonthefactorsaffectingpenetrationtestresultsandsummariesofpastresearchareavailable.,Steelprobesaredrivenwithahigh-energy,powder-actuateddriver,andprobesmaypenetratesomeaggregateparticles.Probepenetrationresistanceisaffectedbyconcretestrengthaswellasthenatureofthecoarseaggregate.Steelpinsaresmallerinsizethanprobesandaredrivenbyalowenergy,spring-actuateddriver.Pinsareintendedtopenetratethemortarfractiononly;therefore,atestinwhichapinstrikesacoarseaggregateparticleisdisregarded.Thistestmethodresultsinsurfacedamagetotheconcrete,whichmayrequirerepairinexposedarchitecturalfinishes.1.1Thistestmethodcoversthedeterminationoftheresistanceofhardenedconcretetopenetrationbyeitherasteelprobeorpin.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:5P.;A4
【正文语种】:英语