【英文标准名称】:StandardTestMethodforDeterminingRelativeHumidityontheSurfaceofConcreteFloorSlabsUsingRelativeHumidityProbeMeasurementandInsulatedHood
【原文标准名称】:用相对湿度探针测量法和绝缘盖测定混凝土地板表面相对湿度的标准试验方法
【标准号】:ASTMF2420-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:F06.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:相对;混凝土地板;混凝土板;混凝土;盖;湿度;探头;测定;绝缘的;湿度测定;表面;铰接式接头;试验
【英文主题词】:concrete;dewpoint;entrappedairchamber;equilibrium;flooring;floorslabs;insulatedhood;moisture;relativehumidity;temperature;thermalinsulation
【摘要】:Moisturepermeatingfromconcretefloorslabsaffectstheperformanceofflooringsystemssuchasresilient,wood,textilefloorcoveringsandresinouscoatings.Manufacturersofsuchsystemsgenerallyrequirehumidity/moisturetestingbeperformedbeforeinstallationoverconcretefloorslabs.Themeasurementofrelativehumidity(RH)directlyabovetheporoussurfacesofafloorslabisonesuchmethod.Excessivemoistureinoremittingfromfloorslabsafterinstallationcancausefloorcoveringsystemfailuressuchasdelamination,bondingfailure,deteriorationoffinishflooringandcoatings,andmicrobialgrowth.ThesurfaceRHHood(relativehumidity)testmethodisintendedtoquantifytherelativehumidityconditionthatexistsatthesurfaceofafloorslabtowhichafloorcoveringorcoatingshallbeapplied.Resultsindicatemoisturecontentconditionsatthetimeofthetest,asmoisturemovementwithintheslabisdynamic.SeeA1.4forreferencetosomemethodsofdeterminingmoisture/humiditylevelsinaconcreteslab.1.1Thistestmethodcoversthequantitativedeterminationofpercentrelativehumidityabovethesurfaceofconcretefloorslabsforfieldorlaboratorytests.1.2Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SomespecificwarningsaregiveninSection.
【中国标准分类号】:P32
【国际标准分类号】:91_100_30
【页数】:6P.;A4
【正文语种】: