【英文标准名称】:StandardTestMethodforMeasuringMoistureVaporEmissionRateofConcreteSubfloorUsingAnhydrousCalciumChloride
【原文标准名称】:用无水氯化钙测量混凝土底层地板湿气发散率的标准试验方法
【标准号】:ASTMF1869-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:定量的;氯化钙;排放率;弹性;地方税;潮气;试验;混凝土;试验方法;氯化物
【英文主题词】:anhydrouscalciumchloride;moisturevaporemissionrate;quantitativecalciumchloride;resilientflooring;RMArefereetest
【摘要】:Usethistestmethodtoobtainaquantitativevalueindicatingtherateofmoisturevaporemissionfromaconcretefloorandwhetherornotthatfloorisacceptabletoreceiveresilientfloorcovering.Themoisturevaporemissionrateonlyreflectstheconditionoftheconcreteflooratthetimeofthetest.Allconcretesubfloorsemitsomeamountofmoistureinvaporform.Concretemoistureemissionisanaturalprocessdrivenbyenvironmentalconditions.Allfloorcoveringsaresusceptibletofailurefromexcessivemoisturevaporemissions.Themoisturevaporemittedfromaconcreteslabismeasuredinpounds.Thismeasurementistheequivalentweightofwaterevaporatingfrom1000ft2ofconcretesurfaceina24x2013;hperiod.Thecalciumchloridemoisturetesthasbeentheindustrystandardformakingthisdeterminationandisapractical,well-establishedandacceptedtestofdynamicmoisture.Itwillproducequantifiedresultsdirectlyapplicabletoflooringmanufacturer’specifications.Theresultsobtainedreflectonlytheconditionoftheconcreteflooratthattime.1.1Thistestmethodcoversthequantitativedeterminationoftherateofmoisturevaporemittedfrombelow-grade,on-grade,andabove-grade(suspended)concretefloors.1.2Thisquantityofmoistureshallbeexpressedastherateofmoisturevaporemission,measuredinpoundsofmoistureovera1000ft2areaduringa24-hperiod.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:3P.;A4
【正文语种】: