【英文标准名称】:
【原文标准名称】:化学用玻璃容量计
【标准号】:JISR3505-1983
【标准状态】:作废
【国别】:日本
【发布日期】:1983-02-01
【实施或试行日期】:1983-02-01
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:仪表;容量分析;玻璃
【英文主题词】:
【摘要】:
【中国标准分类号】:N35
【国际标准分类号】:
【页数】:
【正文语种】:


【英文标准名称】:StandardTestMethodforDryandWetBulkDensity,WaterAbsorption,andApparentPorosityofThinSectionsofGlass-FiberReinforcedConcrete
【原文标准名称】:玻璃纤维增强混凝土薄片的干和湿体密度、吸水率和表观孔隙率的试验方法
【标准号】:ASTMC948-1981(2001)
【标准状态】:现行
【国别】:
【发布日期】:1981
【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】:C27.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:体密度;密度;孔隙率;吸水率;玻璃纤维增强的;试验;施工材料;混凝土;建筑
【英文主题词】:concrete-glass-fiberreinforced(GFRC);density-concrete;glassfiberreinforcedconcrete(GFRC);porosity-apparent;waterabsorption-brick/clay/concreteproducts;dryandwetbulkdensity/waterabsorption/apparentporosityofthin;sectionsofglassfiberreinforcedconcrete(GFRC),test
【摘要】:Materialpropertiesdeterminedbythistestmethodareusefulforqualitycontrolofglass-fiberreinforcedconcrete,ascertainingcompliancewithgoverningspecifications,andresearchanddevelopment.1.1Thistestmethodcoversthedeterminationsofdryandwetbulkdensity,waterabsorption,andapparentporosityofthinsectionsofglass-fiberreinforcedconcrete.Note18212;Thistestmethoddoesnotinvolveadeterminationofabsolutespecificgravity.Therefore,suchporespaceasmaybepresentinthespecimenthatisnotemptiedduringthespecifieddryingorisnotfilledwithwaterduringthespecifiedimmersionisconsidered"impermeable"andisnotdifferentiatedfromthesolidportionofthespecimenforthecalculations,especiallythoseforpercentvoids.Dependingupontheporesizedistributionandtheporeentryradiiofthespecimenandonthepurposesforwhichthetestresultsaredesired,theproceduresofthismethodmaybeadequate,ortheymaybeinsufficientlyrigorous.Intheeventthatitisdesiredtofillmoreoftheporesthanwillbefilledbyimmersion,varioustechniquesinvolvingtheuseofvacuumtreatmentorincreasedpressuremaybeused.Ifarigorousmeasureoftotalporespaceisdesired,thiscanonlybeobtainedbydeterminingabsolutespecificgravitybyfirstreducingthesampletodiscreteparticles,eachofwhichissufficientlysmallsothatnoimpermeablespacecanexistwithinanyoftheparticles.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q23
【国际标准分类号】:91_100_30
【页数】:2P.;A4
【正文语种】: