【英文标准名称】:StandardSpecificationforConcreteRoofTile
【原文标准名称】:混凝土屋面瓦的标准规范
【标准号】:ASTMC1492-2003
【标准状态】:现行
【国别】:
【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】:C15.06
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:混凝土;面砖;屋面瓦;屋顶
【英文主题词】:absorption;concrete;concreterooftile;durability;freezethawdurability;permeability;roof;roofing;tile;transversebreakingstrength
【摘要】:1.1Thisspecificationcoversconcretetilesintendedfortheuseasroofcoveringwheredurabilityandappearancearerequiredtoprovideaweather-resistantsurfaceofspecifieddesign.1.2Tilesaremanufacturedfromportlandcement,water,andmineralaggregateswithorwithouttheinclusionofothermaterials.1.3Tilesareshapedduringmanufacturingbymolding,pressing,orextrusion.Theshapingmethodcanbeusedtodescribethetile.1.4Otherconstituents,suchaschemicalandmineraladmixturesestablishedassuitableforuseinconcrete,shallconformtoASTMstandardspecificationswhereapplicable,orshallbeshownbytestsorexperiencenottobedetrimentaltothedurabilityofconcrete.1.5Tilesaregenerallyplanarorundulatingrectangularshapesavailableinavarietyofcross-sectionalareasprofiles,shapes,sizes,surfacetextures,andcolors.Note18212;Concreterooftilescoveredbythisspecificationaremadefromlightweightornormalweightaggregates,orboth.Note28212;Whenparticularfeaturesaredesired,suchascolor,surfacetextureforappearance,orotherspecialfeatures,suchpropertiesshouldbespecifiedbythepurchaser.However.thelocalsellersshouldbeconsultedastotheavailabilityofconcreterooftilehavingadesiredfeature.1.6Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.
【中国标准分类号】:Q14
【国际标准分类号】:91_060_20
【页数】:7P.;A4
【正文语种】:


【英文标准名称】:Analogueaudiorecordingonvideotape.Polarityofmagnetization.
【原文标准名称】:录像带的模拟音频录音.磁化的极性
【标准号】:NFC97-195-1994
【标准状态】:现行
【国别】:法国
【发布日期】:1994-04-01
【实施或试行日期】:1994-04-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:M71
【国际标准分类号】:33_160_40
【页数】:10P;A4
【正文语种】:其他