【英文标准名称】:Broadcastingandtelecommunication.SpecificationoftheD2-mac/packetsystem.
【原文标准名称】:广播和通信.D2-mac/信息包系统规范
【标准号】:NFC90-001-1987
【标准状态】:现行
【国别】:法国
【发布日期】:1987-05-01
【实施或试行日期】:1987-05-20
【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】:M62
【国际标准分类号】:33_060_01;33_060_99;33_170
【页数】:174P;A4
【正文语种】:其他


【英文标准名称】:StandardSpecificationforSewerandManholeBrick(MadeFromClayorShale)
【原文标准名称】:污水管和人孔用砖(粘土或页岩制)的标准规范
【标准号】:ASTMC32-2005
【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】:C15.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:砖;运河;耐化学腐蚀材料;粘土;建筑;施工材料;轴;页岩
【英文主题词】:brick;clay;drainagestructures;industrialwaste;manholebrick;physicalproperties;sewerbrick;sewers;shale;stormwater
【摘要】:1.1Thisspecificationcoversbrickintendedforusein(1)drainagestructuresfortheconveyanceofsewage,industrialwastes,andstormwater,and(2)relatedstructuressuchasmanholesandcatchbasins.1.1.1SewerBrickGradeSS8212;Brickintendedforuseinstructuresrequiringlowabsorptionandresistancetotheactionofsewagecarryinglargequantitiesofabrasivematerialatvelocitiesexceeding8ft(2.4m)/s.1.1.1.2GradeSM8212;Brickintendedforuseinstructuresrequiringresistancetotheactionofsewagecarryingabrasivematerialsatvelocitieslessthan8ft(2.4m)/s.1.1.2ManholeBrick:1.1.2.1GradeMS8212;Brickintendedforuseinmanholesandcatchbasinsnotrequiringhighdegreesofabrasiveresistancebutwhereahighanduniformdegreeofresistancetofrostactionanddisintegrationisneededwhenthebrickmaybefrozenwhenpermeatedwithwater.1.1.2.2.GradeMM8212;Brickintendedforuseinmanholesnotrequiringhighdegreesofabrasiveresistancebutwhereamoderateandnonuniformdegreeofresistancetofrostactionanddisintegrationisneededwhenthebrickmaybepermeatedwithwater.1.2Thepropertyrequirementsofthisstandardapplyatthetimeofpurchase.Theuseofresultsfromtestingofbrickextractedfrommasonrystructuresfordeterminingconformanceornon-conformancetothepropertyrequirements(Section)ofthisstandardisbeyondthescopeofthisstandard.1.3Brickcoveredbythisstandardaremanufacturedfromclay,shale,orsimilarnaturallyoccurringsubstancesandsubjectedtoaheattreatmentatelevatedtemperatures(firing).Theheattreatmentmustdevelopsufficientfiredbondbetweentheparticulateconstituentstoprovidethestrengthanddurabilityrequirementsofthisspecification.(SeefiringandfiredbondinTerminologyC43.)1.4Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Themetricequivalentsofinch-poundunitsgiveninparenthesesmaybeapproximate.
【中国标准分类号】:Q15;P41
【国际标准分类号】:
【页数】:2P.;A4
【正文语种】: