【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】:ASTMC32-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:
【英文主题词】:brick;clay;drainagestructures;industrialwaste;manholebrick;physicalproperties;sewerbrick;sewers;shale;stormwater;Brick--specifications;Catchbasins;Claymaterials/applications--specifications;Claypipe/pipingsystems--specifica
【摘要】:1.1Thisspecificationcoversbrickintendedforusein(1)drainagestructuresfortheconveyanceofsewage,industrialwastes,andstormwater,and(2)relatedstructuressuchasmanholesandcatchbasins.1.1.1SewerBrick:1.1.1.1GradeSS8212;Brickintendedforuseinstructuresrequiringlowabsorptionandresistancetotheactionofsewagecarryinglargequantitiesofabrasivematerialatvelocitiesexceeding8ft(2.4m)/s.1.1.1.2GradeSM8212;Brickintendedforuseinstructuresrequiringresistancetotheactionofsewagecarryingabrasivematerialsatvelocitieslessthan8ft(2.4m)/s.1.1.2ManholeBrick:1.1.2.1GradeMS8212;Brickintendedforuseinmanholesandcatchbasinsnotrequiringhighdegreesofabrasiveresistancebutwhereahighanduniformdegreeofresistancetofrostactionanddisintegrationisneededwhenthebrickmaybefrozenwhenpermeatedwithwater.1.1.2.2GradeMM8212;Brickintendedforuseinmanholesnotrequiringhighdegreesofabrasiveresistancebutwhereamoderateandnonuniformdegreeofresistancetofrostactionanddisintegrationisneededwhenthebrickmaybepermeatedwithwater.1.2Thepropertyrequirementsofthisstandardapplyatthetimeofpurchase.Theuseofresultsfromtestingofbrickextractedfrommasonrystructuresfordeterminingconformanceornon-conformancetothepropertyrequirements(Section3)ofthisstandardisbeyondthescopeofthisstandard.1.3Brickcoveredbythisstandardaremanufacturedfromclay,shale,orsimilarnaturallyoccurringsubstancesandsubjectedtoaheattreatmentatelevatedtemperatures(firing).Theheattreatmentmustdevelopsufficientfiredbondbetweentheparticulateconstituentstoprovidethestrengthanddurabilityrequirementsofthisspecification.(SeefiringandfiredbondinTerminologyC1232.)1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.
【中国标准分类号】:Q31
【国际标准分类号】:
【页数】:2P.;A4
【正文语种】:英语


【英文标准名称】:Thyristorvalvesforhighvoltagedirectcurrent(HVDC)powertransmission-Part1:Electricaltesting;Amendment1
【原文标准名称】:高压直流(HVDC)电力传输用可控硅阀门.第1部分:电气试验.修改件1
【标准号】:IEC60700-1AMD1-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-02
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC22F
【标准类型】:()
【标准水平】:()
【中文主题词】:直流电流;电气工程;特性;半导体器件;合格试验;电子工程;绝缘;阀门;电气试验;规范(验收);试验;高电压;半导体;电力变换器;直流电传输;能量传输;半导体闸流管;电力电子学;电力系统
【英文主题词】:Definitions;Directcurrent;Direct-currentpowertransmission;Electricconvertors;Electricpowersystems;Electricalengineering;Electricaltesting;Electronicengineering;Energytransmission;Highvoltage;Insulations;Powerelectronics;Properties;Qualificationtests;Semiconductordevices;Semiconductors;Specification(approval);Testing;Thyristors;Valves
【摘要】:ThisisAmendment1toIEC60700-1-1998(Thyristorvalvesforhighvoltagedirectcurrent(HVDC)powertransmission-Part1:Electricaltesting)
【中国标准分类号】:L43
【国际标准分类号】:31_080_20
【页数】:20P;A4
【正文语种】:英语