DIN 50359-2-1999 金属材料试验.通用硬度试验.第2部分:硬度试验机的检验和校准

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【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】:


【英文标准名称】:UnifiedInchScrewThreads(UNJThreadForm)
【原文标准名称】:统一英制螺纹(UNJ螺纹形式)
【标准号】:ASMEB1.15ERTA-1997
【标准状态】:现行
【国别】:美国
【发布日期】:1997-03-01
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisStandardestablishesthebasictriangularprofilefortheUNJthreadform,providesasystemofdesignations,liststhestandardseriesofdiameter-pitchcombinationsfordiametersfrom0.600to6.000in,andspecificslimitingdimensionsandtolerances.ItspecifiesthecharacteristicsoftheUNJinchseriesofthreadshaving0.15011Pto0.18042Pdesignedradiusattherootoftheexternalthread,andalsohavingtheminordiameteroftheexternalandinternalthreadsformstoaccommodatetheexternalthreadmaximumrootradius.rootradius.
【中国标准分类号】:J04
【国际标准分类号】:21_040_20
【页数】:
【正文语种】:英语