【英文标准名称】:Railwayapplications-Brakediscsforrailwayrollingstock-Part2:brakediscsmountedontothewheel,dimensionsandqualityrequirements.
【原文标准名称】:铁路应用中铁路车辆的刹车片.第2部分:对安装在车轮上的刹车片的尺寸和质量要求.
【标准号】:NFF11-535-2-2011
【标准状态】:现行
【国别】:法国
【发布日期】:2011-08-01
【实施或试行日期】:2011-08-06
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Brakediscs;Brakes;Brakingequipment;Brakingsystems;Cityrailways;Classification;Coaches;Definitions;Design;Designations;Diameter;Dimensionaltolerances;Goodstrains;Locomotives;Marking;Materials;Non-poweredrailwayvehicles;Passengertrain;Performancerequirements;Qualificationtests;Railwayapplications;Railwayinstallations;Railwayvehiclecomponents;Railwayvehicles;Railwaywagons;Railways;Specification(approval);Testing;Tramwaysystems;Undergroundrailways
【摘要】:
【中国标准分类号】:S32
【国际标准分类号】:45_060_01
【页数】:26P;A4
【正文语种】:其他
基本信息
标准名称: | 测试笔 |
中标分类: |
仪器、仪表 >>
电工仪器仪表 >>
电工仪器、仪表综合 |
替代情况: | 被JB/T 5449-2008代替 |
发布部门: | 中华人民共和国机械工业部 |
发布日期: | 1991-07-10 |
实施日期: | 1992-07-01 |
首发日期: | 1900-01-01 |
作废日期: | 2008-11-01 |
归口单位: | 沈阳仪器仪表所 |
出版日期: | 1900-01-01 |
页数: | 15页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 仪器 仪表 电工仪器仪表 电工仪器 仪表综合
【英文标准名称】:StandardTestMethodforTheoreticalMaximumSpecificGravityandDensityofBituminousPavingMixtures
【原文标准名称】:沥青铺设配合料理论最大比重和密度标准试验方法
【标准号】:ASTMD2041/D2041M-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:D04.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:密度;重力;重力和密度;沥青的
【英文主题词】:density;gravity;gravityanddensity;bituminous
【摘要】:Thetheoreticalmaximumspecificgravitiesanddensitiesofbituminouspavingmixturesarefundamentalpropertieswhosevaluesareinfluencedbythecompositionofthemixtureintermsoftypesandamountsofaggregatesandbituminousmaterials.Maximumspecificgravityisused(1)inthecalculationofairvoidsinthecompactedbituminouspavingmixture,(2)incalculatingtheamountofbitumenabsorbedbytheaggregate,and(3)toprovidetargetvaluesforthecompactionofpavingmixtures.Note18212;Thequalityoftheresultsproducedbythisstandardaredependentonthecompetenceofthepersonnelperformingtheprocedureandthecapability,calibration,andmaintenanceoftheequipmentused.AgenciesthatmeetthecriteriaofStandardPracticearegenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/etc.UsersofthisstandardarecautionedthatcompliancewithPracticealonedoesnotcompletelyassurereliableresults.Reliableresultsdependonmanyfactors;followingthesuggestionsofPracticeorsomesimilaracceptableguidelineprovidesameansofevaluatingandcontrollingsomeofthosefactors1.1Thistestmethodcoversthedeterminationofthetheoreticalmaximumspecificgravityanddensityofuncompactedbituminouspavingmixturesat25x00B0;C[77x00B0;F].1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.2.1ResidualpressuremeasurementsareshowninboththeSIunitofkPaandthecommonlyusednon-standardequivalentunitofx201C;mmofHgx201D;.1.2.2MeasurementsofvolumeandmassareonlygiveninSIunitsbecausetheyaretheonlyunitstypicallyusedinpracticewhenperformingthistestmethod.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q20
【国际标准分类号】:93_080_20
【页数】:4P.;A4
【正文语种】: