【英文标准名称】:StandardTestMethodforTiresforWetTractioninStraight-AheadBraking,UsingaTowedTrailer
【原文标准名称】:用拖挂车朝正前方制动时潮湿牵引用轮胎的标准试验方法
【标准号】:ASTMF408-1999(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【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】:F09.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:brakingtraction;peaktiretraction;skidnumber;skidtrailer;slidingtiretraction;tires;tirebrakingforcecoefficient;tractionmeasurement;wettraction;Brakingtraction;Highwayvehicles;Peaktiretraction;Skidresistance/measurement;Sliding
【摘要】:Themeasuredvaluesaretractionpropertiesoftiresobtainedwiththetowedtrailerdescribedhereonagivenroadsurface,undergivenenvironmentalconditions(ambientandroadsurfacetemperature,humidity,windspeedanddirection,purityandfilmdepthofwaterusedtowettheroadsurface).Theyarecarriedoutinaccordancewiththestatedtestproceduresandreflecttheperformanceofthetotaltire-vehicleenvironmentalsystem.Achangeinanyofthesefactorsmaychangethemeasurementsonasubsequentrunofthetest.Thesetestmethodsaresuitableforresearchanddevelopmentpurposes,wheretiresarecomparedduringasingleseriesoftests.Theymaynotbesuitableforregulatorystatutesorspecificationacceptance,becausethevaluesobtainedmaynotnecessarilyagreeorcorrelateeitherinrankorderorabsolutetractionperformancelevelwiththoseobtainedonotherroadsurfaces(orthesamesurfaceafteradditionalwear),underotherenvironmentalconditions,orothertowedtrailers,orothertestdevices,orwithresultsobtainedwithothertestprocedures.1.1Thistestmethodcoversthemeasurementofbrakingtractionoftiresdesignedforpassengercarsorlighttrucks.Suchbrakingtractionmeasurementsareapplicabletoconditionswhereinthevehicleistravelingstraightaheadonawet,pavedsurface.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G41
【国际标准分类号】:83_160_10
【页数】:5P.;A4
【正文语种】:英语
基本信息
标准名称: | 宽带式砂光机精度 |
中标分类: |
农业、林业 >>
农、林机械与设备 >>
锯材、人造板机械与设备 |
替代情况: | 原标准号GB 6203-1986;被GB/T 6202-2000代替 |
发布日期: | |
实施日期: | 2005-12-01 |
首发日期: | |
作废日期: | 2001-04-01 |
出版日期: | |
页数: | 4页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 农业 林业 农 林机械与设备 锯材 人造板机械与设备