ASTM E1911-2009ae1 用动摩擦试验器观测路面摩擦特性的标准试验方法

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【英文标准名称】:StandardTestMethodforMeasuringPavedSurfaceFrictionalPropertiesUsingtheDynamicFrictionTester
【原文标准名称】:用动摩擦试验器观测路面摩擦特性的标准试验方法
【标准号】:ASTME1911-2009ae1
【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】:E17.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:friction;pavements;skidresistance;Dynamicfrictiontester;Pavementsurfaces(frictionanalysis);Skidresistance/measurement
【摘要】:Thistestmethodprovidesameasureofsurfacefrictionasafunctionofslidingspeed,eitherinthefieldorinalaboratory.Thistestmethodmaybeusedtodeterminetherelativeeffectsofvariouspolishingtechniquesonmaterialsormaterialcombinations.Thevaluesmeasuredinaccordancewiththismethoddonotnecessarilyagreeordirectlycorrelatewiththoseobtainedutilizingothermethodsofdeterminingfrictionpropertiesorskidresistance.1.1ThistestmethodcoverstheprocedureformeasuringpavedsurfacefrictionalpropertiesasafunctionofspeedusingtheDynamicFrictionTester(DF-Tester).1.2TheDFTesterconsistsofahorizontalspinningdiskfittedwiththreespringloadedrubbersliderswhichcontactthepavedsurfaceasthediskrotationalspeeddecreasesduetothefrictiongeneratedbetweentheslidersandthepavedsurface.Awatersupplyunitdeliverswatertothepavedsurfacebeingtested.Thetorquegeneratedbythesliderforcesmeasuredduringthespindownisthenusedtocalculatethefrictionasafunctionofspeed.1.3TheDFTestercanbeusedforlaboratoryinvestigationsandinthefieldonactualpavedsurfaces.1.4ThevaluesstatedinSI(metric)unitsaretoberegardedasstandard.Theinch-poundequivalentsarerationalized,ratherthanexactmathematicalconversions.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.`
【中国标准分类号】:R86
【国际标准分类号】:93_080_99
【页数】:5P.;A4
【正文语种】:英语