ASTM E950/E950M-2009 用贯性路面验平仪测量车行道路面纵向剖面的标准试验方法

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【英文标准名称】:StandardTestMethodforMeasuringtheLongitudinalProfileofTraveledSurfaceswithanAccelerometerEstablishedInertialProfilingReference
【原文标准名称】:用贯性路面验平仪测量车行道路面纵向剖面的标准试验方法
【标准号】:ASTME950/E950M-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】:E17.31
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:longitudinalprofile;profilingdevice;profilometer;Elevationprofilerecords;Inertialmeasurement;Longitudinalprofile;Pavementsurfaces;Profiles--pavementsurfaces;Profilingdevices/measurement
【摘要】:Themeasurementofvehiculartraveledsurfacesusinganinstrumentedvehiclewithaninertialplaneofreferenceprovidesasatisfactorymethodforacquiringtraveledsurfaceprofiledata(1).Theprofiledatacanbeprocessedtoproduce,bysimulation,theoutputsofotherdevices.Thiscanbedoneonlineinrealtimeorcanbecomputedasapostprocess.Someofthedevicesthatcanbesimulatedincluderoadmeters(2),variousstraightedgedevices(3),profilographs,(4),aswellaspaversandgrinders.Comparisonsofvariousequipmentandtheirprofilecomputerprogramsaregiveninreference(5,6).Therawdataortheprofiledatacanalsoberecordedfordataprocessingatalatertimeandforanalysisbymorecomplexdataprocessingprocedures.1.1Thistestmethodcoversthemeasurementandrecordingoftheprofileofvehicular-traveledsurfaceswithanaccelerometerestablishedinertialreferenceonaprofile-measuringvehicle.1.2Thetestmethodusesmeasurementofthedistancebetweenaninertialplaneofreferenceandthetraveledsurfacealongwiththeaccelerationoftheinertialplatformtodetectchangesinelevationofthesurfacealongthelengthbeingtraversedbytheinstrumentedvehicle.Inordertomeetaparticularclass,thetransducersshallmeetaccuracyrequirementsandthecalculatedprofileshallmeetthespecificationsofthatclass.1.3Thevaluesmeasuredrepresentafilteredprofilemeasuredfromamovingplaneofreferenceusingtheequipmentandproceduresstatedherein.Theprofilemeasurementsobtainedshouldagreewithactualelevationmeasurementsthataresubjectedtothesamefiltering.Selectionofproperfilteringallowstheusertoobtainsuitablewavelengthinformationfortheintendeddataprocessing.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionaryinformationisgiveninSection7.
【中国标准分类号】:R86
【国际标准分类号】:93_080_20
【页数】:6P.;A4
【正文语种】:英语