ASTM E2666-2009 根据连续摩擦测量设备穆值的相关性来确定在机场使用维护水平的标准实施规程

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【英文标准名称】:StandardPracticeforCorrelationsofMuValuesofContinuousFrictionMeasurementEquipmenttoDetermineMaintenanceLevelsforUseatAirports
【原文标准名称】:根据连续摩擦测量设备穆值的相关性来确定在机场使用维护水平的标准实施规程
【标准号】:ASTME2666-2009
【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】:E17.21
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Introduction8212;Munumbers(frictionvalues)measuredbyCFMEcanbeusedasguidelinesforevaluatingthesurfacefrictiondeteriorationofrunwaypavementsandforidentifyingappropriatecorrectiveactionsrequiredforsafeaircraftoperations.TheoriginallevelswerebasedontheworkoftheFAA/AS-90-1(3).ThereportstatesthatbasedonfrictionvaluesfromaMuMeterMarkIIusingDunloptires,andtestsconductedbyNASAinthe1970susingaBoeing727,Table1ofMuMeterfrictionlevelclassificationsforrunwaypavementsurfaceswasestablishedforfrictionmeasurementsattestspeedsof65Km/hr.Additionally,testswereconductedagainwiththeMuMeterMarkIIoutfittedwiththeDicotireat95Km/h.ThenasecondordercorrelationwasperformedfortheMuMeteroperatingat95Km/handat65Km/hresultinginthevaluesshowninTable2.ThesevalueswerethenfixedandusedwithcorrelationsofotherCFMEstoestablishthepresentmaintenancelevelsgiveninTable3.2ofFAAAdvisoryCircularAC/150/5320-12.FromtheWallops1993data,theIFIvalueswerecalculatedandthe65Km/hrdatainTable2wasusedtocalculatetheFM60valueforeachlevel.ThedataforthetwospeedsforthefourCFMEsintheFAAreport(3)wereusedtoestablishtheSMpvaluesforeachlevel.Thenanewlevel,NewGrooved,wasaddedbasedonthedifferencesofgroovedandun-groovedsitesattheNASAWallopstestfacility.Table3isalistofthesevaluestobethestandardvaluesFM60andSMpforanyfuturecalibrationofCFME.Airports8212;Routinetestingiscarriedoutinordertoobtaindataforschedulingremedialworkontherunwaysurface.Asinglerunoneithersideofthecenterlinemayberegardedassufficientorasetofrunscoveringthewholewidthoftherunwaymaybepreferred.At3mspacing,thefrictionmapwhichcanbepreparedfromasetofrunsofthiskindprovidesexcellentinformationonrubberbuildupandsurfacepolishing.Standardtestspeedsaretypically65km/hror95km/hrandstandardtestwaterfilmthicknessistypically1mm.TABLE1OriginalMuMeterFrictionClassificationsofRunwayPavementSurfacesfor65km/hrTestSpeedMuValue
Classification
40
Minimum
50
MaintenancePlanning
70
NewDesign/Construction

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