ASTM E2561-2007a 感应回路探测器装配的标准实施规程

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【英文标准名称】:StandardPracticefortheInstallationofInductiveLoopDetectors
【原文标准名称】:感应回路探测器装配的标准实施规程
【标准号】:ASTME2561-2007a
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:E17.52
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:探测器;装配;回路;道路;交通管制
【英文主题词】:grounding;inductiveloop;inductiveloopdetector;lead-inwire;lead-incable;loopwire;sealant;splice;wireloop
【摘要】:Thispracticeprovidesamethodforthein-roadinstallationofaninductiveloopdetectorthatconsistsofwireloops,lead-inwires,andlead-incable.Thepracticeisintendedforinstallingwiresinsawcutsmadeintheroadwaysurfaceandnotforinstallingpreformedloopsthatmaybeencasedinaprotectiveenclosuresuchasplasticconduit.TypicalcomponentsofaninductiveloopdetectorsystemareillustratedinFig.1.Moderninductiveloopdetectorelectronicunitsarecapableofdetectingvehiclesevenifthewireloopislaidonreinforcingsteelbeforeconcreteisplaced.FIG.1InductiveLoopDetectorSystem(Notional)(2)1.1Thispracticedescribestherecommendedprocedureforinstallinginductiveloopdetectorsinsawedslotsinroadwaypavementforuseasatrafficmonitoringdeviceortoactuatetrafficcontroldevicessuchasatrafficsignal.Althoughthepracticeisnotintendedforinstallingpreformedloops,thepracticedoescontaininformationofvalueforthistypeofloopsuchasrecommendationsforthenumberofturnsofloopwire,numberanddirectionoftwistsinthelead-inwireandcable,splicelocation(ifneeded),andgroundingoptions.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q85
【国际标准分类号】:93_080_30
【页数】:13P.;A4
【正文语种】: