【英文标准名称】:Railwayapplications.Environmentalconditionsforequipment.Part3:Equipmentforsignallingandtelecommunications
【原文标准名称】:铁路设施.设备的环境条件.信号设备和电信设备
【标准号】:BSEN50125-3-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-03-19
【实施或试行日期】:2003-03-19
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电子装置;风;气候条件;环境影响;铁路工程;电气工程;电力牵引;抗风化能力;铁路车辆;电信;运载工具;阻止环境(退化);信号装置;定义;空气温度;铁道车辆;铁路设施;环境条件;湿度;电力设备;电气设备;设备;电磁兼容性;额定值;铁路;电信设备;电驱动装置;规范(验收);电气器具
【英文主题词】:Airtemperatures;Definitions;Electricappliances;Electrictraction;Electricalengineering;Electricalequipment;Electricalinstallations;Electrically-operateddevices;Electromagneticcompatibility;Electronically-operateddevices;Environmentalconditions;Environmentaleffects;Environmentalresistance;Equipment;Humidity;Railwayapplications;Railwayengineering;Railwayvehicles;Railways;Ratings;Rollingstocks;Signaldevices;Specification(approval);Telecommunicationinstallations;Telecommunications;Vehicles;Weathercondition;Weatherresistance;Weatherresistant;Winds
【摘要】:ThisEuropeanStandardspecifiestheenvironmentalconditionsencounteredwithinEurope.Itcanalsobeappliedelsewherebyagreementbetweenthesupplierandthecustomer.ThescopeofthisEuropeanStandardcoversthedesignandtheuseofequipmentandanyportableequipmentforsignallingandtelecommunicationssystems(includingtest,measure,monitoringequipment,etc.).TheportableequipmentmustcomplywiththesectionsofthisEuropeanStandardrelevanttotheiruse.ThisEuropeanStandarddoesnotspecifythetestrequirementsforequipment.Inparticularthestandardintendstodefine–interfaceconditionsbetweentheequipmentanditsenvironment,–parameterstobeusedbydesignerswhencalculatingR.A.M.S.andlifetimewithrespecttoenvironmentalconditioneffects.InthisrespectitgivesgeneralguidanceinordertoallowconsistentassessmentsofcontractdocumentationforEuropeanprojects.Thedefinedenvironmentalconditionsareconsideredasnormalinservice.Microclimatessurroundingcomponentsmayneedspecialrequirementstobedefinedbytheproductstandard.Theeffectsofanysignallingandtelecommunicationsequipment(ineitherorfailuremodeofoperation)ontheoverallsignallingsystemsafetyarenotwithinthescopeofthisEuropeanStandard.ThisEuropeanStandarddoesnotprovidethedesignerwithinformationtoenablehimtodeterminethesafetyriskassociatedwithenvironmentalconditions.Thesafetyofpersonsinthevicinityof(orworkingon)thesignallingandtelecommunicationsequipmentisalsooutofthescopeofthisEuropeanStandard.TheeffectsofvandalismontheequipmentarenotconsideredinthisEuropeanStandard.ThisEuropeanStandardappliestoallsignallingandtelecommunicationssystemsexceptthoseusedforcranes,miningvehiclesandcablecars.Itdoesnotdefinethespecificationsfortrain-bornesignallingandtelecommunicationssystems.Thetrain-bornesignallingandtelecommunicationssystemsmustcomplywithrollingstockenvironmentalconditionsspecifications(EN50125-1).
【中国标准分类号】:S33
【国际标准分类号】:29_280
【页数】:32P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforUsingaRollingInclinometertoMeasureLongitudinalandTransverseProfilesofaTraveledSurface
【原文标准名称】:用滚动测斜器测量移动表面纵向和横向断面的标准试验方法
【标准号】:ASTME2133-2003(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:profilingdevice;rollinginclinometer;transverseandlongitudinalprofiles;Airportpavement;Construction--pavingapplications;Distanceprofilemeasurement;Elevationprofilerecords;Inclinometer;Longitudinalprofile;Pavementsurfaces;Profiling
【摘要】:Thistestmethodestablishesproceduresforcollectingelevationanddistancedataoflongitudinalandtransverseprofilesonatraveledsurface.Resultsofthistestareusedprimarilyto:Evaluatetheroughnessoftraveledsurfaces,usinganyofseveralroughnessindicesshowninTable1.EquationsrequiredforcalculationsofvariousindexesarecontainedinreferencesshowninTable1.Note18212;Whenthistestisusedtoevaluatethecomplianceofanewpavementsurfacewithcontractroughnessspecifications,thetimelinessofthetestinrelationtothedateofthesurface''sinstallationisofcriticalimportance.SincemostPortlandcementconcretesurfaceswillchangeshapewithinafewdaysafterinstallationx2014;duetochangesinthermalandmoisturegradientswhichcausecurlingatjointsandcracksandslabedgesx2014;forcontractorqualitycontrolonly,itmaybedesirabletogatherprofiledatawithin72hafterpavementinstallation.Investigatetheeffectofdifferentconstructionmethodsonresultingpavementsurfaceroughness.Investigatethecurvatureof(1)pavementsurfacesduetocurling,and(2)deflectionofstructuralmemberswithinbridgesandotherstructures.Identifythelocationsinneedofcorrectivegrinding.MeasurerutdepthusingcomputersimulationinaccordancewithTestMethodE1703/E1703M.1.1Thistestmethoddescribesthemeasurementoftransverseandlongitudinalsurfaceprofilesonpavedroad,bridge,andairportsurfacesusingarollinginclinometertravelingatwalkingspeed.1.2Itisdesignedto(1)quantifytheroughnessofnewpavementsandbridgedecks;(2)Investigatetheeffectofvariousconstructionmethodsonsurfaceroughness;(3)determinethelocationforcorrectivegrinding;and(4)evaluatetheeffectofcorrectivegrinding.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P66
【国际标准分类号】:93_080_20
【页数】:4P.;A4
【正文语种】:英语