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ASTM E1926-2008 从纵剖面测量计算道路国际粗糙度指数的标准实施规程

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【英文标准名称】:StandardPracticeforComputingInternationalRoughnessIndexofRoadsfromLongitudinalProfileMeasurements
【原文标准名称】:从纵剖面测量计算道路国际粗糙度指数的标准实施规程
【标准号】:ASTME1926-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E17.33
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:highwayperformancemonitoringsystem;HPMS;internationalroughnessindex;InternationalRoughnessIndex;longitudinalprofile;pavementmanagementsystems;pavementroughness;PMS;Highwayperformancemonitoringsystem(HPMS);InternationalRoughnessIn
【摘要】:Thispracticeprovidesameansforobtainingaquantitativeestimateofapavementpropertydefinedasroughnessusinglongitudinalprofilemeasuringequipment.TheIRIisportableinthatitcanbeobtainedfromlongitudinalprofilesobtainedwithavarietyofinstruments.TheIRIisstablewithtimebecausetrueIRIisbasedontheconceptofatruelongitudinalprofile,ratherthanthephysicalpropertiesofaparticulartypeofinstrument.Roughnessinformationisausefulinputtothepavementmanagementsystems(PMS)maintainedbytransportationagencies.TheIRIfortherightwheeltrackisthemeasurementofroadsurfaceroughnessspecifiedbytheFederalHighwayAdministration(FHWA)astheinputtotheirHighwayPerformanceMonitoringSystem(HPMS).Whenprofilesaremeasuredsimultaneouslyforbothtraveledwheeltracks,thentheMRIisconsideredtobeabettermeasureofroadsurfaceroughnessthantheIRIforeitherwheeltrack.Note18212;TheMRIscaleisidenticaltotheIRIscale.IRIcanbeinterpretedastheoutputofanidealizedresponse-typemeasuringsystem(seeTestMethodE1082andSpecificationE1215),wherethephysicalvehicleandinstrumentationarereplacedwithamathematicalmodel.Theunitsofslopecorrespondtoaccumulatedsuspensionmotions(forexample,metres),dividedbythedistancetraveled(forexample,kilometres).IRIisausefulcalibrationreferenceforresponse-typesystemsthatestimateroughnessbymeasuringvehicularresponse(seeTestMethodE1082andSpecificationE1215).IRIcanalsobeinterpretedasaverageabsoluteslopeoftheprofile,filteredmathematicallytomodifytheamplitudesassociatedwithdifferentwavelengths(3).1.1ThispracticecoversthemathematicalprocessingoflongitudinalprofilemeasurementstoproducearoadroughnessstatisticcalledtheInternationalRoughnessIndex(IRI).1.2Theintentistoprovideastandardpracticeforcomputingandreportinganestimateofroadroughnessforhighwaypavements.1.3ThispracticeisbasedonanalgorithmdevelopedinTheInternationalRoadRoughnessExperimentsponsoredbyanumberofinstitutionsincludingtheWorldBankandreportedintwoWorldBankTechnicalPapers(1,2).AdditionaltechnicalinformationisprovidedintwoTransportationResearchBoard(TRB)papers(3,4).1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P66
【国际标准分类号】:93_080_99
【页数】:16P.;A4
【正文语种】:英语


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【英文标准名称】:Aerospaceseries-Circuitbreakers,three-pole,temperaturecompensated,ratedcurrents2Ato25A,switchingcapacity65I-Part003:Metricthreadterminals;productstandard;GermanversionEN3774-003:1999
【原文标准名称】:航空和航天.三极,温度补偿,额定电流为2A至25A,开断容量65In的断路器.第003部分:米制螺纹端子.产品标准
【标准号】:DINEN3774-003-1999
【标准状态】:现行
【国别】:德国
【发布日期】:1999-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:质量(物质);飞行器部件;飞行器系统;防爆;电性质和电现象;开关设备;三极断路器;按钮;尺寸;额定电流;断路器;砝码;温度补偿的;三极;米制螺纹;特性;连接;产品标准;电气保护设备;电流;航空航天运输;开关;温度;温度;环境条件;电气工程;开关能力;规范(验收);多语种的;重量;航天运输;作标记;拉伸操作;推动操作;名称与符号;航空运输;机械性能
【英文主题词】:Abilitytoswitch;Aerospacetransport;Airtransport;Aircraftcomponents;Circuit-breakers;Connections;Currents;Designations;Dimensions;Electricalengineering;Electricalpropertiesandphenomena;Electricalprotectionequipment;Electricalsystems;Environmentalcondition;Explosion-proof;Marking;Mass;Mechanicalproperties;Metricscrewthreads;Multilingual;Productstandards;Properties;Pulloperation;Pushoperation;Pushbuttons;Ratedcurrent;Spacetransport;Specification(approval);Switches;Switchgear;Temperature;Temperature-compensated;Threadfasteners;Three-pole;Tri-polecircuit-breakers;Weights
【摘要】:
【中国标准分类号】:V27
【国际标准分类号】:49_060
【页数】:9P.;A4
【正文语种】:德语


【英文标准名称】:Criticalitysafetyinprocessingandhandlingfissilematerials-Part5:Criticalitydataforplutonium239dioxidelight-water-mixtures
【原文标准名称】:处理和搬运核燃料时的临界安全性.第5部分:239二氧化钚-轻水混合物的临界数据
【标准号】:DIN25403-5-2000
【标准状态】:现行
【国别】:德国
【发布日期】:2000-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:核燃料;安全系数;混合物;核技术;反应堆;值;轻水反应堆;临界数据;质量浓度;钚;临界安全;反应堆工艺学;数值;搬运;临界的;轻水;减速剂;核反应堆;生产;单位;处理;符号;临界;二氧化物
【英文主题词】:
【摘要】:Thedocumentspecifiesrequirementsrelatingtocriticalitysafetyduringtheprocessingandhandlingoffissilematerial,inparticularcriticalitydataforplutoniumdioxidlight-watermixtures.Thegivennumericalvaluesandcurvesshallbeusedonaisolatedsystemofplutoniumdioxide(PuO)homogeniouslydistributedinlightwaterwiththeisotopecombination100%Pu239and95%Pu239/5%Pu240withmaximumreflectionbylightwater.#,,#
【中国标准分类号】:F09
【国际标准分类号】:27_120_30
【页数】:10P;A4
【正文语种】:德语