DIN ISO 1269-1988 塑料.氯乙烯均聚物和共聚物树脂.挥发性物质(包括水)的测定

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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


【英文标准名称】:Germanstandardmethodsfortheexaminationofwater,wastewaterandsludge;generalinformation(groupA);samplingfrombarragesandlakes(A12)
【原文标准名称】:德国对水.废水和淤泥的统一检验方法.一般说明(A组).死水取样(A12)
【标准号】:DIN38402-12-1985
【标准状态】:现行
【国别】:德国
【发布日期】:1985-06
【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】:试验;运输;水质试验;水;水域;湖泊;试样制备;地表水;抽样方法;分析;标准方法;定义
【英文主题词】:Analysis;Definition;Definitions;Lakepollution;Lakes;Quality;Sampling;Samplingmethods;Specimenpreparation;Standardmethods;Surfacewater;Testing;Transportation;Water;Waterquality;Watertesting;Wate
【摘要】:
【中国标准分类号】:P12;Z23
【国际标准分类号】:13_060_45
【页数】:8P;A4
【正文语种】:德语