【英文标准名称】:StandardPracticeforEvaluatingPerformanceCharacteristicsofUltrasonicPulse-EchoTestingInstrumentsandSystemswithouttheUseofElectronicMeasurementInstruments
【原文标准名称】:不用电子测量仪、超声波脉冲回音试验制运转性能的评估的标准操作规程
【标准号】:ASTME317-2006a
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E07.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:无损检验;工艺;试验设备;试验;超声检验;超声波学
【英文主题词】:evaluationofpulse-echoexaminationsystems;evaluationofultrasonicpulse-echoinstruments;nondestructivetesting;performancecharacteristicsofultrasonicexaminationinstruments;performancecharacteristicsofultrasonicexaminationsystems;p
【摘要】:1.1Thispracticedescribesproceduresforevaluatingthefollowingperformancecharacteristicsofultrasonicpulse-echoexaminationinstrumentsandsystems:HorizontalLimitandLinearity;VerticalLimitandLinearity;Resolution-EntrySurfaceandFarSurface;SensitivityandNoise;AccuracyofCalibratedGainControls.Evaluationofthesecharacteristicsisintendedtobeusedforcomparinginstrumentsandsystemsor,byperiodicrepetition,fordetectinglong-termchangesinthecharacteristicsofagiveninstrumentorsystemthatmaybeindicativeofimpendingfailure,andwhich,ifbeyondcertainlimits,willrequirecorrectivemaintenance.Instrumentcharacteristicsmeasuredinaccordancewiththispracticeareexpressedintermsthatrelatetotheirpotentialusefulnessforultrasonicexaminations.InstrumentcharacteristicsexpressedinpurelyelectronictermsmaybemeasuredasdescribedinE1324.1.2Ultrasonicexaminationsystemsusingpulsed-wavetrainsandA-scanpresentation(rforvideo)maybeevaluated.1.3Theproceduresareapplicabletoshoporfieldconditions;additionalelectronicmeasurementinstrumentationisnotrequired.1.4Thispracticeestablishesnoperformancelimitsforexaminationsystems;ifsuchacceptancecriteriaarerequired,thesemustbespecifiedbytheusingparties.Whereacceptancecriteriaareimpliedhereintheyareforexampleonlyandaresubjecttomoreorlessrestrictivelimitsimposedbycustomer''sandenduser''scontrollingdocuments.1.5Thespecificparameterstobeevaluated,conditionsandfrequencyoftest,andreportdatarequired,mustalsobedeterminedbytheuser.1.6Thispracticemaybeusedfortheevaluationofacompleteexaminationsystem,includingsearchunit,instrument,interconnections,fixturesandconnectedalarmandauxiliarydevices,primarilyincaseswheresuchasystemisusedrepetitivelywithoutchangeorsubstitution.Thispracticeisnotintendedtobeusedasasubstituteforcalibrationorstandardizationofaninstrumentorsystemtoinspectanygivenmaterial.Therearelimitationstotheuseofstandardreferenceblocksforthatpurpose.1.7Requiredtestapparatusincludesselectedtestblocksandaprecisionexternalattenuator(wherespecified)inadditiontotheinstrumentorsystemtobeevaluated.1.8Precautionsrelatingtotheapplicabilityoftheproceduresandinterpretationoftheresultsareincluded.1.9Alternateprocedures,suchasexamplesdescribedinthisdocument,orothers,mayonlybeusedwithcustomerapproval.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N77
【国际标准分类号】:19_100
【页数】:13P.;A4
【正文语种】:


【英文标准名称】:Determinationofthebondbehaviourbetweenreinforcingsteelandautoclavedaeratedconcretebythe"beamtest"-Part2:Longtermtest
【原文标准名称】:通过抗弯试验测定加筋钢和高压蒸养加气混凝土之间粘结性的测定.长期试验
【标准号】:BSEN12269-2-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2004-08-09
【实施或试行日期】:2004-08-09
【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】:质量控制;腐蚀;抗弯试验;加筋;钢筋;钢;钢筋混凝土结构;混合结构;耐久试验;试样;加气混凝土;蒸气;复合材料;加速试验;试验;试验设备;弯曲试验;混凝土;建筑;材料强度
【英文主题词】:Acceleratedtesting;Aeratedconcretes;Beamtests;Bendtesting;Compositeconstruction;Compositematerials;Compositetrussing;Concretes;Construction;Corrosion;Endurancetesting;Qualitycontrol;Reinforcedconcretestructures;Reinforcement;Reinforcingbars;Steels;Strengthofmaterials;Testequipment;Testspecimens;Testing;Vapours
【摘要】:ThisEuropeanStandardspecifiesamethodofdeterminingthelongtermbondbehaviourbetweenreinforcingbarsandautoclavedaeratedconcrete(AAC)inprefabricatedreinforcedcomponentsaccordingtoprEN12602.Thetestmethodisconceivedtoobtainvaluesforthelongtermbondstrengthfb,lwhichareobtainedinafinalshorttermtest.ThetestisperformedfordifferentcombinationsofAACtype,barshape,andcorrosionprotectionsystems.
【中国标准分类号】:P25
【国际标准分类号】:91_080_40;91_100_30
【页数】:12P.;A4
【正文语种】:英语