【英文标准名称】:Eurocode3:Designofsteelstructures-Part1-9:Fatigue;GermanversionEN1993-1-9:2005
【原文标准名称】:欧洲法规3:钢结构的设计.第1-9部分:疲劳
【标准号】:DINEN1993-1-9-2005
【标准状态】:作废
【国别】:德国
【发布日期】:2005-07
【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】:建筑物;制造;钢结构;结构;欧洲法规;材料性能;架设(施工作业);钢结构工程;定义;钢结构作业;负荷;尺寸选定;材料;荷载能力;数学计算;建筑;应力;元部件;疲劳特性;疲劳;额定电压
【英文主题词】:Buildings;Components;Construction;Definitions;Dimensioning;Erecting(constructionoperation);Eurocode;Fatigue;Fatiguebehaviour;Loadcapacity;Loading;Manufacturing;Materialproperties;Materials;Mathematicalcalculations;Ratedvoltage;Steelconstruction;Steelstructuralengineering;Stress;Structuralsteelwork;Structures
【摘要】:EN1993-1-9presentsageneralmethodforthefatigueassessmentofstructuresandstructuralelementswhicharesubjectedtorepeatedfluctuationsofstresses.ThefatiguestrengthsspecifiedinEN1993-1-9areapplicabletostructureswithsuitablecorrosionprotectionandmaintenanceduringtherequiredlifetime,subjectedonlytomildlycorrosiveenvironments,suchasnormalatmosphericconditions.
【中国标准分类号】:P26
【国际标准分类号】:91_010_30;91_080_10
【页数】:40P.;A4
【正文语种】:德语


【英文标准名称】:StandardGuideforOn-LineMonitoringofCorrosioninPlantEquipment(ElectricalandElectrochemicalMethods)
【原文标准名称】:工厂设备中腐蚀性的在监视
【标准号】:ASTMG96-1990(2001)e1
【标准状态】:现行
【国别】:
【发布日期】:1990
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:G01.11
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:腐蚀;设备;说明书;种植;监督(认可)
【英文主题词】:corrosionmonitoringinplantequipment;electricalresistancemethodofcorrosionmeasurement;on-linecorrosionmonitoring;polarizationresistancemethodofcorrosionmeasurement;
【摘要】:Generalcorrosionischaracterizedbyareasofgreaterorlesserattack,throughouttheplant,ataparticularlocation,orevenonaparticularprobe.Therefore,theestimationofcorrosionrateaswithmasslosscouponsinvolvesanaveragingacrossthesurfaceoftheprobe.Allowancemustbemadeforthefactthatareasofgreaterorlesserpenetrationusuallyexistonthesurface.Visualinspectionoftheprobeelement,coupon,orelectrodeisrequiredtodeterminethedegreeofinterferenceinthemeasurementcausedbysuchvariability.Thisvariabilityislesscriticalwhererelativechangesincorrosionratearetobedetected.BothelectricaltestmethodsdescribedinthisguideprovideatechniquefordeterminingcorrosionrateswithouttheneedtophysicallyenterthesystemtowithdrawcouponsasrequiredbythemethodsdescribedinGuideG4.TestMethodBhastheadditionaladvantageofprovidingcorrosionratemeasurementwithinminutes.Thesetechniquesareusefulinsystemswhereprocessupsetsorotherproblemscancreatecorrosiveconditions.Anearlywarningofcorrosiveattackcanpermitremedialactionbeforesignificantdamageoccurstoprocessequipment.Thesetechniquesarealsousefulwhereinhibitoradditionsareusedtocontrolthecorrosionofequipment.Theindicationofanincreasingcorrosionratecanbeusedtosignaltheneedforadditionalinhibitor.Controlofcorrosioninprocessequipmentrequiresaknowledgeoftherateofattackonanongoingbasis.Thesetestmethodscanbeusedtoprovidesuchinformationindigitalformateasilytransferredtocomputersforanalysis.TESTMETHODAx2014;ELECTRICALRESISTANCE(1-6)4Top1.1Thisguideoutlinestheprocedureforconductingon-linecorrosionmonitoringofmetalsinplantequipmentunderoperatingconditionsbytheuseofelectricalorelectrochemicalmethods.Withinthelimitationsdescribed,thesetestmethodscanbeusedtodeterminecumulativemetallossorinstantaneouscorrosionrate,intermittentlyoronacontinuousbasis,withoutremovalofthemonitoringprobesfromtheplant.1.2Thefollowingtestmethodsareincluded:TestMethodAforelectricalresistance,andTestMethodBforpolarizationresistance.1.2.1TestMethodAprovidesinformationoncumulativemetalloss,andcorrosionrateisinferred.ThistestmethodrespondstotheremainingmetalthicknessexceptasdescribedinSection5.1.2.2MethodBisbasedonelectrochemicalmeasurementsfordeterminationofinstantaneouscorrosionratebutmayrequirecalibrationwithothertechniquestoobtaintruecorrosionrates.Itsprimaryvalueistherapiddetectionofchangesinthecorrosionratethatmaybeindicativeofundesirablechangesintheprocessenvironment.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificprecautionarystatementsaregivenin5.6.
【中国标准分类号】:A29
【国际标准分类号】:77_060
【页数】:10P.;A4
【正文语种】: