【英文标准名称】:Free-standingchimneys-Part4:Brickliners;Designandexecution;GermanversionEN13084-4:2002
【原文标准名称】:独立结构烟囱.第4部分:砖衬.设计和施工
【标准号】:DINEN13084-4-2003
【标准状态】:作废
【国别】:德国
【发布日期】:2003-06
【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】:实体式结构;涂层方法;烟囟灰;合格;排气;稳定性;风荷载;结构;燃烧;烟囱帽;砖墙;耐化学性;火炉;结构设计;监督(认可);内管;预制配件;烟囱;安全系数;实心的;砖石工程;排气系统;砌砖工作;炉膛;应力;烟道内衬;流体工程;热力工程;定义;建筑工地;效应;质量;独立的;混凝土;适用性;点火技术;荷载能力;施工文献;通风;工业;壁炉腔;耐力;废气出口;安全;保护层;移动通气孔;负荷测量;验证;砖;一般条件;计划;特点;施工作业;施工材料;型式;极限(数学);环境条件;计算方法;最小壁厚度;混凝土结构;尺寸选定;测量设备;分类;工业特性;规范(验收);设计;尺寸;材料强度;数学计算;污染控制;作标记;隔热;公差(测量);建筑;形状;安全要求;元部件
【英文主题词】:structures;masonrywalls;shape;loadcapacity;safetyrequirements;concretestructures;mathematicalcalculations;windloading;resistance;marking;design;coefficientofsafety;concretes;firingtechniques;classification;safety;chimneyterminals;dimensioning;detached;loadmeasurement;buildingsites;environmentalconditions;fluidengineering;masonry;components;limits(mathematics);specification(approval);planning;chimneybreasts;ventilation;definitions;pollutioncontrol;chimneys;constructionoperations;strengthofmaterials;constructionmaterials;generalconditions;construction;methodsofcalculation;fluegasoutlets;structuraldesign;quality;measuringequipment;fireplaces;fitnessforpurpose;chemicalresistance;heatengineering;protectivecoat;solidtypeofconstruction;internaltubes;tolerances(measurement);fluegasremoval;bricks;coatingmethod;stability;exhaustsystems;surveillance(approval);insulationbehaviour;flueducts;stress;types;exhaustgases;constructiondocuments;solid(shape);effects;brickwork;conformity;hearths;industries;features;combustion;fluelinings;dimensions;ventilations;minimumwallthickness;definition;verification;prefabricatedparts;thermalinsulation
【摘要】:
【中国标准分类号】:P33
【国际标准分类号】:91_060_40
【页数】:44P.;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforProcessControlVerificationtoPreventHydrogenEmbrittlementinPlatedorCoatedFasteners
【原文标准名称】:电镀或涂覆紧固件中防氢脆的过程控制检定用标准试验方法
【标准号】:ASTMF1940-2007a
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:F16.93
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:涂层;脆裂;紧固件;氢脆;钢;试验方法;极限
【英文主题词】:coating;delayedfailure;displacementcontrol;EHE;fasteners;hydrogenembrittlement;IHE;incrementalstepload;loadingrate;plating;steel;threshold
【摘要】:Thistestmethodestablishesameanstoverifytheprevention,totheextentpossible,ofIHEinsteelfastenersduringmanufacturebymaintainingstrictcontrolsduringproductionoperationssuchassurfacepreparation,pretreatments,andplatingorcoating.Itisintendedtobeusedasaqualificationtestforneworrevisedplatingorcoatingprocessesandasaperiodicinspectionauditforthecontrolofaplatingorcoatingprocess.PassingthistestallowsfastenerstobestressedintensiontotheminimumspecifiedtensileloadinairwithalmostnopossibilityoftimedelayedfractureinairasaresultofIHEfromprocessing.Iftheamountofresidualhydrogenisnotsufficienttoinducecrackingorfractureinthespecimenunderworstcaseconditions,thenitcanbeconcludedthatallofthelotsoffastenersprocessedduringthatperiodwillnothavesufficientresidualhydrogenfromprocessingtoinducehydrogenembrittlementofthefastenersunderstressinairiftheprocessremainsincontrol,unchangedandstable.IfcertifiedspecimenswithdemonstratedsensitivitytoIHE,processedwiththefasteners,haveathresholdx2265;75%oftheincrementalsteploadnotchedbendfracturestress,NFS(B)F1624,itisassumedthatallfastenersprocessedthesamewayduringtheperiodwillalsopassanysustainedloadIHEtest.FIG.1DimensionalRequirementsfora0.4W-NotchedSquareBarBendSpecimen1.1Thistestmethodcoversaproceduretoprevent,totheextentpossible,internalhydrogenembrittlement(IHE)offastenersbymonitoringtheplatingorcoatingprocess,suchasthosedescribedinSpecificationsF1137andF1941.Theprocessisquantitativelymonitoredonaperiodicbasiswithaminimumnumberofspecimensascomparedtoqualifyingeachlotoffastenersbeingplatedorcoated.Trendanalysisisusedtoensurequalityascomparedtostatisticalsamplinganalysisofeachlotoffasteners.ThistestmethodconsistsofamechanicaltestfortheevaluationandcontrolofthepotentialforIHEthatmayarisefromvarioussourcesofhydrogeninaplatingorcoatingprocess.1.2Thistestmethodconsistsofamechanicaltest,conductedonastandardspecimenusedasawitness,fortheevaluationandcontrolofthepotentialforIHEthatmayarisefromvarioussourcesofhydrogeninaplatingorcoatingprocess.1.3Thistestmethodislimitedtoevaluatinghydrogeninducedembrittlementdueonlytoprocessing(IHE)andnotduetoenvironmentalexposure(EHE,seeTestMethodF1624).1.4ThistestmethodisnotintendedtomeasuretherelativesusceptibilityofsteelstoeitherIHEorEHE.1.5Thistestmethodislimitedtoevaluatingprocessesusedforplatingorcoatingferrousfasteners.1.6ThistestmethodusesanotchedsquarebarspecimenthatconformstoTestMethodF519,Type1e,exceptthattheradiusisincreasedtoaccommodatethedepositionofalargerrangeofplatingsandcoatings.ForthebackgroundonTestMethodF519testing,seepublicationsASTMSTP543andASTMSTP962.ThestressconcentrationfactorisataKt=3.10.2.Thesensitivityisdemonstratedwithaconstantimposedcathodicpotentialtocontroltheamountofhydrogen.Boththesensitivityandthebaselineforresidualhydrogenwillbeestablishedwithtestsonbaremetalspecimensinair.1.7ThesensitivityofeachlotofspecimenstoIHEshallbedemonstrated.AspecimenmadeofAISIE4340steelheattreatedtoahardnessrangeof50to52HRCisusedtoproducea"worstcase"conditionandmaximizesensitivitytoIHE.1.8Thetestisanaccelerated(24h)testmethodtomeasurethethresholdforhydrogenstresscracking,andi......
【中国标准分类号】:J13
【国际标准分类号】:21_060_01
【页数】:9P.;A4
【正文语种】: