【英文标准名称】:Blanksforsuperabrasivecutting-offwheels-Part1:manuallyguidedcutting-offinbuildingandcivilengineering.
【原文标准名称】:超级研磨切割砂轮用坯件.第1部分:建筑物和土木工程用人工切割
【标准号】:NFE75-319-1-2006
【标准状态】:作废
【国别】:法国
【发布日期】:2006-03-01
【实施或试行日期】:2006-03-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:研磨切割;扁平砂轮;磨料;坯件;氮化硼;氮化硼砂轮;建筑物;土木工程;建筑;切割砂轮;金刚石刀具;尺寸;砖石工程;普通控制系统;工具
【英文主题词】:Abrasivecutting;Abrasiveflapwheels;Abrasives;Blanks;Boronnitrides;Boron-nitridewheels;Buildings;Civilengineering;Construction;Cutting-offwheels;Diamondcutters;Diamondtools;Dimensions;Masonry;Pedestrian-controlledsystems;Tools
【摘要】:
【中国标准分类号】:J43
【国际标准分类号】:25_100_70
【页数】:11P.;A4
【正文语种】:其他
【英文标准名称】:StandardPracticeforMeasurementofThicknessofAppliedCoatingPowderstoPredictCuredThickness
【原文标准名称】:测量实用涂层粉末预固化厚度的标准实施规程
【标准号】:ASTMD7378-2007
【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】:D01.51
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:角度测量;涂层;尺寸计量;线性测量;测量;计量学;粉末;表面特性;厚度
【英文主题词】:coatingpowder;coatingthickness;filmthickness;powdercoating;powderthickness;thicknessprediction;ultrasonic
【摘要】:Manyphysicalandappearancepropertiesofthefinishedcoatingareaffectedbythefilmthickness.Filmthicknesscanaffectthecolor,gloss,surfaceprofile,adhesion,flexibility,impactresistanceandhardnessofthecoating.Thefitofpiecesassembledaftercoatingcanbeaffectedwhenfilmthicknessisnotwithintolerance.Thereforecoatingsmustbeappliedwithincertainminimumandmaximumfilmthicknessspecificationstooptimizetheirintendeduse.Allproceduresinvolvetakingmeasurementsofappliedcoatingpowdersinthepre-cured,pre-gelledstatetohelpinsurecorrectcuredfilmthickness.Thisenablestheapplicationsystemtobesetupandfine-tunedpriortothecuringprocess.Inturn,thiswillreducetheamountofscrapandover-spray.Accuratepredictionshelpavoidstrippingandre-coatingwhichcancauseproblemswithadhesionandcoatingintegrity.Measurementsofcuredpowdercoatingthicknesscanbemadeusingdifferentmethodsdependinguponthesubstrate.Non-destructivemeasurementsovermetalsubstratescanbemadewithmagneticandeddycurrentcoatingthicknessgages(seePracticeD7091).Non-destructivemeasurementsovernon-metalsubstratescanbemadewithultrasoniccoatingthicknessgages(seeTestMethodD6132).Destructivemeasurementsoverrigidsubstratescanbemadewithcross-sectioninginstruments(seeTestMethodD4138).1.1Thispracticedescribesthethicknessmeasurementofdrycoatingpowdersappliedtoavarietyofsubstrates.Useofsomeoftheseproceduresmayrequirerepairofthecoatingpowder.Thispracticeisintendedtosupplementthemanufacturersinstructionsfortheoperationofthegagesandisnotintendedtoreplacethem.Itincludesdefinitionsofkeyterms,referencedocuments,thesignificanceanduseofthepractice,andtheadvantagesandlimitationsoftheinstruments.1.2Threeproceduresareprovidedformeasuringdrycoatingpowderthickness:1.2.1ProcedureA-Usingrigidmetalnotched(comb)gages.1.2.2ProcedureB-Usingmagneticoreddycurrentcoatingthicknessgages.1.2.3ProcedureC-Usingnon-contactultrasonicpowderthicknessinstruments.1.3Coatingpowdersgenerallydiminishinthicknessduringthecuringprocess.Theseproceduresthereforerequireareductionfactorbeestablishedtopredictcuredfilmthicknessofpowdercoatings.1.4ProcedureAandProcedureBmeasurethethickness(heightordepth)oftheappliedcoatingpowdersinthepre-cured,pre-gelledstate.Bycomparingresultstothemeasuredcuredpowderthicknessinthesamelocation,areductionfactorcanbedeterminedandappliedtofuturethicknessmeasurementsofthesamecoatingpowder.1.5ProcedureCresultsinapredictedthicknessvaluebasedonacalibrationfortypicalcoatingpowders.Ifthepowderinquestionisnottypicalthenacalibrationadjustmentcanbemadetoaligngagereadingswiththeactualcuredvaluesasdeterminedbyothermeasurementmethods.1.6ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:17_040_20
【页数】:5P.;A4
【正文语种】:
基本信息
标准名称: | 铁路桥隧建筑物劣化评定标准 墩台基础 |
中标分类: |
铁路 >>
铁路建筑设备 >>
桥涵与隧道构件 |
发布部门: | 中华人民共和国铁道部 |
发布日期: | 1999-02-13 |
实施日期: | 1999-09-01 |
首发日期: | |
作废日期: | |
主管部门: | 中国人民共和国铁道部 |
提出单位: | 铁路部标准计量研究所 |
归口单位: | 铁路部标准计量研究所 |
起草单位: | 铁路部科学研究院铁道建筑研究所 |
起草人: | 孙宁、董高红、胡大新 |
出版社: | 中国铁道出版社 |
出版日期: | 1999-09-01 |
页数: | 11页 |
适用范围
本标准规定了铁路桥梁墩台及基础的劣化类型、劣化等级和评定方法。
本标准适用于评定铁路桥梁墩台及基础的劣化状态,并作为采取养护措施的依据。
前言
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目录
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引用标准
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所属分类: 铁路 铁路建筑设备 桥涵与隧道构件