DIN 1053-100-2004 砖石工程.第100部分:基于半随机安全概念的设计

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【英文标准名称】:Masonry-Part100:Designonthebasisofsemi-probabilisticsafetyconcept
【原文标准名称】:砖石工程.第100部分:基于半随机安全概念的设计
【标准号】:DIN1053-100-2004
【标准状态】:作废
【国别】:德国
【发布日期】:2004-08
【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】:尺寸选定;施工材料;组件;开孔(建筑);数学计算;砖石工程;荷载能力;建筑;规范(验收);性能试验;根据方法的砖石工程;试验;应力;监督(认可);安全;效应;灰浆;设计;抗压强度;建筑系统构件;检验
【英文主题词】:
【摘要】:
【中国标准分类号】:P24
【国际标准分类号】:91_080_30
【页数】:39P;A4
【正文语种】:德语


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【英文标准名称】:WirelessFeatures:ShortMessageDeliveryPoint-to-PointBearerService
【原文标准名称】:无线电特征:短信息传输点对点承载业务
【标准号】:ANSI/TIA/EIA664-601-A-2000
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:移动无线电通信系统;无线电工程;电信
【英文主题词】:mobileradiosystems;radioengineering;telecommunications
【摘要】:ThisstandardpresentsarecommendedplanfortheimplementationofUniformFeaturesforuseintheWirelessRadiotelephoneService
【中国标准分类号】:M11
【国际标准分类号】:33_070_50
【页数】:
【正文语种】:英语


【英文标准名称】:StandardPracticeforElectromagnetic(Eddy-Current)ExaminationofCopperandCopper-AlloyTubes
【原文标准名称】:铜及铜合金管的电磁(涡流)检验
【标准号】:ASTME243-1997(2004)e1
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:E07.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:金属;无缝管;铜合金;工艺;涡流试验;电磁试验;有色金属;有色金属;无损检验;铜;合金;试验;管
【英文主题词】:electromagnetic(eddycurrent)testing;NDT;nondestructivetesting;copper;tubing
【摘要】:Eddy-currentexaminationisanondestructivemethodoflocatingdiscontinuitiesinaproduct.Signalscanbeproducedbydiscontinuitieslocatedeitherontheexternalorinternalsurfaceofthetubeorbydiscontinuitiestotallycontainedwithinthewalls.Sincethedensityofeddycurrentsdecreasesnearlyexponentiallyasthedistancefromtheexternalsurfaceincreases,theresponsetodeep-seateddefectsdecreases.Someindicationsobtainedbythismethodmaynotberelevanttoproductquality;forexample,arejectsignalmaybecausedbyminutedentsortoolchattermarksthatarenotdetrimentaltotheenduseoftheproduct.Irrelevantindicationscanmaskunacceptablediscontinuities.Relevantindicationsarethosewhichresultfromnonacceptablediscontinuities.Anyindicationabovetherejectlevelthatisbelievedtobeirrelevantshallberegardedasunacceptableuntilitisdemonstratedbyre-examinationorothermeanstobeirrelevant(see10.3.2).Eddy-currentexaminationsystemsaregenerallynotsensitivetodiscontinuitiesadjacenttotheendsofthetube(endeffect).On-lineeddy-currentexaminingwouldnotbesubjecttoendeffect.Discontinuitiessuchasscratchesorseamsthatarecontinuousanduniformforthefulllengthofthetubemaynotalwaysbedetected.1.1Thispracticecoverstheproceduresthatshallbefollowedineddy-currentexaminationofcopperandcopper-alloytubesfordetectingdiscontinuitiesofaseveritylikelytocausefailureofthetube.Theseproceduresareapplicablefortubeswithoutsidediametersto31/8in.(79.4mm),inclusive,andwallthicknessesfrom0.017in.(0.432mm)to0.120in.(3.04mm),inclusive,orasotherwisestatedinASTMproductspecifications;orbyotherusersofthispractice.Theseproceduresmaybeusedfortubesbeyondthesizerangerecommended,uponcontractualagreementbetweenthepurchaserandthemanufacturer.1.2Theproceduresdescribedinthispracticearebasedonmethodsmakinguseofencirclingannulartestcoilsystems.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Note1-Thispracticemaybeusedasaguidelinefortheexamination,bymeansofinternalprobetestcoilsystems,ofinstallationsusingtubularproductswheretheoutersurfaceofthetubeisnotaccessible.Forsuchapplications,thetechnicaldifferencesassociatedwiththeuseofinternalprobecoilsshouldberecognizedandaccommodated.Theeffectofforeignmaterialsonthetubesurfaceandsignalsduetotubesupportsaretypicalofthefactorsthatmustbeconsidered.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:23_040_15(NON-FERROUSMETALPIPES)
【页数】:5P.;A4
【正文语种】: