EN ISO 11124-2-1997 涂覆前钢表面准备.金属喷丸材料要求.第2部分:冷硬铸铁砂粒
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【英文标准名称】:Preparationofsteelsubstratesbeforeapplicationofpaintsandrelatedproducts-Specificationsformetallicblast-cleaningabrasives-Part2:Chilled-irongrit(ISO11124-2:1993);GermanversionENISO11124-2:1997
【原文标准名称】:涂覆前钢表面准备.金属喷丸材料要求.第2部分:冷硬铸铁砂粒
【标准号】:ENISO11124-2-1997
【标准状态】:现行
【国别】:
【发布日期】:1997-10
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:磨料;特性;金属的;衬底(绝缘);规范(验收);钢产品;化学成分;清漆;密度;钢;涂料;硬度;表面;涂层材料;缺陷与故障;定义;喷砂清理;铸钢;白口铁;粒度
【英文主题词】:Abrasives;Blast-cleaning;Caststeels;Chemicalcomposition;Coatingmaterials;Defects;Definition;Definitions;Density;Grainsize;Hardness;Metallic;Paints;Properties;Specification(approval);Steelproducts;Steels;Substrates(insulating);Surfaces;Varnishes;Whitecastiron
【摘要】:
【中国标准分类号】:A29
【国际标准分类号】:25_220_10
【页数】:9P.;A4
【正文语种】:英语
【英文标准名称】:Completefilterunitsforradiointerferencesuppression-Part2-2:Blankdetailspecification-Passivefilterunitsforelectromagneticinterferencesuppression-Filtersforwhichsafetytestsarerequired(Safetytestsonly)(IEC60939-2-2:2004);Germ
【原文标准名称】:抑制无线电干扰用整套滤波装置.第2-2部分:空白详细规范.抑制电磁干扰用无源过滤装置.要求安全试验的过滤器(只用于安全试验)
【标准号】:EN60939-2-2-2004
【标准状态】:现行
【国别】:
【发布日期】:2005-08
【实施或试行日期】:2005-08-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:过滤器;无线电设备;电磁试验;规范(验收);空白格式;安全;特性;质量;无源;试验条件;控制图;安全试验;质量评定系统;抑制;元部件;详细规范;质量保证体系;无源滤波器;型式;电磁干扰;干扰;规范;认可标记;滤波器元件;电子设备及元件;电气工程;电子工程;干扰抑制;试验;电磁兼容性
【英文主题词】:Approvalmarks;Blankforms;Components;Controlcharts;Detailspecification;Electricalengineering;Electromagneticcompatibility;Electromagneticinterferences;Electromagnetictests;Electronicengineering;Electronicequipmentandcomponents;EMC;Filterelements;Filters;Interferencesuppression;Interference(wavephysics);Passive;Passivefilters;Properties;Quality;Qualityassessmentsystems;Qualityassurancesystems;Radioplants;Safety;Safetytests;Specification;Specification(approval);Suppression;Testing;Testingconditions;Types
【摘要】:
【中国标准分类号】:L18
【国际标准分类号】:31_160
【页数】:15P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforCreepofConcreteinCompression
【原文标准名称】:受压中混凝土蠕变的标准试验方法
【标准号】:ASTMC512/C512M-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:C09.61
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:压缩;混凝土;蠕变;蠕变应力;弹性应变
【英文主题词】:compression;concrete;creep;creepstrain;elasticstrain
【摘要】:Thistestmethodmeasurestheload-inducedtime-dependentcompressivestrainatselectedagesforconcreteunderanarbitrarysetofcontrolledenvironmentalconditions.Thistestmethodcanbeusedtocomparecreeppotentialsofdifferentconcretes.Aprocedureisavailable,usingthedevelopedequation(orgraphicalplot),forcalculatingstressfromstraindatawithinmassivenon-reinforcedconcretestructures.Formostspecificdesignapplications,thetestconditionssetforthhereinmustbemodifiedtomorecloselysimulatetheanticipatedcuring,thermal,exposure,andloadingageconditionsfortheprototypestructure.CurrenttheoriesandeffectsofmaterialandenvironmentalparametersarepresentedinACISP-9,SymposiumonCreepofConcrete.Intheabsenceofasatisfactoryhypothesisgoverningcreepphenomena,anumberofassumptionshavebeendevelopedthathavebeengenerallysubstantiatedbytestandexperience.Creepisproportionaltostressfrom0to40%ofconcretecompressivestrength.Creephasbeenconclusivelyshowntobedirectlyproportionaltopastecontentthroughouttherangeofpastecontentsnormallyusedinconcrete.Thus,thecreepcharacteristicsofconcretemixturescontainingaggregateofmaximumsizegreaterthan50mm[2in.]maybedeterminedfromthecreepcharacteristicsoftheminus50-mm[minus2-in.]fractionobtainedbywet-sieving.Multiplythevalueofthecharacteristicbytheratioofthecementpastecontent(proportionbyvolume)inthefullconcretemixturetothepastecontentofthesievedsample.Theuseofthelogarithmicexpression(Section8)doesnotimplythatthecreepstrain-timerelationshipisnecessarilyanexactlogarithmicfunction;however,fortheperiodofoneyear,theexpressionapproximatesnormalcreepbehaviorwithsufficientaccuracytomakepossiblethecalculationofparametersthatareusefulforthepurposeofcomparingconcretes.Therearenodatathatwouldsupporttheextrapolationoftheresultsofthistesttotensionortorsion.1.1Thistestmethodcoversthedeterminationofthecreepofmoldedconcretecylinderssubjectedtosustainedlongitudinalcompressiveload.Thistestmethodislimitedtoconcreteinwhichthemaximumaggregatesizedoesnotexceed50mm[2in.].1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:5P.;A4
【正文语种】:
