【英文标准名称】:High-strengthstructuralboltingassembliesforpreloading-Part9:SystemHRorHV-Directtensionindicatorsforboltandnutassemblies;EnglishversionofDINEN14399-9:2009-07
【原文标准名称】:预加负荷用高强度结构螺栓组件.第9部分:HR或HV系统.螺栓和螺母总成的直接张力指示器.英文版本DINEN14399-9-2009-07
【标准号】:DINEN14399-9-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-07
【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】:验收规范;附件;合金钢;螺栓连接件;压力荷载;合格;建筑;交货条件;名称与符号;尺寸规格;外螺纹紧固件;紧固件;功能特性;六角头螺钉;六角螺母;高抗拉;高张力螺栓;高强度钢;制造;作标记;材料;机械连接;机械性能;材料的机械性能;螺母;物理性能;预应力的;生产;性能;螺钉;规范(验收);钢;强度等级;结构金属加工;钢结构作业;张力指标;试验设备;试验;螺纹;维氏硬度;垫圈;
【英文主题词】:Acceptancespecification;Accessories;Alloysteels;Boltedjoints;Compressionloading;Conformity;Construction;Deliveryconditions;Designations;Dimensions;External-threadfasteners;Fasteners;Functionalproperties;Hexagonheadscrews;Hexagonnuts;Hightensile;Hightensilebolts;High-tensilesteels;Manufacturing;Marking;Materials;Mechanicallinkages;Mechanicalproperties;Mechanicalpropertiesofmaterials;Nuts;Physicalproperties;Prestressed;Production;Properties;Screws(bolts);Specification(approval);Steels;Strengthclass;Structuralmetalwork;Structuralsteelwork;Tensionindicators;Testequipment;Testing;Threads;Vickershardness;Washers
【摘要】:Thisdocumentspecifies,togetherwithEN14399-1,therequirementsforassembliesofhigh-strengthstructuralboltsandnuts,withlargewidthacrossfiats,ofsystemHRorHV,includingtherequirementsforthegeneraldimensions,tolerances,materialsandperformancefortwogrades,H8andH10,ofcompressiblewasher-typedirecttensionindicators,nutfacewashersandboltfacewasherssuitableforpreloadedjoints.TheassembliesincludethenominalthreadsizesM12uptoandincludingM36andpropertyclasses8.8/8,8.8/10and10.9/10.Boltandnutassembliestothisdocumenthavebeendesignedtoallowpreloadingofatleast0,7fxAaccordingtoEN1993-1-8:2005(Eurocode3)andtoobtainductilitypredominantlybyplasticelongationoftheboltforsystemHRaccordingtoEN14399-3orbyplasticdeformationoftheengagedthreadsforsystemHVaccordingtoEN14399-4;alsocountersunkandfitboltsaccordingtoEN14399-7and-8respectively.Boltandnutassembliesconformingtothisdocumentmayincludewasher(s)accordingtoEN14399-6ortoEN14399-5(underthenutonly).Thepurposeofthedirecttensionindicatorsistoshowthatadefinedpreloadisachievedinthebolt.Thedirecttensionindicatorcanbeusedaloneorwithboltfacewashersornutfacewashersconformingtothisstandard.IneithercaseitisessentialthatthedirecttensionindicatorsareusedaspartofanassemblyinaccordancewithEN14399-1.TocomplywithEN14399-1,itisessentialthattheassembliesaresuppliedbyonemanufacturerandincludebolts,nuts,washersanddirecttensionindicators.NOTE1Attentionisdrawntotheimportanceofensuringthattheassembliesarecorrectlyusedifsatisfactoryresultsaretobeobtained.ThetestmethodforsuitabilityforpreloadingisspecifiedinEN14399-2andsupplementedbyClause5Guidanceontheuseofcompressiblewasher-typedirecttensionindicatorsisgiveninEN1090-2NOTE2Compressiblewasher-typedirecttensionindicatorsarealsoknownasloadindicatingwashers
【中国标准分类号】:J13
【国际标准分类号】:21_060_01
【页数】:25P.;A4
【正文语种】:英语