【英文标准名称】:Steelforthereinforcementofconcrete-Weldablereinforcingsteel-Bar,coilanddecoiledproduct-Specification
【原文标准名称】:混凝土增强钢.可焊增强钢.棒材、卷材和开卷产品.规范
【标准号】:BS4449-2005
【标准状态】:作废
【国别】:英国
【发布日期】:2005-09-30
【实施或试行日期】:2006-01-01
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:面积;面积测量;棒材;弯曲试验;认证(认可);化学成分;成份允差;混凝土;尺寸公差;尺寸;延伸;疲劳试验;等级(质量);检验;作标记;质量(物质);性能测试;优先尺寸;拨拉试验;质量控制;加筋混凝土;加强材料;钢筋;反向弯曲试验;抽样方法;循环的;大小;试样制备;统计质量控制;钢;结构钢;抗拉强度;拉伸测试;试验设备;非合金钢;验证;可焊性
【英文主题词】:area;areameasurement;bars(materials);bendtesting;certification(approval);chemicalcomposition;compositionaltolerances;concretes;dimensionaltolerances;dimensions;elongation;fatiguetesting;grades(quality);inspection;marking;mass;performancetesting;preferredsizes;pull-outtests;qualitycontrol;reinforcedconcrete;reinforcingmaterials;reinforcingsteels;reverse-bendtests;samplingmethods;size;specimenpreparation;statisticalqualitycontrol;steels;structuralsteels;tensilestrength;tensiletesting;testequipment;unalloyedsteels;verification;weldability
【摘要】:ThisBritishStandardspecifiesrequirementsforribbedweldablereinforcing;steelusedforthereinforcementofconcretestructures.Thestandardcoverssteeldeliveredintheformofbars,coilsanddecoiledproducts.Thestandardcontainsprovisionsforthreesteelgrades,allof500MPacharacteristicyieldstrength,butwithdifferentductilitycharacteristics.ThethreegradesareB500A.B500BandB500C.Theweldabilityrequirementsforallgradesofsteelarespecifiedintermsofthechemicalcomposition,andinparticularthecarbonequivalentvalue.Steelbarsproducedbyre-rollingfinishedproducts,orbyrollingmaterialofwhichthemetallurgicalhistoryisnotfullydocumentedornotknown,arenotcoveredbythisBritishStandard.NOTEFlashweldsinlengthsofbararepermissibleunderthisstandard,providedallthemechanicalrequirementsaremet.However,forsomepurposes,purchasersmightspecificallyrequirebarswithoutflashwelds,andifsothisoughttobestatedatthetimeofenquiryand/ororder.
【中国标准分类号】:Q73
【国际标准分类号】:77_140_15;91_080_40
【页数】:34P.;A4
【正文语种】:英语