【英文标准名称】:StandardTestMethodsforParticle-SizeDistribution(Gradation)ofSoilsUsingSieveAnalysis
【原文标准名称】:使用筛分法测定粒度分布(粒级作用)的标准试验方法
【标准号】:ASTMD6913-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:D18.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:gradation;grainsize;particlesize;particle-sizedistribution;sieveanalysis;sieving;Gradation;Particleanalysis--soil;Particlesizedistribution;Sieveanalysis--soil/rock
【摘要】:ThegradationofthesoilisusedforclassificationinaccordancewithPracticeD2487.Thegradation(particle-sizedistribution)curveisusedtocalculatethecoefficientofuniformityandthecoefficientofcurvature.Selectionandacceptanceoffillmaterialsareoftenbasedongradation.Forexample,highwayembankments,backfills,andearthendamsmayhavegradationrequirements.Thegradationofthesoiloftencontrolsthedesignandqualitycontrolofdrainagefilters,andground-waterdrainage.Selectionofoptionsfordynamiccompactionandgroutingisrelatedtogradationofthesoil.Thegradationofasoilisanindicatorofengineeringproperties.Hydraulicconductivity,compressibility,andshearstrengtharerelatedtothegradationofthesoil.However,engineeringbehaviorisdependentuponmanyfactors(suchaseffectivestress,stresshistory,mineraltype,structure,plasticity,andgeologicorigins)andcannotbebasedsolelyupongradation.Note18212;Thequalityoftheresultproducedbythesetestmethodsisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/etc.UsersofthesetestmethodsarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Soilsconsistofparticleswithvariousshapesandsizes.Thistestmethodisusedtoseparateparticlesintosizerangesandtodeterminequantitativelythemassofparticlesineachrange.Thesedataarecombinedtodeterminetheparticle-sizedistribution(gradation).Thistestmethodusesasquareopeningsievecriterionindeterminingthegradationofsoilbetweenthe3-in.(75-mm)andNo.200(75-x00B5;m)sieves.1.2Theterms,soilsandmaterial,areusedinterchangeablythroughoutthestandard.1.3Incaseswherethegradationofparticleslargerthan3in.(75mm)sieveisrequired,TestMethodD5519maybeused.1.4IncaseswherethegradationofparticlessmallerthanNo.200(75-x00B5;m)sieveisrequired,TestMethodD422maybeused.1.5Typically,ifthemaximumparticlesizeisequaltoorlessthan4.75mm(No.4sieve),thensingle-setsievingisapplicable.Furthermore,ifthemaximumparticlesizeisgreaterthan4.75mm(No.4sieve)andequaltoorlessthan9.5mm(3/8-insieve),theneithersingle-setsievingorcompositesievingisapplicable.Finally,ifthemaximumparticlesizeisequaltoorgreaterthan19.0mm(3/4-insieve),compositesievingisapplicable.Forspecialconditionssee10.3.1.6Twotestmethodsareprovidedinthisstandard.Themethodsdifferinthesignificantdigitsrecordedandthesizeofthespecimen(mass)required.Themethodtobeusedmaybespecifiedbytherequestingauthority;otherwiseMethodAshallbeperformed.1.6.1MethodA8212;Thepercentage(bymass)passingeachsievesizeisrecordedtothenearest1%.Thismethodmustbeusedwhenperformingcompositesieving.Forcasesofdisputes,MethodAistherefereemethod.1.6.2MethodB8212;Thepercentage(bymass)passingeachsievesizeisrecorded......
【中国标准分类号】:A42
【国际标准分类号】:13_080_20
【页数】:34P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 碳素结构钢和低合金结构钢冷轧薄钢板及钢带 |
| 英文名称： | Cold-rolled plain carbon and low alloy structural steel sheets and strips |
| 中标分类： |
冶金 >>
钢铁产品 >>
钢板、钢带 |
| ICS分类： |
冶金 >>
钢铁产品 >>
扁平钢和半成品
|
| 替代情况： | 替代GB 912-1982部分;被GB/T 11253-2007代替 |
| 发布部门： | 中华人民共和国冶金工业留 |
| 发布日期： | 1989-02-16 |
| 实施日期： | 1990-01-01 |
| 首发日期： | 1989-03-31 |
| 作废日期： | 2008-04-01 |
| 主管部门： | 中国钢铁工业协会 |
| 提出单位： | 冶金工业部情报标准研究总所 |
| 归口单位： | 全国钢标准化技术委员会 |
| 起草单位： | 鞍山钢铁公司 |
| 起草人： | 王惠范、王家启、唐一凡 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 1900-01-01 |
| 页数： | 5页 |
适用范围
本标准规定了碳素结构钢和低合金结构钢冷轧薄钢板及钢带尺寸，外形，技术要求，试验方法，检验规则等。
本标准适用于厚度不大于4m m的碳素结构钢和低合金结构钢的冷轧钢板及钢带，也包括由钥带纵剪的窄钢带.
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所属分类： 冶金 钢铁产品 钢板 钢带 冶金 钢铁产品 扁平钢和半成品