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【英文标准名称】:StandardTestMethodsforParticleSizeAnalysisofNaturalandMan-MadeRiprapMaterials
【原文标准名称】:天然和人工粗石材料粒径分析标准试验方法
【标准号】:ASTMD5519-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D18.17
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:过滤器;分等级;人类;质量;粒子分析;粒度;粒径分析;尺寸;板层;土壤;试验
【英文主题词】:armorstone;filterbeddingstone;filtermaterial;gradation;riprap;slab
【摘要】:Riprapiscommonlyusedtopreventerosionofunderlyingmaterialsduetotheeffectsofrainrunoff,wind,flowingwater,orwaveaction.Theparticlesizedistribution(massofparticles)isanimportantphysicalcharacteristicofriprap,asdiscussedinD6825.Thesetestmethodsprovideagradationofthematerialgraphicallyrepresentedaspercentfinerthantheparticlemass.Ifagradationcanbeestablishedoracceptedonthebasisofonlymaximumandminimumparticlesizes,thenitmaynotbenecessarytoestablishthecompletegradationinaccordancewiththesetestmethods.Thesetestmethodscanbeusedduringevaluationofapotentialsource,asameansofproductacceptance,orforassessmentofexistinginstallations.MethodDisnotrecommendedasameansofproductacceptance.Othercharacteristicsofinterest,suchasparticleshape,particleangularity,orvisuallyevidentrockdurabilitycharacteristicsmaybedeterminedduringtheperformanceofthesetestmethods.Interpretationoftestresultsmustconsidertherepresentativenessofthesample.Note28212;TheagencyperformingthesetestmethodscanbeevaluatedinaccordancewithPracticeD3740.Notwithstandingstatementsonprecisionandbiascontainedinthesetestmethods:Theprecisionofthesetestmethodsisdependentonthecompetenceofthepersonnelperformingitandthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting.UsersofthesetestmethodsarecautionedthatcompliancewithPracticeD3740doesnotinitselfensurereliabletesting.Reliabletestingdependsonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Thesetestmethodscovertheparticlesizeandmassanalysisofnaturalandman-maderiprapandrelatedmaterials,includingfilterstoneorcoarsebeddingmaterials.1.2Thesetestmethodsaregenerallyintendedforriprapandrelatedmaterials.Theyareapplicableformixturesofstonesscreenedfromnaturaldeposits,blastrock,processedmaterialsfromquarriedrock,orrecycledconcrete.Theyareapplicableforsizes3in.(75mm)andabove,withtheuppersizelimitedonlybyequipmentavailableforhandlingandweighingtheindividualparticles.1.3Fouralternateproceduresareprovided.Thereisawiderangeinthelevelofeffortandtheprecisionofthetestprocedures.Itisimportantforspecifierstoindicatethetestprocedure.Testreportsshouldclearlyindicatewhichprocedurewasused.Note1Whileconductingthesetestmethods,itmaybeconvenienttocollectdataonotherattributes,suchastheamountofslabpiecesanddeleteriousmaterials.1.4AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD60261.5Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Themetricequivalentsofinch-poundunitsgiveninparenthesesmaybeapproximate.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection7.
【中国标准分类号】:D50;A42
【国际标准分类号】:19_120
【页数】:10P.;A4
【正文语种】: