ASTM D6818-2002 草皮加强网基本拉伸特性的标准试验方法

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【英文标准名称】:StandardTestMethodforUltimateTensilePropertiesofTurfReinforcementMats
【原文标准名称】:草皮加强网基本拉伸特性的标准试验方法
【标准号】:ASTMD6818-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D35.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:breakingforce;elongation;turfreinforcementmat
【摘要】:ThestriptestinthistestmethodisconsideredsatisfactoryforacceptancetestingofcommercialshipmentsofTurfReinforcementMatssincethemethodhasbeenusedextensivelyinthetradeforacceptancetesting.5.1.1Incaseofdisagreementarisingfromdifferencesinreportedtestvalueswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisstatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimenwhichareashomogeneousaspossibleandarefromalotofmaterialofthetypeinquestion.Thetestspecimenshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent’t-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforetestingisbegun.Ifbiasisfound,eitheritscausemustbefoundandcorrected,orthepurchaserandthesuppliermustagreetointerpretfutureresultsinthelightoftheknownbias.1.1ThistestmethodcoversstriptestproceduresfordeterminingthetensilepropertiesofTurfReinforcementMats(TRM).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationpurposesonly.1.3ThisstandarddoesnotapplytoTRM'smadeofcompositematerialswherethecomponentprovidingthereinforcementcannotbetestedfortensilestrengthwiththeprocedurehereindescribed.Inthiscase,theestablishedASTMtestingmethod,whichismostappropriateforthatmaterial,shallbeusedinstead.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q87
【国际标准分类号】:83_120
【页数】:3P.;A4
【正文语种】: