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标准名称：	捆草机用剑麻捆绳
中标分类：	农业、林业 >> 农、林机械与设备 >> 农机具
发布日期：
实施日期：	1991-01-01
首发日期：
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【英文标准名称】:StandardTestMethodforIndexPunctureResistanceofGeomembranesandRelatedProducts
【原文标准名称】:土工膜及其有关制品的抗击穿系数的标准试验方法
【标准号】:ASTMD4833-2007
【标准状态】:现行
【国别】:美国
【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】:D35.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:geomembranes;puncture;punctureresistance;Geomembranes;Geosynthetics;Indexpunctureresistance;Puncturetesting
【摘要】:Thistestmethodisanindextestfordeterminingthepunctureresistanceofgeomembranesandrelatedproducts.Theuseofthistestmethodistoestablishanindexvaluebyprovidingstandardcriteriaandabasisforuniformreporting.Thistestmethodisconsideredsatisfactoryforacceptancetestingofcommercialshipmentsofgeomembranesandrelatedmaterialssincethetestmethodhasbeenusedextensivelyinthetradeforacceptancetesting.Incaseofadisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatarefromalotmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent''st-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforethetestingisbegun.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinthelightoftheknownbias.1.1Thistestmethodisusedtomeasuretheindexpunctureresistanceofgeomembranesandrelatedproducts.1.2TheuseofTestMethodD4833maybeinappropriatefortestingsomewovengeotextilesorrelatedproductswhichhavelargeopenings,suchasgeonetsandgeogrids.1.3ItisrecommendedthatgeotextileandgeotextilerelatedproductsbetestedusingTestMethodD6241.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesprovidedininch-poundunitsareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:4P.;A4
【正文语种】:英语