ASTM D6767-2002 用毛细管流量试验测定纺织物的标准试验方法

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【英文标准名称】:StandardTestMethodforPoreSizeCharacteristicsofGeotextilesbyCapillaryFlowTest
【原文标准名称】:用毛细管流量试验测定纺织物的标准试验方法
【标准号】:ASTMD6767-2002
【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】:D35.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:pore;geotextile;filters
【摘要】:Thistestmethodmaybeusedto:5.1.1Determinetheporesizedistributionofageotextile,5.1.2Determinethemaximumporesizeofageotextile,5.1.3Determinethemeanflowporesizeofageotextile,5.1.4Determinetheeffectofprocessessuchascalenderingorneedlepunchingupontheporesizedistribution,5.1.5Determinetheeffectofcompressionupontheporesizedistributionofageotextile,and5.1.6Determinethegasflowrateofageotextile,andtherebyitsgasflowcapability.Theporesizedistributiontestissignificantnotonlyforindicatingporesizes,butmayalsoindicateadamaged,contaminated,orcloggedgeotextile.1.1Thistestmethodcoversthedeterminationoftheporesizedistributionofgeotextilefilterswithporesizesrangingfrom1to500m.Note18212;Theaccuracyofthisprocedurehasbeenverifieduptoamaximumporesizeof200m.Abovethisvalueaccuracyhasbeenfoundtobeequipmentdependentandshouldbeverifiedbytheuserthroughchecksonmaterialswithknownopeningsizes.1.2Thetestmethodmeasurestheentireporesizedistributionintermsofasurfaceanalysisofspecifiedporesizesinageotextile,definedintermsofthelimitingdiameters.1.3TheanalystshouldbeawarethatadequatecollaborativedataforbiasstatementsasrequiredbyPracticeD2777isnotprovided.Seetheprecisionandbiassectionfordetails.1.4Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W04
【国际标准分类号】:59_080_70
【页数】:6P.;A4
【正文语种】: