【英文标准名称】:StandardTestMethodforDeterminingTensilePropertiesofNonreinforcedPolyethyleneandNonreinforcedFlexiblePolypropyleneGeomembranes
【原文标准名称】:非增强聚乙烯和非增强柔性聚丙烯土工薄膜张力特性测定的标准试验方法
【标准号】:ASTMD6693-2004
【标准状态】:现行
【国别】:
【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】:D35.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验方法;聚乙烯;土工薄膜;柔性;特性;聚丙烯
【英文主题词】:nonreinforced;percentbreakelongation;percentyieldelongation;polyethylene;polypropylene;tensilebreakstrength;tensileyieldstrength
【摘要】:1.1Thistestmethodcoversthedeterminationofthetensilepropertiesofnonreinforcedgeomembranesintheformofstandarddumbbell-shapedtestspecimenswhentestedunderdefinedconditionsofpretreatment,temperatureandmachinespeed.1.2Thistestmethodcanbeusedfortestingmaterialsthicknessbetween0.25mm(0.010in)and6.3mm(0.25in.).Note18212;Thistestmethodisnotintendedtocoverprecisephysicalprocedures.Theconstantrateofcrossheadmovementofthistestlacksaccuracyfromatheoreticalstandpoint.Awidedifferencemayexistbetweentherateofcrossheadmovementandtherateofstrainofthespecimenindicatingthatthetestingspeedsspecifiedmaydisguiseimportanteffectsorcharacteristicsofthesematerialsintheplasticstate.Further,itisrealizedthatvariationsinthethicknessesoftestspecimen,aspermittedbythisteststandard,producevariationsinthesurface-volumeratiosofsuchspecimens,andthatthesevariationsmayinfluencethetestresults.Hence,wheredirectlycomparableresultsaredesired,allsamplesshouldbeofequalthickness.Specialadditionaltestsshouldbeusedwheremoreprecisephysicaldataareneeded.1.3Testdataobtainedbythistestmethodisrelevantandmaybeappropriateforuseinengineeringdesignwithconsiderationoftestconditionsascomparedtoin-serviceconditions.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.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】:5P.;A4
【正文语种】: