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【英文标准名称】:StandardTestMethodforMeasuringCoreThicknessofTexturedGeomembrane
【原文标准名称】:糙面土工膜的芯厚度测量的标准试验方法
【标准号】:ASTMD5994-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:
【英文主题词】:geomembrane;geosynthetics;texturedgeomembrane;thickness;Thickness--geosynthetics;Corethickness;Geomembranes;Texturedgeomembranes
【摘要】:Thicknessisoneofthebasicindexpropertiesusedtocontrolandtrackthequalityofmanygeomembranes.Additionally,manymechanicalproperties(forexample,tensileyieldstrength,puncturestrength,etc.)canberelatedtocorethickness.Corethicknessvaluesmayalsoberequiredincalculationofsomeparameterssuchasdiffusioncoefficientsortensilestresses.Themeasuredcorethicknessofgeomembranesmayvaryconsiderablydependingonthepressureappliedtothespecimenduringmeasurement.Toreducevariationinmeasurementsandthechanceofunrealisticallylowvaluesduetoexcessivelyhighpressures,aspecificgaugepointgeometryandappliedforceareprescribedinthistestmethod.Thetestmethodisapplicabletoallcommonlyavailabletexturedgeomembranesthataredeployedasmanufacturedgeomembranesheets.1.1Thistestmethodcoversaproceduretomeasurethecorethicknessoftexturedgeomembranes.1.2Thistestmethoddoesnotprovidethicknessvaluesforgeomembranesundervariablenormalstresses.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Theinch-poundvaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G32
【国际标准分类号】:59_080_70
【页数】:4P.;A4
【正文语种】:英语