ASTM D5887-2009 使用可变形墙式渗透计测量透过饱和土工合成织物粘土衬垫样品指数通量测量的标准试验方法
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【英文标准名称】:StandardTestMethodforMeasurementofIndexFluxThroughSaturatedGeosyntheticClayLinerSpecimensUsingaFlexibleWallPermeameter
【原文标准名称】:使用可变形墙式渗透计测量透过饱和土工合成织物粘土衬垫样品指数通量测量的标准试验方法
【标准号】:ASTMD5887-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D35.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:flux;geosyntheticclayliner;hydraulicbarrier;permeameter;Flux;Geosyntheticclayliner(GCL);Geosynthetics;Hydraulicbarrier;Indexflux;Permeameters
【摘要】:ThistestmethodyieldsthefluxofwaterthroughasaturatedGCLspecimenthatisconsolidated,hydrated,andpermeatedunderaprescribedsetofconditions.ThistestmethodcanbeperformedtodetermineifthefluxofaGCLspecimenexceedsthemaximumvaluestatedbythemanufacturer.ThistestmethodcanbeusedtodeterminethevariationinfluxwithinasampleofGCLbytestinganumberofdifferentspecimens.Thistestmethoddoesnotprovideafluxvaluetobeuseddirectlyindesigncalculations.Note18212;Fluxforin-serviceconditionsdependsonanumberoffactors,includingconfiningpressure,typeofhydrationfluid,degreeofhydration,degreeofsaturation,typeofpermeatingfluid,andhydraulicgradient.CorrelationbetweenfluxvaluesobtainedwiththistestmethodandfluxthroughGCLssubjectedtoin-serviceconditionshasnotbeenfullyinvestigated.Thistestmethoddoesnotprovideavalueofhydraulicconductivity.Althoughhydraulicconductivitycanbedeterminedinamannersimilartothemethoddescribedinthistestmethod,thethicknessofthespecimenisneededtocalculatehydraulicconductivity.ThistestmethoddoesnotincludeproceduresformeasuringthethicknessoftheGCLnoroftheclaycomponentwithintheGCL.Theapparatususedinthistestmethodiscommonlyusedtodeterminethehydraulicconductivityofsoilspecimens.However,fluxvaluesmeasuredinthistestaretypicallymuchlowerthanthosecommonlymeasuredformostnaturalsoils.Itisessentialthattheleakagerateoftheapparatususedinthistestbelessthan10%oftheflux.1.1Thistestmethodcoversanindextestthatcoverslaboratorymeasurementoffluxthroughsaturatedgeosyntheticclayliner(GCL)specimensusingaflexiblewallpermeameter.1.2ThistestmethodisapplicabletoGCLproductshavinggeotextilebacking(s).ItisnotapplicabletoGCLproductswithgeomembranebacking(s),geofilmbacking(s)orpolymercoatingbacking(s).1.3Thistestmethodprovidesameasurementoffluxunderaprescribedsetofconditionsthatcanbeusedformanufacturingqualitycontrol.Thetestmethodcanalsobeusedtocheckconformance.Thefluxvaluedeterminedusingthistestmethodisnotconsideredtoberepresentativeofthein-servicefluxofGCLs.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard,unlessotherunitsarespecificallygiven.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】:7P.;A4
【正文语种】:英语
【原文标准名称】:使用可变形墙式渗透计测量透过饱和土工合成织物粘土衬垫样品指数通量测量的标准试验方法
【标准号】:ASTMD5887-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D35.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:flux;geosyntheticclayliner;hydraulicbarrier;permeameter;Flux;Geosyntheticclayliner(GCL);Geosynthetics;Hydraulicbarrier;Indexflux;Permeameters
【摘要】:ThistestmethodyieldsthefluxofwaterthroughasaturatedGCLspecimenthatisconsolidated,hydrated,andpermeatedunderaprescribedsetofconditions.ThistestmethodcanbeperformedtodetermineifthefluxofaGCLspecimenexceedsthemaximumvaluestatedbythemanufacturer.ThistestmethodcanbeusedtodeterminethevariationinfluxwithinasampleofGCLbytestinganumberofdifferentspecimens.Thistestmethoddoesnotprovideafluxvaluetobeuseddirectlyindesigncalculations.Note18212;Fluxforin-serviceconditionsdependsonanumberoffactors,includingconfiningpressure,typeofhydrationfluid,degreeofhydration,degreeofsaturation,typeofpermeatingfluid,andhydraulicgradient.CorrelationbetweenfluxvaluesobtainedwiththistestmethodandfluxthroughGCLssubjectedtoin-serviceconditionshasnotbeenfullyinvestigated.Thistestmethoddoesnotprovideavalueofhydraulicconductivity.Althoughhydraulicconductivitycanbedeterminedinamannersimilartothemethoddescribedinthistestmethod,thethicknessofthespecimenisneededtocalculatehydraulicconductivity.ThistestmethoddoesnotincludeproceduresformeasuringthethicknessoftheGCLnoroftheclaycomponentwithintheGCL.Theapparatususedinthistestmethodiscommonlyusedtodeterminethehydraulicconductivityofsoilspecimens.However,fluxvaluesmeasuredinthistestaretypicallymuchlowerthanthosecommonlymeasuredformostnaturalsoils.Itisessentialthattheleakagerateoftheapparatususedinthistestbelessthan10%oftheflux.1.1Thistestmethodcoversanindextestthatcoverslaboratorymeasurementoffluxthroughsaturatedgeosyntheticclayliner(GCL)specimensusingaflexiblewallpermeameter.1.2ThistestmethodisapplicabletoGCLproductshavinggeotextilebacking(s).ItisnotapplicabletoGCLproductswithgeomembranebacking(s),geofilmbacking(s)orpolymercoatingbacking(s).1.3Thistestmethodprovidesameasurementoffluxunderaprescribedsetofconditionsthatcanbeusedformanufacturingqualitycontrol.Thetestmethodcanalsobeusedtocheckconformance.Thefluxvaluedeterminedusingthistestmethodisnotconsideredtoberepresentativeofthein-servicefluxofGCLs.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard,unlessotherunitsarespecificallygiven.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】:7P.;A4
【正文语种】:英语
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