ASTM D5820-1995(2006) 双缝土工薄膜加压气道评定的标准实施规程
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【英文标准名称】:StandardPracticeforPressurizedAirChannelEvaluationofDualSeamedGeomembranes
【原文标准名称】:双缝土工薄膜加压气道评定的标准实施规程
【标准号】:ASTMD5820-1995(2006)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:(Practice)
【标准水平】:()
【中文主题词】:气道评定;无损鉴定;实施规程;双缝土工薄膜;平行土工薄膜;加压气道评定;未焊接气道;有关材料;土工薄膜;土壤;岩石
【英文主题词】:
【摘要】:Theincreaseduseofgeomembranesasbarriermaterialstorestrictliquidorgasmovement,andthecommonuseofdualtrackseamsinjoiningthesesheets,hascreatedaneedforastandardnondestructivetestbywhichthequalityoftheseamscanbeassessedforcontinuityandwatertightness.Thetestisnotintendedtoprovideanyindicationofthephysicalstrengthoftheseam.Thispracticerecommendsanairpressuretestwithinthechannelcreatedbetweendualseamedtrackswherebythepresenceofunbondedsectionsorchannels,voids,nonhomogenities,discontinuities,foreignobjects,andthelike,intheseamedregioncanbeidentified.Thistechniqueisintendedforuseonseamsbetweengeomembranesheetsformulatedfromtheappropriatepolymersandcompoundingingredientstoformaplasticorelastomersheetmaterialthatmeetsallspecifiedrequirementsfortheenduseoftheproduct.1.1Thepracticecoversanondestructiveevaluationofthecontinuityofparallelgeomembraneseamsseparatedbyanunweldedairchannel.Theunweldedairchannelbetweenthetwodistinctseamedregionsissealedregionsissealedandinflatedwithairtoapredeterminedpressure.Longlengthsofseamcanbeevaluatedbythispracticemorequicklythanbyothercommonnondestructivetests.1.2Thispracticeshouldnotbeusedasasubstitutefordestructivetesting.Usedinconjunctionwithdestructivetesting,thismethodcanprovideadditionalinformationregardingtheseamsundergoingtesting.1.3ThispracticesupercedesPracticeD4437forgeomembraneseamsthatincludeanairchannel.PracticeD4437maycontinuetobeusedforothertypesofseams.Theuserisreferredtothereferencedstandards,ortoEPA/530/SW-91/051foradditionalinformationregardinggeomembraneseamingtechniquesandconstructionqualityassurance.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:59_080_70
【页数】:3P.;A4
【正文语种】:
【原文标准名称】:双缝土工薄膜加压气道评定的标准实施规程
【标准号】:ASTMD5820-1995(2006)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:(Practice)
【标准水平】:()
【中文主题词】:气道评定;无损鉴定;实施规程;双缝土工薄膜;平行土工薄膜;加压气道评定;未焊接气道;有关材料;土工薄膜;土壤;岩石
【英文主题词】:
【摘要】:Theincreaseduseofgeomembranesasbarriermaterialstorestrictliquidorgasmovement,andthecommonuseofdualtrackseamsinjoiningthesesheets,hascreatedaneedforastandardnondestructivetestbywhichthequalityoftheseamscanbeassessedforcontinuityandwatertightness.Thetestisnotintendedtoprovideanyindicationofthephysicalstrengthoftheseam.Thispracticerecommendsanairpressuretestwithinthechannelcreatedbetweendualseamedtrackswherebythepresenceofunbondedsectionsorchannels,voids,nonhomogenities,discontinuities,foreignobjects,andthelike,intheseamedregioncanbeidentified.Thistechniqueisintendedforuseonseamsbetweengeomembranesheetsformulatedfromtheappropriatepolymersandcompoundingingredientstoformaplasticorelastomersheetmaterialthatmeetsallspecifiedrequirementsfortheenduseoftheproduct.1.1Thepracticecoversanondestructiveevaluationofthecontinuityofparallelgeomembraneseamsseparatedbyanunweldedairchannel.Theunweldedairchannelbetweenthetwodistinctseamedregionsissealedregionsissealedandinflatedwithairtoapredeterminedpressure.Longlengthsofseamcanbeevaluatedbythispracticemorequicklythanbyothercommonnondestructivetests.1.2Thispracticeshouldnotbeusedasasubstitutefordestructivetesting.Usedinconjunctionwithdestructivetesting,thismethodcanprovideadditionalinformationregardingtheseamsundergoingtesting.1.3ThispracticesupercedesPracticeD4437forgeomembraneseamsthatincludeanairchannel.PracticeD4437maycontinuetobeusedforothertypesofseams.Theuserisreferredtothereferencedstandards,ortoEPA/530/SW-91/051foradditionalinformationregardinggeomembraneseamingtechniquesandconstructionqualityassurance.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:59_080_70
【页数】:3P.;A4
【正文语种】:
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