【英文标准名称】:StandardPracticeforNon-destructiveTesting(NDT)forDeterminingtheIntegrityofSeamsUsedinJoiningFlexiblePolymericSheetGeomembranes
【原文标准名称】:用于粘结柔性聚合物土工薄膜时现场接缝完整性测定的标准实施规程
【标准号】:ASTMD4437-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:
【英文主题词】:Adhesivebonds;Bondedseams;Destructivetesting--soil/rock;Fieldtesting--geosynthetics;Flexiblebarriermaterials;Geomembranes;Liquids--geosynthetic/geothermalapplications;Nondestructiveevaluation(NDE)--soil/rock/relatedmaterials;Polymericge
【摘要】:Theuseofgeomembranesasbarriermaterialstorestrictliquidmigrationfromonelocationtoanotherinsoilandrock,andthelargenumberofseammethodsandtypesusedinjoiningthesegeomembranesheets,hascreatedaneedforstandardtestsbywhichthevariousseamscanbecomparedandthequalityoftheseamsystemscanbenon-destructivelyevaluated.Thispracticeisintendedtomeetsuchaneed.Thegeomembranesheetmaterialshallbeformulatedfromtheappropriatepolymersandcompoundingingredientstoformaplasticorelastomersheetmaterialthatmeetsallspecifiedrequirementsfortheenduseoftheproduct.Thesheetmaterial(reinforcedornonreinforced)shallbecapableofbeingbondedtoitselfbyoneofthemethodsdescribedin1.2inaccordancewiththesheetmanufacturer''srecommendationsandinstructions.1.1Thispracticeisintendedforuseasasummaryofnondestructivequalitycontroltestmethodsfordeterminingtheintegrityofseamsusedinthejoiningofflexiblesheetmaterialsinageotechnicalapplication.Thispracticeoutlinesthetestproceduresavailablefordeterminingthequalityofbondedseams.Anyoneorcombinationofthetestmethodsoutlinedinthispracticecanbeincorporatedintoaprojectspecificationforqualitycontrol.Thesetestmethodsareapplicabletomanufacturedflexiblepolymericmembraneliningsthatarescrimreinforcedornonreinforced.Thispracticeisnotapplicabletodestructivetesting.FordestructivetestmethodslookatotherASTMStandardsandPractices.1.2Thetypesofseamscoveredbythispracticeincludethefollowing:ThermallyBondedSeams,HotAir,HotWedge(orKnife),Extrusion,SolventBondedSeams,BodiedSolventBondedSeams,AdhesiveBondedorCementedSeams,TapedSeams,WaterproofedSewnSeams.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:91_100_50
【页数】:2P.;A4
【正文语种】:英语