【英文标准名称】:StandardTestMethodforDeterminingtheTensileShearStrengthofPre-FabricatedBituminousGeomembraneSeams
【原文标准名称】:预制沥青土工膜接缝拉伸剪切强度的测定用标准试验方法
【标准号】:ASTMD7056-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:沥青;测定;土工膜;接缝;剪切强度;拉伸强度
【英文主题词】:geomembrane;bituminous;PBGM;prefabricatedseam;shear;destructive
【摘要】:TheuseofPBGMasbarriermaterialstorestrictliquidmigrationfromonelocationtoanotherinsoilshascreatedaneedforastandardtestmethodtoevaluatethequalityofPBGMseams.InthecaseofPBGM,ithasbecomeevidentthatseamscanexhibitseparationinthefieldundercertainconditions.Althoughthisisanindextypetestmethodusedforqualityassuranceandqualitycontrolpurposes,itisalsointendedtoprovidethequalityassuranceengineerwithsufficientseamsheardatatoevaluateseamquality.Recordingandreportingdatawillallowthequalityassuranceengineertotakemeasuresnecessarytoensuretherepairofseamswithunacceptablestrengthduringfacilityconstruction,andtherefore,minimizethepotentialforseamseparationinservice.1.1Thistestmethodpresentstheproceduresusedfordeterminingthequalityofprefabricatedbituminousgeomembrane(PBGM)bondedseamssubjectedtoasheartest.ItdescribesadestructivequalitycontroltestusedtodeterminetheintegrityofPBGMseams.1.2ThistestprocedureisintendedforPBGMonly.1.3ThetypeofthermalfieldseamingtechniqueusedtoconstructPBGMseamsincludethefollowing.1.3.1Torch-on-ThistechniquemeltstwoPBGMsurfacestobeseamedbyrunningaflamefromapropanetorchbetweenthem.Pressureisappliedonthetoporbottom,orbothPBGM,forcingtogetherbothsurfacestoformacontinuousbond.1.3.2HotAir-Thistechniqueintroduceshigh-temperatureairorgasbetweentwoPBGMsurfacestofacilitatemelting.Pressureisappliedonthetoporbottom,orbothPBGM,forcingtogetherbothsurfacestoformacontinuousbond.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q17
【国际标准分类号】:59_080_70
【页数】:3P.;A4
【正文语种】: