ASTM B 338a-2001 冷凝器和热交换器用无缝及焊接钛与钛合金管标准规范

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【英文标准名称】:StandardTestMethodforTensileStrengthofGeosyntheticClayLiners
【原文标准名称】:土工合成粘土衬抗拉强度的标准试验方法
【标准号】:ASTMD6768-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:粘土;抗拉强度;试验方法
【英文主题词】:clay;geosynthetic;geosyntheticclayliner;tensilestrength
【摘要】:ThistestmethodmaybeusedfortheacceptancetestingofcommercialshipmentsofGCLsbutcautionisadvisedsinceinformationaboutbetween-laboratoryprecisionisincomplete.Comparativetestsasdirectedin5.1.1maybeadvisable.5.1.1Incasesofadisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptanceofshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbias.Thetwopartiesshouldtakeagroupoftestsamplesthatareashomogeneousaspossibleandwhicharefromthelotofmaterialinquestion.SomemodificationofclampingtechniquesmaybenecessaryforagivenGCLdependinguponitsstructure.Specimenclampingmaybemodifiedasrequiredatthediscretionoftheindividuallaboratoryprovidingarepresentativetensilestrengthisobtained.Inanyevent,theproceduredescribedinSection10ofthistestmethodforobtainingtensilestrengthmustbemaintained.ThistestmethodisapplicablefortestingGCLsasreceived.Itisusedwithaconstantrateofextensiontypetensionapparatus.1.1ThetestmethodestablishestheproceduresforthemeasurementoftensilestrengthofGeosyntheticClayLiner(GCL).ThistestmethodisstrictlyanindextestmethodtobeusedtoverifythetensilestrengthofGCLs.Resultsfromthistestmethodshouldnotbeconsideredasanindicationofactualorlong-termperformanceofthegeosynthetic(s)infieldapplications.1.2ThevaluesinSIunitsaretoberegardedasthestandard.Valuesinpoundunitsareinparenthesesforinformation.1.3Thisstandardmayinvolvehazardousmaterials,operations,andequipment.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】:


【英文标准名称】:Measurementofcoatingthickness;magneticmethodsformeasurementofthicknessofnon-ferromagneticcoatingsonferromagneticmaterial
【原文标准名称】:涂层厚度测量.铁磁材料上的非铁磁涂层厚度的磁性测量方法
【标准号】:DIN50981-1979
【标准状态】:作废
【国别】:德国
【发布日期】:1979-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸;测量;覆层厚度;材料;无损检验
【英文主题词】:measurement;dimensions;coatingthickness;materials;non-destructivetesting
【摘要】:
【中国标准分类号】:A29
【国际标准分类号】:6000;5970;2102
【页数】:5P;A4
【正文语种】:德语