【英文标准名称】:StandardTestMethodforTensilePropertiesofFiberReinforcedPolymerMatrixCompositeBars
【原文标准名称】:测量纤维增强聚合物基质复合棒拉伸特性的标准试验方法
【标准号】:ASTMD7205/D7205M-2006
【标准状态】:现行
【国别】:美国
【发布日期】:2006
【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】:D30.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:tensileproperties;tensilestrength;tensilemodulusofelasticity;bars;compositematerials;compositebars
【摘要】:Thistestmethodisdesignedtoproducelongitudinaltensilestrengthandelongationdata.Fromatensiontest,avarietyofdataareacquiredthatareneededfordesignpurposes.Material-relatedfactorsthatinfluencethetensileresponseofbarsandshouldthereforebereportedincludethefollowing:constituentmaterials,voidcontent,volumepercentreinforcement,methodsoffabrication,andfiberreinforcementarchitecture.Similarly,testfactorsrelevanttothemeasuredtensileresponseofbarsincludespecimenpreparation,specimenconditioning,environmentoftesting,specimenalignmentandgripping,andspeedoftesting.Properties,inthetestdirection,thatmaybeobtainedfromthistestmethodinclude:5.1.1Ultimatetensilestrength,5.1.2Ultimatetensilestrain,5.1.3Tensilechordmodulusofelasticity,and5.1.4Stress-straincurve.1.1Thistestmethoddeterminesthequasi-staticlongitudinaltensilestrengthandelongationpropertiesoffiberreinforcedpolymermatrix(FRP)compositebarscommonlyusedastensileelementsinreinforced,prestressed,orpost-tensionedconcrete.Note1AdditionalproceduresfordeterminingtensilepropertiesofpolymermatrixcompositesmaybefoundintestmethodsD3039/D3039MandD3916.1.2LinearelementsusedforreinforcingPortlandcementconcretearereferredtoasbars,rebar,rods,ortendons,dependingonthespecificapplication.Thistestmethodisapplicabletoallsuchreinforcementswithinthelimitationsnotedinthemethod.Thetestarticlesarereferredtoasbarsinthistestmethod.Ingeneral,barshavesolidcross-sectionsandaregularpatternofsurfaceundulationsand/oracoatingofbondedparticlesthatpromotemechanicalinterlockbetweenthebarandconcrete.Thetestmethodisalsoappropriateforusewithlinearsegmentscutfromagrid.Specificdetailsforpreparingandtestingofbarsandgridsareprovided.Insomecases,anchorsmaybenecessarytopreventgrip-induceddamagetotheendsofthebarorgrid.Recommendeddetailsfortheanchorsareprovidedin.1.3Thestrengthvaluesprovidedbythismethodareshort-termstaticstrengthsthatdonotaccountforsustainedstaticorfatigueloading.Additionalmaterialcharacterizationmayberequired,especiallyforbarsthataretobeusedunderhighlevelsofsustainedorrepeatedloading.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.5ThisannexdescribestherecommendedanchortofacilitategrippingofFRPbarspecimensforvarioustypesoftestsperformedundertensileloading.Italsospecifiespreparationofthespecimens.Othertypesofanchorsmaybeusedprovideditisdemonstratedthat(a)failureofthebaroccursoutsidetheanchorsand(b)theanchorspreventexcessiveslipofthebarpriortotensilefailure.1.6Thisannexprovidesrecommendationsfortestingbarsinconditionsthatareotherthanstandardlaboratoryconditions.Theseconditionsmayincludeimmersioninwaterorotheraqueoussolutionand/orelevatedtemperatureormoistureconditions.
【中国标准分类号】:Q23
【国际标准分类号】:91_100_40
【页数】:12P.;A4
【正文语种】:英语


【英文标准名称】:Non-destructivetestingofwelds-Penetranttestingofwelds-Acceptancelevels;GermanversionEN1289:1998+A1:2002
【原文标准名称】:焊缝的无损检验.焊缝的渗透检验.验收标准;德文版本EN1289:1998+A1:2002
【标准号】:EN1289-2002
【标准状态】:现行
【国别】:
【发布日期】:2002-09
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);允许性;焊接;焊接接头;定义;定义;精整;无损检验;材料;材料试验;试验;金属的;渗透探伤;金属;表面光洁度;表面不连续性;焊接工程;焊缝;试验条件;不规则性;试验类别;表面处理
【英文主题词】:Definition;Definitions;Finishes;Irregularities;Materials;Materialstesting;Metallic;Metals;Non-destructivetesting;Penetrantflawdetection;Permissibility;Specification(approval);Surfacediscontinuities;Surfacefinishes;Surfacetreatment;Testcategories;Testing;Testingconditions;Weldedjoints;Welding;Weldingengineering;Welds
【摘要】:
【中国标准分类号】:J33;H26
【国际标准分类号】:25_160_40
【页数】:10P.;A4
【正文语种】:英语