【英文标准名称】:StandardTestMethodforDeterminingTensilePropertiesofFiberReinforcedPolymerMatrixCompositesUsedforStrengtheningofCivilStructures
【原文标准名称】:测定土木建筑增强用纤维增强聚合物基合成材料的抗拉特性的标准试验方法
【标准号】:ASTMD7565/D7565M-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:compositematerials;modulusofelasticity;pre-curedFRPsystem;tensileproperties;tensilestrength;wetlay-upFRPsystem;Compositematerials;Fiberreinforcedpolymers;Modulusofelasticity;Tensileproperties/testing
【摘要】:ThistestmethodcanbeusedtoobtainthetensileforcecapacityandultimatetensilestrainofFRPmaterialusedforthestrengtheningofotherstructuralmaterialssuchas,metals,timber,andreinforcedconcrete.TheprincipaltestvariablescouldbetheFRPconstituentsandfabricationmethodorthesizeortypeofFRPlaminate.Theobtainedtensilepropertiescanbeusedformaterialspecifications,qualitycontrolandassurance,structuraldesignandanalysis,andresearchanddevelopment.ThistestmethodfocusesontheFRPmaterialitself,irrespectiveofthegrippingmethod.Therefore,maximumforceandstraindataassociatedwithfailureorpulloutateithergriparedisregarded.Theforcecapacityandmaximumstrainmeasurementsarebasedsolelyontestspecimensthatfailinthegaugesection.1.1Thistestmethoddescribestherequirementsforsamplepreparation,tensiletesting,andresultscalculationofflatfiberreinforcedpolymer(FRP)compositematerialsusedforthestrengtheningofstructuresmadeofmaterialssuchasmetals,timber,masonry,andreinforcedconcrete.Themethodmaybeusedtodeterminethetensilepropertiesofwetlay-upandpre-impregnatedFRPcompositesfabricatedonsiteormanufacturedinafactorysetting.TheFRPcompositemaybeofeitherunidirectional(0-degrees)orcross-ply(0/90type)reinforcement.Forcross-plylaminates,theconstructionmaybeachievedusingmultiple-layersofunidirectionalfibersateither0or90degrees,oroneormorelayersofstitchedorwoven0/90fabrics.Thecompositematerialformsarelimitedtocontinuousfiberordiscontinuousfiber-reinforcedcompositesinwhichthelaminateisbalancedandsymmetricwithrespecttothetestdirection.ThemethodonlycoversthedeterminationofthetensilepropertiesoftheFRPcompositematerial.OthercomponentsusedtoattachtheFRPmaterialtothesubstrate,suchastheprimer,putty,andadhesiveinexternallybondedstrengtheningsystems,areexcludedfromthesamplepreparationandtestingdetailedinthisdocument.ThistestmethodreferstoTestMethodD3039/D3039Mforconductofthetests.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedasstandard.Withinthetext,theinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q23
【国际标准分类号】:83_120
【页数】:5P.;A4
【正文语种】:英语


Product Code:SAE AS20708/8
Title:Synchro, Control Transmitter, Type 26v-11cx4c
Issuing Committee:Ae-7a Generators And Controls Motors And Magnetic Devices
Scope: