ASTM C469/C469M-2010 压缩混凝土的静态弹性模量和泊松比的标准测试方法

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【英文标准名称】:StandardTestMethodforStaticModulusofElasticityandPoisson''sRatioofConcreteinCompression
【原文标准名称】:压缩混凝土的静态弹性模量和泊松比的标准测试方法
【标准号】:ASTMC469/C469M-2010
【标准状态】:现行
【国别】:
【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】:C09.61
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:压缩试验;混凝土;弹性模量;泊松比
【英文主题词】:compressiontesting;concrete;modulusofelasticity;Poisson'sratio
【摘要】:Thistestmethodprovidesastresstostrainratiovalueandaratiooflateraltolongitudinalstrainforhardenedconcreteatwhateverageandcuringconditionsmaybedesignated.ThemodulusofelasticityandPoisson''sratiovalues,applicablewithinthecustomaryworkingstressrange(0to40%ofultimateconcretestrength),areusedinsizingofreinforcedandnonreinforcedstructuralmembers,establishingthequantityofreinforcement,andcomputingstressforobservedstrains.Themodulusofelasticityvaluesobtainedwillusuallybelessthanmoduliderivedunderrapidloadapplication(dynamicorseismicrates,forexample),andwillusuallybegreaterthanvaluesunderslowloadapplicationorextendedloadduration,givenothertestconditionsbeingthesame.1.1Thistestmethodcoversdeterminationof(1)chordmodulusofelasticity(Young''s)and(2)Poisson''sratioofmoldedconcretecylindersanddiamond-drilledconcretecoreswhenunderlongitudinalcompressivestress.ChordmodulusofelasticityandPoisson''sratioaredefinedinTerminologyE6.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:5P.;A4
【正文语种】: