ASTM A 1020/A 1020M-2001 锅炉、加热器、热交换器和冷凝器装置的熔焊碳和碳钢管标准规范

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【英文标准名称】:Pressuresensitiveadhesivepolypropylenetapesforpackaging
【原文标准名称】:包装用压敏聚丙烯胶粘带
【标准号】:JISZ1539-1991
【标准状态】:作废
【国别】:日本
【发布日期】:1991-08-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:TechnicalCommitteeonConsumerLifeProducts
【标准类型】:()
【标准水平】:()
【中文主题词】:压敏材料;胶粘带;包装材料;聚丙烯
【英文主题词】:packagingmaterials;polypropylene;pressure-sensitivematerials;adhesivetape
【摘要】:
【中国标准分类号】:A82
【国际标准分类号】:83_180
【页数】:6P;A4
【正文语种】:日语


【英文标准名称】:StandardTestMethodforFundamentalTransverse,Longitudinal,andTorsionalFrequenciesofConcreteSpecimens
【原文标准名称】:混凝土试样的基本横向、纵向和扭转振动频率的标准试验方法
【标准号】:ASTMC215-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:C09.64
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;施工材料;试样;混凝土;切向;建筑;变形;负荷
【英文主题词】:dynamicmodulusofrigidity;dynamicPoisson'sratio;dynamicYoung'smodulusofelasticity;forcedresonance;fundamentalresonantfrequency;impactresonance;nondestructivetesting;
【摘要】:Thistestmethodisintendedprimarilyfordetectingsignificantchangesinthedynamicmodulusofelasticityoflaboratoryorfieldtestspecimensthatareundergoingexposuretoweatheringorothertypesofpotentiallydeterioratinginfluences.Thevalueofthedynamicmodulusofelasticityobtainedbythistestmethodwill,ingeneral,begreaterthanthestaticmodulusofelasticityobtainedbyusingTestMethodC469.Thedifferencedepends,inpart,onthestrengthleveloftheconcrete.Theconditionsofmanufacture,themoisturecontent,andothercharacteristicsofthetestspecimens(seesectiononTestSpecimens)materiallyinfluencetheresultsobtained.Differentcomputedvaluesforthedynamicmodulusofelasticitymayresultfromwidelydifferentresonantfrequenciesofspecimensofdifferentsizesandshapesofthesameconcrete.Therefore,itisnotadvisabletocompareresultsfromspecimensofdifferentsizesorshapes.1.1Thistestmethodcoversmeasurementofthefundamentaltransverse,longitudinal,andtorsionalfrequenciesofconcreteprismsandcylindersforthepurposeofcalculatingdynamicYoung'smodulusofelasticity,thedynamicmodulusofrigidity(sometimesdesignatedas"themodulusofelasticityinshear"),anddynamicPoisson'sratio.1.2valuesinSIunitsarethestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P25
【国际标准分类号】:91_100_30
【页数】:7P.;A4
【正文语种】: