【英文标准名称】:StandardTestMethodforFlexuralStrengthofConcrete(UsingSimpleBeamwithThird-PointLoading)
【原文标准名称】:混凝土的弯曲性能的标准试验方法(使用三点负荷简支梁)
【标准号】:ASTMC78/C78M-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】:C09.61
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:beams;concrete;flexuralstrengthtesting;modulusofrupture;Concretetestspecimens;Flexuraltesting--concrete;Three-pointloading
【摘要】:ThistestmethodisusedtodeterminetheflexuralstrengthofspecimenspreparedandcuredinaccordancewithTestMethodsC42/C42MorPracticesC31/C31MorC192/C192M.Resultsarecalculatedandreportedasthemodulusofrupture.Thestrengthdeterminedwillvarywheretherearedifferencesinspecimensize,preparation,moisturecondition,curing,orwherethebeamhasbeenmoldedorsawedtosize.Theresultsofthistestmethodmaybeusedtodeterminecompliancewithspecificationsorasabasisforproportioning,mixingandplacementoperations.Itisusedintestingconcretefortheconstructionofslabsandpavements.1.1Thistestmethodcoversthedeterminationoftheflexuralstrengthofconcretebytheuseofasimplebeamwiththird-pointloading.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】:4P.;A4
【正文语种】:英语


【英文标准名称】:Destructivetestsonweldsinmetallicmaterials-Torsiontestofresistancespotwelds(ISO17653:2003);GermanversionENISO17653:2003
【原文标准名称】:金属材料焊缝破坏检验.电阻点焊扭转试验
【标准号】:DINENISO17653-2003
【标准状态】:作废
【国别】:德国
【发布日期】:2003-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:对接接头;金属;试样;金属材料;材料;试验;定义;点焊;焊接;焊接接头;扭转试验;破坏试验;焊接工程;焊缝;电阻点焊;材料试验;金属焊接;应变
【英文主题词】:Buttjoints;Definition;Definitions;Destructivetesting;Materials;Materialstesting;Metalwelding;Metallicmaterials;Metals;Resistancespotwelds;Spotwelding;Strain;Testspecimens;Testing;Torsiontesting;Weldedjoints;Welding;Weldingengineering;Welds
【摘要】:ThisEuropeanStandardisapplicabletospotweldedtestspecimenswithsinglesheetthicknessesrangingfrom0,5mmto3,0mminsteels.Itmaybeusedfornon-ferrousmaterialsincertaincircumstances.Theaimofthistestistodeterminetheinfluenceofdifferentsteeltypes,weldingparametersandotherfactorsonthedeformationcharacteristicsofaspotweld.Usingthistest,itispossibletodeterminethewelddiameterandthefracturetypefromfracturedspecimens.Additionally,themaximumtorsionmoment(torque)andthecorrespondingtorsionanglecanbedetermined.#,,#
【中国标准分类号】:J33
【国际标准分类号】:25_160_40
【页数】:9P.;A4
【正文语种】:德语