【英文标准名称】:StandardTestMethodforDeterminingBondStrengthBetweenHardenedRollerCompactedConcreteandOtherHardenedCementitiousMixtures(PointLoadTest)
【原文标准名称】:测定硬化碾压混凝土和其他硬化粘结混合物间粘合强度的标准试验方法(集中载荷试验)
【标准号】:ASTMC1245/C1245M-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:C09.45
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:粘结强度;粘结剂;混凝土粘合;压实混凝土
【英文主题词】:bondstrength;bondingagents;concretebonding;roller-compactedconcretes
【摘要】:Thistestmethodisusedtomeasuretheeffectivenessofbondingroller-compactedconcretetootherroller-compactedconcreteorotherhardenedcementitiousmixturesbyusingapointloadtestatthejoint.Bondstrengthisdeterminedusingdrilledcoresorcastcylindricalspecimensinwhichthebondsurfaceisessentiallynormaltothelongitudinalaxisatapproximatelythemid-lengthofthespecimen.Asplittingtensilestressnormaltothebondsurfaceisproducedbyapplyingapointloadatthejoint.Thistestmethodmaybeusedeitherforlaboratoryinvestigationbycastingindividualcompositecylindersorbycoringprototypestructuresorassemblies(TestMethodC42/C42M).1.1Thistestmethodisintendedfortestingroller-compactedconcretespecimensandcoversdeterminationoftherelativebondbetweenlayersofroller-compactedconcreteorotherhardenedconcreteinmultiple-liftformsofconstruction.Itisapplicabletoalltypesoflayeredconcretewherethetotaldepthissufficienttomeettheminimumspecimenlengthanddiameterrequirementsofthistestmethod.Thistestmethodisnotintendedtoprovidetensilestrengthresultsofthematerialtested.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thetextofthisstandardreferencesnotesandfootnotes,whichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:91_100_30
【页数】:7P.;A4
【正文语种】: