ASTM C1072-2010 测量砖石建筑挠性结合强度的标准试验方法

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【英文标准名称】:StandardTestMethodforMeasurementofMasonryFlexuralBondStrength
【原文标准名称】:测量砖石建筑挠性结合强度的标准试验方法
【标准号】:ASTMC1072-2010
【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】:C15.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:assemblies;bond;flexuraltensilestress;flexure;masonry;Bondstrength--masonry/mortar;Cementmortars;Flexuralbondstrength;Flexuraltesting--masonryunits;Loadingtests--concrete;Masonryassemblages;Mortar(bondstrength);Prisms;Waterretent
【摘要】:Thistestmethodisintendedforuseincomparingthebondstrengths(underthegivenconditions)ofmasonrymortars.Thistestmethodcouldbeused,forexample,tocheckoneaspectofthequalityofmortarproductsafterproduction,ortoindicatethebondpotentialofamortarproductwithoutrequiringtheproducttobetestedincombinationwithmanydifferentunits.Thistestmethodusescontrolledconditionsoffabricationandcuringthatarenotintendedtorepresentfieldconditions.Thistestmethodusesstandardconcretemasonryunits.Mortarsarebatchedbyweightequivalentsofvolumeproportionsandaremixedtoaprescribedflow.Prismsareconstructedusingajigandarebag-cured.Flexuralbondstrengthdeterminedbythistestmethodshallnotbeinterpretedastheflexuralbondstrengthofawall(becausestandardunitsarenotusedforwallconstruction),norshallitbeinterpretedasanindicationofextentofbondforpurposesofwaterpermeabilityevaluation.1.1Thesetestmethodsevaluatetheflexuralbondstrength,normaltothebedjoints,ofmasonrybuiltofmanufacturedmasonryunits.Samplingandtestingproceduresarereferenced,andtermsaredefined.Threedifferentspecimenfabricationmethodsarespecified,eachforadifferentpurpose:1.1.1Thefirstmethodisthex201C;TestMethodforLaboratory-PreparedSpecimens.x201D;Itspurposeistocomparethebondstrengths(underthegivenconditions)ofmasonrymortars.Itcouldbeused,forexample,tocheckthequalityofmortarproductsafterproduction,ortoindicatethebondstrength(underthegivenconditions)ofamortarproductwithoutrequiringtheproducttobetestedincombinationwithmanydifferentunits.Itisnotintendedtorepresentfieldconditions.Itusesstandardconcretemasonryunits.Mortarsarebatchedbyweightequivalentsofvolumeproportionsandaremixedtoaprescribedflow.Prismsareconstructedusingajigandarebag-cured.1.1.2Thesecondmethodisthex201C;TestMethodforField-PreparedSpecimens.x201D;Itspurposeistoevaluatethebondstrength(underthegivenconditions)ofaparticularunit-mortarcombination,eitherforpreconstructionevaluationofmaterialsorforqualitycontrolpurposesduringconstruction.Mortarsarebatchedconventionally,andtheflowisnotprescribed.Prismsareconstructedconventionally(nojig)andarebag-cured.1.1.3Thethirdmethodisthex201C;TestMethodforPrismsRemovedfromExistingMasonry.x201D;Itspurposeistoevaluatethebondstrengthofunit-mortarcombinationsofprismscutfromexistingwalls.1.1.4Thethreemethodsarenotconsistent,noraretheyintendedtobe.Theyareintendedtobeusedforthreedifferentpurposes.Tomakethisclear,thethreemethodsarepresentedseparately.1.1.5AppendixX1suggeststwopossiblecriteriaforassessingthebondstrengthvaluesobtainedusingthesetestmethods.Thesepossibleevaluationcriteriaaregivenforillustrationonlyandarenotmandatory.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q15
【国际标准分类号】:91_060_10
【页数】:18P.;A4
【正文语种】:英语