【英文标准名称】:StandardTestMethodforDiagonalTension(Shear)inMasonryAssemblages
【原文标准名称】:砖砌体中的斜拉应力(剪切力)的标准试验方法
【标准号】:ASTME519-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:建筑;建设工程;砖石工程;剪切测试;测试
【英文主题词】:compressivestrength;diagonalloading;diagonaltensilestrength;diagonaltension;masonryassemblages;masonryunits;mortar;shear;shearstrength
【摘要】:Thistestmethodwasdevelopedtomeasuremoreaccuratelythediagonaltensile(shear)strengthofmasonrythanwaspossiblewithotheravailablemethods.Thespecimensizewasselectedasbeingthesmallestthatwouldbereasonablyrepresentativeofafull-sizemasonryassemblageandthatwouldpermittheuseoftestingmachinessuchasareusedbymanylaboratories.Note18212;Asaresearchtestmethodusedonlyforthepurposeofevaluatingtheeffectsofvariablessuchastypeofmasonryunit,mortar,workmanship,etc.,asmallersizespecimencouldbeusediftheavailabletestingequipmentwillnotaccommodatea1.2-m(4-ft)squarespecimen.However,thereisalackofexperimentaldatathatwouldpermitanevaluationoftheeffectofspecimensizeontheshearstrengthortopermitacorrelationbetweentheresultsofsmall-scalespecimentestsandlargerspecimens.1.1Thistestmethodcoversdeterminationofthediagonaltensileorshearstrengthof1.2by1.2-m(4by4-ft)masonryassemblagesbyloadingthemincompressionalongonediagonal(seeFig.1),thuscausingadiagonaltensionfailurewiththespecimensplittingapartparalleltothedirectionofload.1.2AnnexA1providesrequirementsregardingthedeterminationofthediagonal-tensionstrengthofmasonryundercombineddiagonal-tensionandcompressiveloading.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationonly.Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P24
【国际标准分类号】:91_060_10
【页数】:5P.;A4
【正文语种】: