ASTM C1496-2009 外部石墙和表面的评价和维护标准指南

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【英文标准名称】:StandardGuideforAssessmentandMaintenanceofExteriorDimensionStoneMasonryWallsandFacades
【原文标准名称】:外部石墙和表面的评价和维护标准指南
【标准号】:ASTMC1496-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:C18.07
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:assessment;dimensionstone;exteriorcladding;fa?/span>ade;maintenance;naturalstone;Assessment/Assesors--buildings;Buildingfacades;Dimensionstone;Exteriorbuildingstone;Maintenance
【摘要】:Thisguideattemptstoprovideinformationtoassistbuildingownersandmanagerswithlimitedknowledgeofstoneconstructiontorecognizebasicproblemswithperformanceoffacades,andtokeepthemingoodconditionthroughperiodicinspectionsandmaintenance.Increasedawarenessofthebehaviorofstonemasonryfacadesandassociatedmaterialscanreducemaintenanceandreplacementcostsbyaddressingproblemsanddeteriorationearly.Theobjectiveofallmaintenanceshouldbetolimitdeteriorationthroughearlyintervention.Whenitappearsdamagetostonesupportelementshasoccurred,professionalsshouldbeconsultedtoevaluatethesupportconditions,aswellasrecommendmethodstorestorethebuilding''sintegrityandpreservepublicsafety.1.1Thisguideoutlineshowtovisuallyassessexteriorstonemasonrywallsandfacadestodeterminetheirgeneralcondition.Examiningkeyfeaturesoftheconstructioncanhelpidentifyanddiagnoseproblemswhichrequirerepairsorcorrectiveaction.Suchanexaminationcanexposeconditionswhichmaybeaddressedwithmaintenanceandminorrepairs,ormayrequireexpertassistance.Thisguideisnotintendedtobeusedforbuildingsrequiringmajorexteriorrehabilitationorstructuralrepairs.1.1.1Thisguideappliestowallsofsolidstoneordimensionstoneusedasacladding.Stonecladdingistypicallyconnectedtoabackupmaterialwithavarietyofanchoringmethods,includingtraditionalhand-setmasonryanchorssuchasstraps,dowels,cramps,hook-and-eyes,dove-tails,wireties,andthelike.Jointsbetweenstonesinthesetypesofbuildingsareusuallyfilledwithmortarorsealant.Sealant-filledjointsareusuallydesignedtoaccommodatestructuralandthermalmovements.1.2Thisguidespecificallyexcludesdimensionstoneusedininteriorbuildingsurfaces,flooringorpaving,slatedimensionstoneusedasroofing.Thoughtheysharesomesimilarassessmentandmaintenanceconcerns,thinstone(lessthan2inchesnominalthickness)exteriorcladding,andstonecladdingattachedtometalflamesarealsoexcludedduetotheiruniquedesigncharacteristicsandperformancerequirements.Althoughproceduresandcautionslistedhereinmayapplytowallsandfacadescontainingsemi-dimension,orpartiallysized,stoneintheformofsplit-face,orrubbleandtostone-facadeconcretepanels,theguideisnotspecificallydirectedtosuchstoneuse.Itdoesnotaddressremovalofsmall-areastains.1.3Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaprojectx2019;smanyuniqueaspects.Thewordx201C;Standardx201D;inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.1.4Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafet......
【中国标准分类号】:Q15
【国际标准分类号】:91_060_10
【页数】:7P.;A4
【正文语种】:英语