ASTM E2128-2001a(2009) 评定建筑物墙壁水渗漏的标准指南

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【英文标准名称】:StandardGuideforEvaluatingWaterLeakageofBuildingWalls
【原文标准名称】:评定建筑物墙壁水渗漏的标准指南
【标准号】:ASTME2128-2001a(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【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】:E06.55
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:evaluation;inspection;testing;waterleakage;Buildingmaterials/applications;Drainagematerials/systems;Evaluation--buildingcomponents/applications;Exteriorwalls;Inspection--buildings;Retentioncharacteristics/testing;Walls;Waterleakage
【摘要】:Thisguideisintendedtoprovidebuildingprofessionalswithacomprehensivemethodologyforevaluatingwaterleakagethroughwalls.Itaddressestheperformanceexpectationsandservicehistoryofawall,thevariouscomponentsofawall,andtheinteractionbetweenthesecomponentsandadjacentconstruction.Itisnotintendedasaconstructionqualitycontrolprocedure,norasapreconstructionqualificationprocedure.Itisintendedforevaluatingbuildingsthatexhibitwaterleakage.Qualifications8212;Useofthisguiderequiresaknowledgeofbasicphysicsandofconstructionandwalldesignprinciplesandpractices.Application8212;Thesequentialactivitiesdescribedhereinareintendedtoproduceacompleteandcomprehensiveevaluationprogram,butallactivitiesmaynotbeapplicableornecessaryforaparticularevaluationprogram.Itistheresponsibilityoftheprofessionalusingthisguidetodeterminetheactivitiesandsequencenecessarytoproperlyperformanappropriateleakageevaluationforaspecificbuilding.PreliminaryAssessment8212;Apreliminaryassessmentmayindicatethatwaterleakageproblemsarelimitedtoaspecificelementorportionofawall.Theevaluationofcausesmaylikewisebelimitedinscope,andtheproceduresrecommendedhereinabridgedaccordingtotheprofessionaljudgementoftheinvestigator.Astatementstipulatingthelimitsoftheinvestigationshouldbeincludedinthereport.Expectations8212;Expectationsabouttheoveralleffectivenessofanevaluationprogrammustbereasonableandinproportiontoadefinedscopeofworkandtheeffortandresourcesappliedtothetask.Theobjectiveistobeascomprehensiveaspossiblewithinadefinedscopeofwork.Themethodologyinthisguideisintendedtoaddressintrinsicleakagebehaviorpropertiesofawallsystem,leadingtoconclusionsthatgenerallyapplytosimilarlocationsonthebuilding.Sinceeverypossiblelocationisnotincludedinanevaluationprogram,itisprobablethateveryleaksourcewillnotbeidentified.Leakagesourcesthatarelocalizedanduniquemayremainandmayrequireadditionallocalizedevaluationeffort.Thepotentialresultsandbenefitsoftheevaluationprogramshouldnotbeover-represented.Thisguideisnotintendedasadesignguideorasaguidespecification.Referenceismadetodesignfeaturesofawallonlyforthepurposeofidentifyingitemsofinterestforconsiderationintheevaluationprocess.Thisguidedoesnotaddressleakagethroughroofs,leakagebelowgrade,orwaterthataccumulatesduetowatervapormigrationandcondensation.Itisnotintendedforusewithstructuresdesignedtoretainwater,suchaspoolsandfountains.1.1Thisguidedescribesmethodsfordeterminingandevaluatingcausesofwaterleakageofexteriorwalls.Forthispurpose,waterpenetrationisconsideredleakage,andthereforeproblematic,ifitexceedstheplannedresistanceortemporaryretentionanddrainagecapacityofthewall,iscausingorislikelytocauseprematuredeteriorationofabuildingoritscontents,orisadverselyaffectingtheperformanceofothercomponents.Awallisconsideredasystemincludingitsexteriorandinteriorfinishes,fenestration,structuralcomponents,andcomponentsformaintainingthebuildinginteriorenvironment.1.2Investigativetechniquesdiscussedmaybeintrusive,disruptive,ordestructive.Itistheresponsibilityoftheinvestigatortoestablishthelimitationsofuse,toanticipateandadviseofthedestructivenatureofsomeprocedures,andtoplanforpatchingandselectivereconstructionasnecessary.1.3