【英文标准名称】:StandardGuideforDeterminingandEvaluatingCausesofWaterLeakageofLow-SlopedRoofs
【原文标准名称】:低斜度屋顶漏水原因测定和评定的标准指南
【标准号】:ASTMD7053-2007
【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】:D08.20
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:原因;测定;评定;泄漏量;屋顶;水
【英文主题词】:evaluation;inspection;leaks;low-slopedroof;roof;testing;waterleakage
【摘要】:1.1Thisguidedescribesmethodsfordeterminingandevaluatingcausesofwaterleakageinlow-slopedroofs.Forthispurpose,waterpenetrationisconsideredleakageandthereforeproblematic,iscausingorislikelytocauseprematuredeteriorationoftheroof,buildingoritscontents,orisadverselyaffectingtheperformanceofothercomponentsofthebuildingAroofisconsideredanassemblyincludingthemembrane,insulation,vaporretarder(ifrequired),deck,andstructuralcomponents.1.1.1Thisguideexcludesmoisture-relatedproblemsinroofscausedbycondensation.Note1Condensation-Moisture-relatedproblemsinroofsystemsmaybecausedbycondensationofhumidairoriginatingfromwithinthebuildingandbeincorrectlyattributedtoleakagefromrainwater.Theprotocolforaninvestigationofdampnessduetocondensationandiscomplicated,requiresspecialexpertise,andisbeyondthescopeofthisguide.Forinformationregardingcondensationproblemsastheyrelatetoroofs,refertoASTMMNL18,ASTMMNL40,andASHRAEHandbook2005Fundamentals.1.2Investigativetechniquesdiscussedmaybeintrusive,disruptive,ordestructive.Itistheresponsibilityoftheinvestigatortoestablishthelimitationsofuse,toanticipateandadviseofthedestructivenatureofsomeprocedures,andtoplanforrepairingandselectivereconstructionasnecessary.1.3Thisguidedoesnotaddresssteep-slopedroofs,standingorflatseammetalroofs,orarchitecturalstandingseammetalroofs.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.
【中国标准分类号】:P31
【国际标准分类号】:91_060_20
【页数】:8P.;A4
【正文语种】: