建筑外墙外保温系统性能与质量评价研究

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1、华中科技大学博士学位论文建筑外墙外保温系统性能与质量评价研究姓名：尹秀琴申请学位级别：博士专业：工程管理指导教师：李惠强2010-11-07 华中科技大学博士学位论文AbstractBuildingenergyefficiencyisanimportantpartofthecountry'senergysavingandemissionreductionproject.Externalwallthermalinsulatingtechnologycanimprovethethermalinsulationpropertiesofbuildingenvelope,andreducebuildin

2、genergyconsumption.Butinthecurrentmarkettherearemanykindsofexternalwallthermalinsulatingtechnologiesbyusingvarietiesofmethodstatementsandheatinsulatingmaterialswhicharemadebydifferentmanufactures,sothepropertyandqualityofeachthermalinsulatingtechnologyareirregularityandhavedifferenteffects.Therefore

3、,thedetailedstudyandevaluationonthepropertyandoverallqualityofexternalthermalinsulationsystem(ETIS)havecertaintheoreticalmeaningandprojectapplicationvalue.Inthisthesistheresearchcontentandmainachievementsareasfollows:Firstly,AnsyssoftwareandEnergyplusenergysimulationsoftwarewereusedtoanalyzetheperfo

4、rmancesofthermalinsulationofthreekindsofprevailingETIS,whicharepolystyrenegranulemortar,expandedpolystyrene(EPS)board,andpolyurethanefoamETIS.Underdifferentambienttemperatureconditionsinsummerandwinter,afteranalyzingtheheattransfereffectofthreekindsofETISbyusingAnsyssoftware,theresultindicatesthatth

5、eyallhavegoodheatpreservationandheatinsulationcapabilities,andinturnimproves,thebestispolyurethanefoamETIS.WithEnergyplusenergyconsumptionsimulationsoftwareanalyzedandtheresultshowsthattheenergyconsumptioninturnreduces.Theresultsoftwomethodsareconsistent;moreover,theresultsshowthatthicknessofthermal

6、insulationmaterialisthekeycontrolfactorforthermalinsulationperformanceofETIS.Secondly,withreferencetospecificationoftestingconditionsofatmosphericexposuretests,studiedthechangelawsofadhesivestrengthofthreekindsofETISwithtime.Withtheconditionsofhightemperature-sprayingwatercyclesimulatingsummerII 华中科

7、技大学博士学位论文environment,thedowntrendofadhesivestrengthofthreekindsofETISwereallsmoothandsteady.Whileundertheconditionsofheating-refrigerationcyclesimulatingwinterenvironment,thedowntrendofadhesivestrengt