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重庆大学硕士学位论文聚苯颗粒保温砂浆的研制与工程应用姓名：杨凯申请学位级别：硕士专业：材料学指导教师：彭家惠20060401I(EPS)EPSEPSEPSEPSEPSEPSEPS····IIABSTRACTExpandedpolystyreneEPSinsulatingmortarisoneofmostapplicableexteriorwallexteriorthermalinsulatingtechniquesintheregionofhotinsummerandcoldinwinteratpresentduetoitsadvantagessuchasexcellentthermaltechnicalproperty,highdurability,convenientconstructionandcompetitiveperformance/costratio.WehavedevelopedEPSinsulatingmortarandapplieditinalotofprojects.Duringprojectspractice,someshortcomingshavebeenexplored.Inordertomeettheneedofrapiddevelopmentofenergyefficiencyinbuildings,thepreparationandpropertiesofEPSinsulatingmortararefurtherimprovedandoptimized.Inthisstudy,influencesofvariouscomponentsonthepropertiesofEPSinsulatingmortarwereinvestigatedtoselecttheappropriatekindandoptimaldosageofthemaincomponentsandfurtherimproveitsintegrativeperformances.Selectingoriginalexpandedpolystyreneasthefineaggregate,byfulluseofthecharacteristicsofEPSsuchashighthermalinsulationresistance,goodalkaliresistance,excellentchemicalstability,hydrophobicandcloseporestructure,andrelativelyhightoughness,originallyvesicantEPSgranulewasadoptedaslightaggregatetoprepareinsulatingmortartoimproveitsthermaltechnicalproperties.BysurfacemodificationofEPS,changingitssurfacefromhydrophilictohydrophobic,thetechnicaldifficultiesaresolvedsuccessfullyincludingdifficultwettingofinorganicbodingmaterialsonEPSsurface,weakworkabilityofthefreshmixtures,andlowbodingstrength.ThistechnologyofsurfacemodificationwithlowcostestablishesthebasisfortheapplicationofEPSinthermalinsulationandconcreteonlargescale.Inordertoimproveitstoughnessandcrackresistant,someeffectivemeasuressuchasfibrereinforcementandcompensatingshrinkagewithexpansionagentwereemployed,andtheprimalexpansionagentandfibrelengthwereinvestigated.Byadditionoforganicsiliconetypewaterproofadmixture,thewaterresistant,moistureproof,climateresistantandwaterresistantbondingstrengthofEPSinsulatingmortariseffectivelystrengthened.Inaddition,water-retentingagentswereemployedtoimproveitsworkability.Accordingthedifferentrequiresofexteriorwalldecorativematerialssuchascoatingandtile,combinewithEPSinsulatingmortar’seminencepropertiesusedonexternalthermalinsulation,twodifferentEPSinsulatingmortarwallinsulatingconstructionalsestemshavebeenestablished.Furthermore,theircorrespondingIIIConstructionTechnicalSpecificationandconstructionprocesshavebeenalsoestablished,ensuringitsstandardconstructionandintegratedproperties.Practicalprojectapplicationshows,thetechnologicandeconomicperformanceofEPSthermalinsulationmortarisgreatlysuperiortothetraditionalone.Duetogoodcrackresistanceandweatherresistance,thisnewtypeofinsulationmortarcouldbeappliedinexteriorthermalinsulationofexteriorwall,whichimprovesthetechnologicalperformanceoftraditionalthermalinsulationmortargreatlyandbreaksthroughthelimitsoftraditionalinsulationmortaronlyappliedininteriorwall.Moreover,becauseofgoodcrackresistance,polymerandcementcompositemortarreinforcedwithfiberglassfabricisnotrequiredtobeusedasprotectionlayertoavoidthecrackofouterlayer,therefore,itsperformancecostratiohasobviousadvantageandhighcompetitioncapacity,andcanbeappliedinexteriorthermalinsulationofexteriorwall,interiorthermalinsulation,heatbridge,floorthermalinsulationofbuilding,roofthermalinsulationandsoon.Hitherto,EPSinsulatingmortarexteriorwallinsulatingseytemhasbeensuccessfullyappliedinmanyrealestateprojectsmanyprojectsonalargescalesuchasFutureCityofJiangong,Shidaijingying,XiangzhanglinVellaofLonghu,Haitangxiaoyue,ZiduCityofLonghuandsoon,gaininggoodsocialandeconomicbenefits.Keywords:ExpandedpolystyreneEPSgranule,Insulatingmortar,property,Exteriorwallexteriorthermalinsulating,Systemconstructs,Projectapplication1111.12070211979[1][2]1.1.111.0%13.2%45.5%55.1%11.3%3.8%19.945.150[345](/GDP)59[6]11.3%3.8%51.3%2.3[7]123.5GDP10001993“”“”“”“”[8]2020GDP2000“”7.2%4%“”“”GDP2000132020258[9]“”GDP1.1.2[1011]133040197810%200127.45%1.135%40%[12][13]1.1[41]Fig.1.1RelationshipofTotalECAndBEC141.1.320003.56t27.8%1/325%[14]20506516.19m2200076.6m2(44.1m2)299.4m2(80%)80901.8m20.4%%3060[15]“”57m227m230m2[16]1.21.2.117960Km2155(1.2)[1718]565%()1.2.220802090(JGJ2695)1.2Fig.1.2BuildingClimaticProvinceofChina16(JGJ1342001)(JGJ752003)——[1920]20026“”50%10m250%[21]200463020042020[22]GDP“1720047656520037“”“″[19]20051.2.3[23][24]20034001313-5[252627]1)2)18—3)4)1.2.4“”50%JGJ26-95JGJ134-20011965%50%50%30%201025%15%10%800050020101.60.62.23.21500KWCO25.94.21.71.3[2829]198630%19962050%16.3%28%[30]1.3.1“”1101[3132]a.b.c.a.b.111[33][34][3536][37]2[38]1/3[39]3[40][41][4243][44]112[45]abc3[46][47]a.b.113c.d.[48]()a.b.c.d.e.f.4114[41]“”()[49][50]1.3.2a“”[51]b,,,115,,,c1.41.4.1“”[52]1/5“”1161.4.22%40%10000m24-60.8%80m23000-5000/m224-40444858451171.4.3(305065)[53]101.5[54]EPSXPS118[55]—[56]L10%[575859],,,119251.61.6.1EPSEPSEPS50%65%EPSEPSEPS1201.6.2EPSEPSEPSEPSEPSEPS22122.12.1.1P.O42.5P.O32.5P.O52.52.1.2EPSEPS2.12.1EPSTable2.1densityandparticlegradeofEPSgranuleEPSkg/m3(mm)EPS1201.5EPS2202.5EPS3552.5EPS472.61.02.1.3VFPA2.1.4H2.1.512mm6mm8mm15mm19m