低温建筑技术Dec.2022No.294-建筑材料研究及应用DOI:10.13905/j.cnki.dwjz.2022.12.016严寒地区真空绝热板外墙外保温应用传湿研究THEAPPLICATIONOFVACUUMINSULATIONBOARDFOREXTERNALINSULATIONINCOLDAREAS夏赟1,田野1,周斌琦2,张一恒1,孙嘉畦1,王熠鹏1,周洪淼1,樊春亭1(1.黑龙江省寒地建筑科学研究院,哈尔滨150080;2.黑龙江农业工程职业学院,哈尔滨150088)XIAYun1,TIANYe1,ZHOUBinqi2,ZHANGYiheng1,SUNJiaqi1,WANGYipeng1,ZHOUHongmiao1,FANChunting1(1.HeilongjiangProvinceAcademyofColdAreaBuildingResearch,Harbin150080,China;2.HeilongjiangAgriculturalEngineeringVocationalCollege,Harbin150088,China)【摘要】为了进一步研究严寒地区真空绝热板应用于外墙外保温传湿效果,文中利用冷凝验算方法及二维稳态传热计算软件PTemp模拟对比分析在严寒A区和B区的两种墙体构造,从而得到实际水蒸气分压P线和饱和蒸汽分压Ps线,验证在STP板处及板缝处水蒸气分压的情况,从而判定围护结构内部是否冷凝,并通过对应用项目双鸭山市经开发区科创中心大厦墙体进行实地的温湿度测试,进而研究STP板在外墙外保温系统的实际应用的传湿效果,也为STP板在严寒地区设计和施工提供参考。【关键词】真空绝热板(STP板);板缝;冷凝;外保温【中图分类号】TU55【文献标志码】A【文章编号】1001-6864(2022)12-0070-05Abstract:Theeffectivenessofvacuuminsulationboardappliedtoexteriorwallinsulationandmoisturetransferincoldregionsisinvestigated.TwokindsofwallstructuresincoldregionsAandBaresimulatedandanalyzedbythecondensationcheckingmethodandthetwo-dimensionalsteady-stateheattransfercalculationinPTempsoftware.Theactualsteampartialpressurecurveandsaturatedsteampartialpressurecurveareobserved.Thepartialpres⁃sureofwatervaporattheSTPboardandtheboardjointisverifiedthecondensationinsidetheenvelopestructure.ThroughthefieldtemperatureandhumiditymeasurementonthewalloftheapplicationprojectofShuangyashanDe⁃velopmentZoneKechuangCenterBuilding,thehumiditytransfereffectivenessoftheactualapplicationofSTPboardintheexteriorinsulationsystemisstudied,whichmayprovidethereferenceforthedesignandconstructionofSTPboardinthecoldareas.Keywords:vacuuminsulationboard(STPboard);plateseam;conde...