第37卷第1期粉煤灰综合利用Vol.37No.12023年2月FLYASHCOMPREHENSIVEUTILIZATIONFeb.2023建筑节能寒冷地区近零能耗公共建筑气密性分析*AirTightnessAnalysisofNear-zeroEnergyConsumptionPublicBuildingsinColdAreas王富谦1,李庆晓2,汪妮1,陈彩苓1(1.河北省建筑科学研究院有限公司,河北石家庄050227;2.邢台市建设工程招投标和绿色建筑发展中心,河北邢台054005)摘要:近零能耗建筑以其优异的室内环境和极低的建筑能源消耗,近几年在我国得到了快速的推广应用,并且为我国的碳中和、碳达峰在建筑领域中的贡献占据了重要的地位。基于此,本文根据近零能耗公共建筑的主要指标,包括室内环境、建筑能耗、气密性要求,及寒冷地区既有普通建筑气密性调查现状,结合河北省寒冷地区近零能耗公共建筑实际项目案例,分析了气密性对近零能耗公共建筑能耗的影响。研究结果表明:当建筑气密性N50≤1.0h-1时,气密性数值逐渐增加时,气密性对建筑能耗影响较小;当建筑气密性N50从1.0h-1数值逐渐增加时,气密性对建筑能耗影响较大;最后从建筑外门窗选择及施工过程角度给出了提高近零能耗公共建筑气密性的措施。关键词:气密性;近零能耗公共建筑;建筑能耗中图分类号:TU723.3文献标志码:A文章编号:1005-8249(2023)01-0108-05DOI:10.19860/j.cnki.issn1005-8249.2023.01.019WANGFuqian1,LIQingxiao2,WANGNi1,CHENCailing1(1.HebeiAcademyofBuildingResearchCo.,Ltd,Shijiazhuang050227,China;2.XingtaiConstructionProjectBiddingandGreenBuildingDevelopmentCenter,Xingtai054005,China)Abstract:Near-zeroenergyconsumptionbuildingswithitsexcellentindoorenvironmentandverylowbuildingenergyconsumptionhavebeenrapidlypopularizedinrecentyears,andithasplayedanimportantroleforcarbonneutralizationandcarbonpeakinthebuildingfield.Basedonthis,thispaperisbasedonthemainindicatorsofnear-zeroenergyconsumptionpublicbuildings,includingindoorenvironment,buildingenergyconsumption,airtightnessrequirements,andthispaperintroducestheinvestigationstatusofairtightnessofexistingcommonbuildingsincoldareas,analyzestheimpactofairtightnessontheenergyconsumptionofnear-zeroenergypublicbuildingsincoldareasofHebeiProvince,theresultsshowthatwhenbuildingairtightnessN50≤1.0h-1andtheairtightnessvaluei...