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1、坡屋面概况Section1传统坡屋面(湿作业)砂浆卧瓦屋面构造1、砼基层2、找平层3、防水层4、保温层6、40mm厚细石混凝土保护层9、卧瓦砂浆10、屋面瓦建筑效果差砂浆污染物面瓦安全性差屋面瓦脱落-维护成本高即将出版发行的《坡屋面技术规程》摒弃了砂浆卧瓦的做法。现代流行坡屋面(干法作业)干法作业坡屋面构造1、砼基层2、找平层3、防水层4、保温层7、顺水条8、挂瓦条10、屋面瓦-倒置式屋面防水层置于保温层下面水汽影响保温效果大多数保温材料吸水率高目前坡屋面存在的一些问题构造复杂防水效果差施工难度大维护成本高实际热工
2、性能差施工周期长潮气存在影响屋面寿命高成本坡屋面技术发展方向:-正置式防水-通风屋面,提高屋面节能效率-保持屋面干燥,延长屋面寿命-构造简单,易施工-低成本,低维护费用坡屋面新技术发展MoreeasyforrooferBetterperformanceIsolinesystemmeettherequirementofthenewrooftechnology1.GradeofwaterproofGradeofwaterproofnumberofseparat
3、ewaterprooflayerlifeofthewaterproofGrade13andabove25yearsGrade22layers15yearsGrade31layer10yearsGrade41layer5yearsRemark:concreteorclaytileactasoneseparatewaterprooflayer.normalcivilbuildinghaveGrade2or3.Code&standardaboutsloperoofinChinaThecomingsloperoofcode
4、:-GradeofwaterproofnumberofseparatewaterprooflayerlifeofthewaterproofGrade1120yearsGrade21lessthan20yearsCorrugatedbitumensheetasanewwaterprooflayerOrdinalroofsystemisprimary(waterproofmembraneoverinsulationboard)Code&standardaboutsloperoofinChina2.Energysavin
5、gpolicyNorthChinaRoof(coldregions)K,heattransfercoefficient,≤0.45W/(m2·K)xpsinsulationboardthickness:60mmSouthchinaroof(warmregions)K,heattransfercoefficient,≤1W/(m2·K)D,indexofthermalinertia,≥3xpsinsulationboardthickness:30m
6、md,thicknessoftheinsulation,mmλ,coefficientofthermalconductivity,W/(m·k)α,correctionfactorforλ,XPS,1.1EPS,1,3R,thermalresistance,m2·k/wS,coefficientofthermalstorageD,indexofthermalinertiaThermalresistanceoftheroofsystemBasiccalculationFormulaofthermal:Casestud
7、yHowtocalculateventilationtributeinenergysaving?Noanswerstillnow.ChinateamwillstartthetestprocessTestresultofothercountryThermalperformancecalculationnotincludetheeffectofventilationforlackoftheinterrelateddata.Themorethicknessofinsulationboardthemoredifficult
8、installation.爱舍宁通风防水屋面系统Section2爱舍宁通风屋面系统(混凝土屋面)崭新的屋面系统-防水理念创新防排结合的防水理念防水材料功能延伸通风节能除湿爱舍宁通风屋面系统(有檩体系)长度:2000mm宽度:1010mm厚度:2.6mm波高:24mm波间距:48mm重量:3.26kg/m2有效使用面积:1,80m2/片爱舍宁波性沥青防水板各种