苏南地区常用外墙保温材料保温性能衰减实验研究

Thermal Insulation Performance Degradation of Thermal Insulation System for Exterior Walls in Southern Jiangsu

通过建立热物理参数相对恒定的外墙外保温体系热传导计算模型,采用实验室及现场实体检测的方法,分析对比几种常用外墙保温隔热材料在实际工程完工几年后的导热性能衰减程度。对比结果显示,随着外墙保温使用时间的增加,外墙保温材料的保温性能均有减弱的趋势。

By determining physical parameters in the general thermal transfer model for construction walls and collecting laboratory and field testing data,several popular thermal insulation materials are analyzed and compared in their thermal insulation performance degradation years after completion. The result indicates that their thermal insulation performance is more or less degrading over time.