Abstract
The aim of the work is to design lightweight thermal insulation mortar with function of improved thermal characteristics using glazed hollow beads and micro-encapsulated phase change materials (PCM). Various experimental methods are carried out to investigate the effect on physical, mechanical, thermal characteristics and air void distribution of different compositions and mix. The results show that the mortar composition has a significant effect on its physical, mechanical and thermal characteristics. Thermal conductivity and thermal effusivity decrease with increasing PCM content. Thermal characteristic tests using room device indicated that the room device prepared with PCM board can reduce both the maximum indoor center temperature and temperature fluctuations, and this effect becomes more significant as the PCM content increases. Meanwhile, high PCM content will increase the average air void size, which will increase the air void content of the mortar specimen significantly.
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