Yong Chen1, Yinghao Huang1,2,*, Min Wu1 and Shuo Wang1
Journal of Renewable Materials, Vol.10, No.4, pp. 1153-1173, 2022, DOI:10.32604/jrm.2022.018856
Abstract Phase change materials (PCMs) can store large amounts of energy in latent heat and release it during phase
changes, which could be used to improve the freeze-thaw performance of soil. The composite phase change material was prepared with paraffin as the PCM and 8% Class C fly ash (CFA) as the supporting material. Laboratory
tests were conducted to reveal the influence of phase change paraffin composite Class C fly ash (CFA-PCM) on
the thermal properties, volume changes and mechanical properties of expansive soil. The results show that PCM
failed to establish a good improvement effect due to leakage. CFA can… More >
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