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Influence Of Microencapsulated Phase Change Materials (Pcms) On The Chloride Ion Diffusivity Of Concretes Exposed To Freeze-Thaw Cycles: Insights From Multiscale Numerical Simulations, Sumeru Nayak, Gideon A. Lyngdoh, Sumanta Das
Influence Of Microencapsulated Phase Change Materials (Pcms) On The Chloride Ion Diffusivity Of Concretes Exposed To Freeze-Thaw Cycles: Insights From Multiscale Numerical Simulations, Sumeru Nayak, Gideon A. Lyngdoh, Sumanta Das
Faculty Publications - Biomedical, Mechanical, and Civil Engineering
Use of phase change materials (PCMs) to tailor the thermal performance of concretes by efficient energy storage and transmission has gained traction in recent years. This study incorporates microencapsulated PCMs as sand-replacement in concrete bridge decks and performs numerical simulation involving multiple interactive length scales to elucidate the influence of PCM-incorporation in concretes subjected to combined freeze-thaw and chloride ingress-induced deterioration. The simulations show significant increase in durability against combined freeze-thaw and chloride ingress-induced deterioration in concretes when microencapsulated PCMs are incorporated. In addition, a reliability-based probabilistic analysis shows significant increase in life expectancy of bridge decks with PCM-incorporation. The …