A Study on the Durability of PCM Mixed Concrete for the Reduction of Cold and Hot Damage

doi:10.15683/kosdi.2024.6.30.390

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2024 Vol.20, Issue 2 Preview Page Next Page

Original Article

A Study on the Durability of PCM Mixed Concrete for the Reduction of Cold and Hot Damage 혹한·혹서 피해 저감용 PCM 혼입콘크리트의 내구성에 관한 연구: 김호열¹ㆍ장일영²*
Hoyeol Kim¹, Il Young Jang²*; ¹Doctor's Course, Department of Civil Engineering, Kumoh national Institute of Technology, Gumi, Republic of Korea
¹Professor, Department of Civil engineering, Kumoh national Institute of Technology, Gumi, Republic of Korea

30 June 2024. pp. 390-397

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Abstract

Purpose: In this study, PCM was used to give thermal performance to concrete and analyze its effect on durability to prevent disasters that may occur in concrete when exposed to hot and cold environments. Method: After preparing concrete specimens containing 10, 30, and 50% of the two types of PCMs compared to the cement volume, the pore volume, freeze melting resistance, and scaling resistance were evaluated. Result: Regardless of the type, when PCM powder was mixed with concrete, the amount of pores decreased, and when 10% and 30% were mixed, the freeze-melting resistance was also improved. It was also confirmed that the higher the mixing amount, the better the scaling resistance. Conclusion: When mixing powdered PCM into concrete, it is believed that durability can be improved to a certain level by the filling effect, and additional various studies should be supported for actual field application.

Keywords

Concrete

Phase change material

Freeze-thaw

Concrete peeling

Porosimeter

연구목적: 본 연구에서는 혹서 및 혹한 환경에 노출 콘크리트에서 발생할 수 있는 재난을 방지하기위해 PCM을 활용해 콘크리트에 열성능을 부여하고 내구성에 미치는 영향을 분석하였다. 연구방법: 두 종류의 PCM을 시멘트 부피대비 10, 30, 50% 혼입한 콘크리트를 제작한 후 공극량, 동결융해 저항성, 스케일링 저항성을 평가하였다. 연구결과: 종류에 상관없이 PCM 분말을 콘크리트에 혼입할 경우 공극량이 감소되는 것으로 나타났고 10%, 30% 혼입시 동결융해 저항성 또한 향상되는 것으로 나타났다. 또한 혼입량이 높아질수록 스케일링 저항성이 향상되는 것을 확인하였다. 결론: 분말형태의 PCM을 콘크리트에 혼입 시 일정수준까지는 채움효과에 의해 내구성을 향상시킬 수 있을 것으로 판단되며 실제 현장 적용을 위해서는 추가적으로 다양한 연구가 뒷받침 되어야 할 것으로 사료된다.

키워드

콘크리트

상변화재료

동결융해

콘크리트박리

수은압입법

References

Cabeza, L.F., Castellon, C., Nogues, M., Medrano, M., Leppers, R., Zubillaga, O. (2007). "Use of microencapsulated PCM in concrete walls for energy savings." Energy and Buildings, Vol. 39, No. 2, pp. 113-119. 10.1016/j.enbuild.2006.03.030
Cheng, R., Pomianowski, M., Wang, X., Heiselberg, P., Zhang, Y. (2013). "A new method to determine thermophysical properties of PCM-concrete brick." Applied Energy, Vol. 112, pp. 988-998. 10.1016/j.apenergy.2013.01.046
Forty, A. (2013). Concrete and Culture: A Material History. Reaktion Books. United Kingdom of Great Britain and Northern Ireland.
Meshgin, P., Xi, Y. (2013). "Multi-scale composite models for the effective thermal conductivity of PCM-concrete." Construction and Building Materials, Vol. 48, pp. 371-378. 10.1016/j.conbuildmat.2013.06.068
Shen, Y., Liu, S., Zeng, C., Zhang, Y., Li, Y., Han, X., Yang, L. (2021). "Experimental thermal study of a new PCM-concrete thermal storage block (PCM-CTSB)." Construction and Building Materials, Vol. 293, 123540. 10.1016/j.conbuildmat.2021.123540
Thiele, A.M., Sant, G., Pilon, L. (2015). "Diurnal thermal analysis of microencapsulated PCM-concrete composite walls." Energy Conversion and Management, Vol. 93, pp. 215-227. 10.1016/j.enconman.2014.12.078
Yang, E.M., Lee, H.R., Cho, C.H. (2016). "Effect of precursor alumina particle size on pore structure and gas permeation properties of tubular α-alumina support prepared by slip casting process." Membrane Journal, Vol. 26, No. 5, pp. 372-380. 10.14579/MEMBRANE_JOURNAL.2016.26.5.372

Information

Publisher :The Korean Society of Disaster Information
Publisher(Ko) :한국재난정보학회
Journal Title :Journal of the Society of Disaster Information
Journal Title(Ko) :한국재난정보학회논문집
Volume : 20
No :2
Pages :390-397
DOI :https://doi.org/10.15683/kosdi.2024.6.30.390

[1] Cabeza, L.F., Castellon, C., Nogues, M., Medrano, M., Leppers, R., Zubillaga, O. (2007). "Use of microencapsulated PCM in concrete walls for energy savings." Energy and Buildings, Vol. 39, No. 2, pp. 113-119. 10.1016/j.enbuild.2006.03.030

[2] Cheng, R., Pomianowski, M., Wang, X., Heiselberg, P., Zhang, Y. (2013). "A new method to determine thermophysical properties of PCM-concrete brick." Applied Energy, Vol. 112, pp. 988-998. 10.1016/j.apenergy.2013.01.046

[3] Forty, A. (2013). Concrete and Culture: A Material History. Reaktion Books. United Kingdom of Great Britain and Northern Ireland.

[4] Meshgin, P., Xi, Y. (2013). "Multi-scale composite models for the effective thermal conductivity of PCM-concrete." Construction and Building Materials, Vol. 48, pp. 371-378. 10.1016/j.conbuildmat.2013.06.068

[5] Shen, Y., Liu, S., Zeng, C., Zhang, Y., Li, Y., Han, X., Yang, L. (2021). "Experimental thermal study of a new PCM-concrete thermal storage block (PCM-CTSB)." Construction and Building Materials, Vol. 293, 123540. 10.1016/j.conbuildmat.2021.123540

[6] Thiele, A.M., Sant, G., Pilon, L. (2015). "Diurnal thermal analysis of microencapsulated PCM-concrete composite walls." Energy Conversion and Management, Vol. 93, pp. 215-227. 10.1016/j.enconman.2014.12.078

[7] Yang, E.M., Lee, H.R., Cho, C.H. (2016). "Effect of precursor alumina particle size on pore structure and gas permeation properties of tubular α-alumina support prepared by slip casting process." Membrane Journal, Vol. 26, No. 5, pp. 372-380. 10.14579/MEMBRANE_JOURNAL.2016.26.5.372

Journal of the Society of Disaster Information ISSN:1976-2208(Print) 2671-5287(Online) 한국재난정보학회논문집

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