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Article

Distribution Map of Frost Resistance for Cement-Based Materials Based on Pore Structure Change

1
Department of Civil Engineering and Architecture, Muroran Institute of Technology, Hokkaido 0508585, Japan
2
Department of Civil Engineering, Hanoi Architectural University, Hanoi 100000, Vietnam
3
Institute of Industrial Science, the University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
*
Author to whom correspondence should be addressed.
Materials 2020, 13(11), 2509; https://doi.org/10.3390/ma13112509
Received: 8 May 2020 / Revised: 26 May 2020 / Accepted: 29 May 2020 / Published: 31 May 2020
(This article belongs to the Collection Concrete and Construction Materials)
This paper presents a prediction method and mathematical model based on experimental results for the change in pore structure of cement-based materials due to environmental conditions. It focuses on frost damage risk to cement-based materials such as mortar. Mortar specimens are prepared using water, ordinary Portland cement, and sand and the pore structure is evaluated using mercury intrusion porosimetry. New formulas are proposed to describe the relationship between the pore structure change and the modified maturity and to predict the durability factor. A quantitative prediction model is established from a modified maturity function considering the influences of environmental factors like temperature and relative humidity. With this model, the frost resistance of cement-based materials can be predicted based on weather data. Using the prediction model and climate data, a new distribution map of frost damage risk is created. It is found that summer weather significantly affects frost resistance, owing to the change in pore structure of cement-based mortar. The model provides a valuable tool for predicting frost damage risk based on weather data and is significant for further research. View Full-Text
Keywords: frost resistance; pore structure; cement-based materials; mercury intrusion porosimetry; maturity; durability factor frost resistance; pore structure; cement-based materials; mercury intrusion porosimetry; maturity; durability factor
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MDPI and ACS Style

Xuan Quy, N.; Noguchi, T.; Na, S.; Kim, J.; Hama, Y. Distribution Map of Frost Resistance for Cement-Based Materials Based on Pore Structure Change. Materials 2020, 13, 2509. https://doi.org/10.3390/ma13112509

AMA Style

Xuan Quy N, Noguchi T, Na S, Kim J, Hama Y. Distribution Map of Frost Resistance for Cement-Based Materials Based on Pore Structure Change. Materials. 2020; 13(11):2509. https://doi.org/10.3390/ma13112509

Chicago/Turabian Style

Xuan Quy, Nguyen; Noguchi, Takumi; Na, Seunghyun; Kim, Jihoon; Hama, Yukio. 2020. "Distribution Map of Frost Resistance for Cement-Based Materials Based on Pore Structure Change" Materials 13, no. 11: 2509. https://doi.org/10.3390/ma13112509

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