Evaluation and Selection of De-Icing Salt Based on Multi-Factor
1
Department of Civil Engineering, Tsinghua University, Beijing 100084, China
2
Research Institute of Highway Ministry of Transport, Beijing 100088, China
*
Author to whom correspondence should be addressed.
Materials 2019, 12(6), 912; https://doi.org/10.3390/ma12060912
Received: 18 February 2019
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Revised: 13 March 2019
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Accepted: 14 March 2019
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Published: 19 March 2019
(This article belongs to the Special Issue Sustainability in Construction and Building Materials)
De-icing salts can greatly ease traffic congestion but introduce corrosion of concrete and damage to plant growth. The decision of which de-icing salt to use becomes a crucial issue. In this study, several representative de-icing salts were investigated, and the effects of de-icing ability, salt freezing corrosion on concrete, and plant growth were comprehensively tested. Finally, the decision of de-icing salt was made based on analytic hierarchy process (AHP). Results show that de-icing salts achieving the best de-icing effect are not the same at different concentrations. De-icing salts of 3% concentration have the greatest corrosion to concrete. Notably, magnesium chloride and calcium magnesium acetate have the least impact on plants among all studied de-icing salts. Using AHP, ethylene glycol and calcium magnesium acetate are selected as optimal items under different priorities.
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Keywords:
de-icing ability; concrete peeling amount; plant drying rate; analytic hierarchy process; optimal item
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MDPI and ACS Style
Ke, G.; Zhang, J.; Tian, B. Evaluation and Selection of De-Icing Salt Based on Multi-Factor. Materials 2019, 12, 912. https://doi.org/10.3390/ma12060912
AMA Style
Ke G, Zhang J, Tian B. Evaluation and Selection of De-Icing Salt Based on Multi-Factor. Materials. 2019; 12(6):912. https://doi.org/10.3390/ma12060912
Chicago/Turabian StyleKe, Guoju, Jun Zhang, and Bo Tian. 2019. "Evaluation and Selection of De-Icing Salt Based on Multi-Factor" Materials 12, no. 6: 912. https://doi.org/10.3390/ma12060912
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