In order to meet the diverse needs of pavement engineering for green, durability, and functional improvement in recent years, the application of a polyurethane mixture in pavement engineering has received extensive attention. Investigating the current research status of polyurethane mixtures, this paper focuses on summarizing the research results in the field of water stability, while presenting the problems of current research and proposing feasible research directions. The results show that polyurethane has greatly improved the road performance of asphalt mixtures. The water stability of polyurethane mixtures is generally poor, but there is still a lack of research on water damage mechanisms of polyurethane mixtures. The lack of water stability is the key problem restricting the application of polyurethane mixtures.
Research Status Review of Water Stability for Polyurethane Mixtures
J. Highway Transp. Res. Dev. (English Ed.)
2022-09-01
Article (Journal)
Electronic Resource
English
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