Journal of Highway and Transportation Research and Development
 
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Journal of Highway and Transportation Research and Development  2022, Vol. 16 Issue (3): 1-6    DOI:
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Research Status Review of Water Stability for Polyurethane Mixture
ZHONG Ke1,2, LI Sheng-liang2, SUN Ming-zhi1
1. Research Institute of Highway Ministry of Transport, Beijing 100088, China;
2. Chongqing Jiaotong University, Chongqing 400074, China
Abstract  In order to meet the diverse needs of pavement engineering for green, durability and functional improvement, in recent years, the application of polyurethane mixture in pavement engineering has received extensive attention. Through investigating the current research status of polyurethane mixture, this paper focuses on summarizing the research result 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 mixture is generally poor, but there is still lack of research on water damage mechanism of polyurethane mixture. The lack of water stability is the key problem restricting the application of polyurethane mixture.
Key wordsroad engineering      polyurethane      road performance      water stability      research status     
Received: 28 July 2022     
Fund:Supported by the Fundamental Research Funds for the Central Research Institute (No.2020-9053)
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ZHONG Ke
LI Sheng-liang
SUN Ming-zhi
Cite this article:   
ZHONG Ke,LI Sheng-liang,SUN Ming-zhi. Research Status Review of Water Stability for Polyurethane Mixture[J]. Journal of Highway and Transportation Research and Development, 2022, 16(3): 1-6.
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