An Analytical Investigation into the Water Film Dynamics at the Connection Lines of Highways and Urban Roadways
Journal Title: Journal of Urban Development and Management - Year 2023, Vol 2, Issue 4
Abstract
This study uses BIM software and fluid simulation finite element analysis software to investigate the impact of the water film effect on the surfaces where highways connect with urban roads. The analysis indicates that the drainage length (L), road surface slope (i), rainfall intensity (I), and road surface construction depth (T) are significant factors affecting the thickness of the water film (H) generated by the said effect. The thickness of the water film grows with an increase in drainage length and rainfall intensity; however, it decreases with an increase in road surface slope and road surface construction depth. The approximate relationship between the water film thickness and these four influencing factors is H ∝ L^(4.02655)*i^(−1.65562)*(0.87I + 1.26)*(4.07 − 0.17 T − 0.13)^2. When the water film is thin, the area occupied by the water film in front of the car tires is small; as the thickness of the water film increases, the area it occupies gradually increases, and the tires are gradually lifted by the water film. When lifted to a certain height, the "hydroplaning" phenomenon occurs, which can lead to traffic safety issues. The results of this study are expected to provide a reference for related research on connection lines.
Authors and Affiliations
Shuai Shao, Peng Tian, Hanghao Zhang, Hao Zhang, Heng Zhang, Li Li
Keywords
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- EP ID EP732655
- DOI https://doi.org/10.56578/judm020402
- Views 55
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