Parametric Analysis of the Drainage Performance of Porous Asphalt Pavement Based on a 3D FEM Method
Publication: Journal of Materials in Civil Engineering
Volume 32, Issue 12
Abstract
Porous asphalt pavement can reduce noise and improve road safety and driving comfort on rainy days. The seepage model derived from the one-way gradient flow theory cannot truly reflect the seepage process of rainwater inside the drainage layer. In this study, the drainage performance of porous asphalt pavement with different designs was evaluated using a three-dimensional seepage finite element method (FEM), and the drainage capacity of porous asphalt pavement was calculated using short-term rainfall intensity. The results indicated that the drainage capacity of porous asphalt pavement can be effectively improved by increasing cross slopes, the surface course layer thickness, and the permeability coefficient of porous asphalt mixture. Moreover, the pavement width had a significant impact on the drainage performance of porous asphalt pavement.
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Data Availability Statement
Some or all of the data, models, or code that support the findings of this study are available from the corresponding author on reasonable request. This paper includes the test data and model.
Acknowledgments
This research was supported by National Key R&D Program of China (2018YFB1600101), National Natural Science Foundation of China (51908286) and National Natural Science Foundation of Jiangsu Province (BK20191278). Also, we would like to thank Dr. Lei Gao for his great help in this research.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 32 • Issue 12 • December 2020
Copyright
© 2020 American Society of Civil Engineers.
History
Received: Aug 21, 2019
Accepted: Jun 2, 2020
Published online: Sep 25, 2020
Published in print: Dec 1, 2020
Discussion open until: Feb 25, 2021
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