3D-Printed Textured Pavement

Tunable wet friction

3D-printed regular macro-textures enable quantifiable friction tuning, maintaining high skid resistance even under wet conditions, overcoming the complexity of conventional pavements.

Guo, Fucheng · Pei, Jianzhong · Huang, Guojing · Zhe, Hu · Niu, Zhenxing · Cannone Falchetto, Augusto

Journal of Cleaner Production 2023

Specifications

pendulum number BPN
{'zh': '', 'en': '> 90'} under dry

Advantages

Friction sharply decreases under wet conditions, especially for semi-circular textures

Positive textures outperform negative textures

Friction slightly linearly increases with water film thickness and slightly decreases with temperature