A review of porous elastic road surface as ultra-low noise pavement

Porous elastic road surface (PERS), with its high porosity and elasticity, has emerged as one of the most effective low-noise pavements, garnering considerable attention. This paper reviews the latest research developments on PERS, focusing on its noise reduction performance, road performance, and durability. By studying the noise reduction mechanisms and influencing factors, a relationship has been established between material and structural composition and noise reduction performance. Discussions on pavement performance and durability provide insights into the internal mechanisms of mixture properties, aiding in extending the service life and functional durability of the pavement. To optimize the noise reduction performance of PERS while ensuring its pavement performance and durability, it is crucial to select appropriate materials and design a rational structure. Additionally, the environmental impact assessment of PERS is analyzed. Given its significant environmental benefits and broad scope for further research, PERS is poised to become a promising sustainable pavement material.