In the ever-evolving landscape of road engineering, a groundbreaking study led by Siriguleng from the College of Sciences at Inner Mongolia University of Technology is set to revolutionize how we evaluate pavement roughness, particularly on rural low-grade roads. Published in the esteemed journal ‘Zhongwai Gonglu’ (which translates to ‘China and Foreign Highway’), this research presents an innovative, cost-effective method that could significantly impact the energy sector and beyond.
Traditional methods of pavement roughness evaluation have long been plagued by high costs and low efficiency, hindering the accumulation of crucial data on rural roads. Siriguleng and his team have tackled this challenge head-on by developing a smartphone-based application that collects vehicle vibration data, offering a more accessible and economical solution.
The study proposes a novel conversion method to calculate an index equivalent to the international roughness index (IRI), dubbed IRI’. By leveraging high-pass filtering and denoising techniques on vertical acceleration signals collected during vehicle travel, the researchers derive vertical displacement data to compute the IRI’. “Although the data collected by smartphones has slightly lower accuracy than that collected by professional detection equipment, the proposed IRI’ exhibits a high correlation with the traditional IRI’, effectively reflecting pavement roughness characteristics,” explains Siriguleng.
The implications of this research are far-reaching, particularly for the energy sector. Efficient and cost-effective pavement roughness evaluation can lead to better maintenance planning, reduced fuel consumption, and lower emissions from vehicles navigating poorly maintained roads. “This method provides an economical, efficient, and convenient solution for roughness detection on low-grade roads, with significant application value for large-scale pavement condition monitoring and preliminary screening,” adds Siriguleng.
The study’s findings suggest that this smartphone-based approach could be a game-changer for large-scale pavement condition monitoring, offering a practical tool for preliminary screening and data accumulation. As the world moves towards smarter and more sustainable infrastructure, this research paves the way for future developments in road engineering and beyond.
In an era where technology is increasingly integrated into our daily lives, this innovative use of smartphones for pavement roughness evaluation exemplifies the potential of leveraging everyday devices for professional applications. As Siriguleng and his team continue to refine their method, the future of road engineering looks brighter, smoother, and more connected than ever before.

