Mr. Zijian He joined Prof. Leng’s group as a MSc student from August 2019. He obtained his bachelor’s degree from the University of Western Australia (UWA) in 2019 and MSc degree from PolyU in 2021. His MSc work focused on long-term performance of asphalt mortar mixed with reclaimed asphalt pavement and recycling additives. He started his Ph.D study from September 2022 and his research work focuses on toughening of steel bridge deck paving materials.