Hengji Zhang

Title: Innovations of Hengji Zhang in Porous Pavement Materials

Introduction

Hengji Zhang is a notable inventor based in Shanghai, China. He has made significant contributions to the field of materials science, particularly in the development of innovative pavement materials. His work focuses on enhancing the properties of asphalt through the incorporation of red mud, a byproduct of aluminum production.

Latest Patents

Hengji Zhang holds a patent for "Asphalt modified with red mud for porous pavement material and application thereof." This invention provides a unique formulation for porous asphalt pavement material that includes asphalt, red mud, and aggregate. The mass ratio of asphalt to red mud is 1:(0.10-0.15), while the total mass ratio of asphalt and red mud to aggregate is (0.08-0.12):1. The modified asphalt significantly improves the purification properties and mechanical characteristics of the pavement material. The purification rate of suspended matter reaches 54.9-58.6%, and the purification rate of heavy metals, such as iron and lead, ranges from 34.3-46.1%.

Career Highlights

Hengji Zhang is affiliated with Tongji University, where he continues to engage in research and development in the field of civil engineering and materials science. His innovative approach to utilizing red mud in asphalt modification showcases his commitment to sustainable practices and environmental improvement.

Collaborations

Hengji Zhang has collaborated with notable colleagues, including Hui Li and Ming Jia. Their combined expertise contributes to the advancement of research in pavement materials and environmental applications.

Conclusion

Hengji Zhang's work in modifying asphalt with red mud represents a significant advancement in the field of porous pavement materials. His innovative approach not only enhances the mechanical properties of asphalt but also addresses environmental concerns related to heavy metal contamination.