Kejie Zhai

Title: Innovator Kejie Zhai: Advancing Pipeline Repair Techniques

Introduction

Kejie Zhai, an accomplished inventor based in Henan, China, has made significant strides in the field of infrastructure repair. With one patent to his name, Zhai specializes in innovative methods that enhance the efficiency and durability of pipeline repairs, particularly in the context of Prestressed Concrete Cylinder Pipe (PCCP).

Latest Patents

Zhai's notable patent is titled "In-service repair method combining externally bonded pre-stressed FRP and polymer grouting for PCCP with broken wire." This innovative repair method involves several key steps: excavating the PCCP pipeline that requires repair, supporting it with a specialized device, and treating the outer wall where damage has occurred. The process includes winding Fiber Reinforced Polymer (FRP) around the damaged section, applying tension, and bonding the FRP securely to the pipe's surface. Finally, a grouting pipe is installed, and polymer is injected to ensure stability and compactness of the soil surrounding the pipeline.

Career Highlights

Throughout his career, Kejie Zhai has been associated with distinguished companies such as Welead Infrastructure Engineering Technology and Safekey Engineering Technology in Zhengzhou. His work with these organizations has allowed him to refine his expertise in infrastructure engineering and broaden his impact on the industry.

Collaborations

Zhai has collaborated with notable professionals in his field, including coworkers Fuming Wang and Hongyuan Fang. These collaborations have facilitated the exchange of innovative ideas and techniques, further enriching the solutions developed for pipeline integrity and repair.

Conclusion

Kejie Zhai stands out as a thoughtful inventor dedicated to advancing pipeline repair technologies. His contributions, particularly through his patented methods, reflect a commitment to improving infrastructure reliability and safety. As he continues to innovate, Zhai’s impact on engineering practices will likely resonate across the industry.