Yunpu Qi

Title: Innovations of Yunpu Qi in Aquifer Grouting Methods

Introduction

Yunpu Qi is a notable inventor based in Beijing, China. He has made significant contributions to the field of aquifer engineering, particularly through his innovative grouting methods. His work focuses on enhancing the efficiency and effectiveness of ramp drivage in aquifers.

Latest Patents

Yunpu Qi holds a patent for a segmented grouting method for ramp drivage in an aquifer. This method is designed to improve grouting reinforcement by dividing the process into four distinct stages based on pressure changes. The stages include micro-pressure filling, low-pressure diffusion, medium-pressure reinforcement, and high-pressure fracturing. In the micro-pressure filling stage, an initial pressure of a grouting orifice is set to zero, utilizing a low-concentration single-component grout to fill the original fissures of the aquifer. The low-pressure diffusion stage employs a low-concentration bicomponent grout to expand the fissures and increase the grouting radius. The medium-pressure reinforcement stage uses a high-concentration bicomponent grout to strengthen the aquifer. Finally, the high-pressure fracturing stage reinforces new fractured fissures caused by high pressure, forming a confining bed.

Career Highlights

Yunpu Qi has worked with Norin Mining Limited and the University of Science and Technology Beijing. His experience in these organizations has contributed to his expertise in aquifer engineering and grouting techniques.

Collaborations

Yunpu Qi has collaborated with notable colleagues such as Chao Liu and Zhanglun Song. Their joint efforts have further advanced the research and application of innovative grouting methods.

Conclusion

Yunpu Qi's contributions to aquifer engineering through his segmented grouting method demonstrate his innovative spirit and dedication to improving environmental engineering practices. His work continues to influence the field and offers valuable solutions for aquifer management.