Chenghao Zhang's research at Ghent University in Belgium 'reveals how bentonite slurry's unique infiltration and sealing properties are critical for tunnel stability, with insights on optimizing its use under varying soil and water conditions to enhance tunneling safety and efficiency.'

PhD Title: Pressure Infiltration of Bentonite Slurry into Sand: Experiments, Mechanisms, and Significance for Practical Implications  Promotors: Wim Haegeman and Adam Bezuijen

https://www.ugent.be/ea/en/news-events/news/understanding-the-role-of-bentonite-slurry-in-tunnel-boring-machines

What Is Bentonite Slurry and Why Does It Matter?

Key Findings from the Research

A Path Forward