Estelle Cagnat
Papers
1
Total Citations
14
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About
Estelle Cagnat is a leading expert in subsea tunneling and large-diameter mechanized excavation, with a focus on overcoming extreme geotechnical challenges. Her most notable contribution is her work on the Tuen Mun–Chek Lap Kok Link in Hong Kong, a landmark infrastructure project featuring a 4.5 km subsea tunnel. Cagnat’s research details how the project tackled unprecedented groundwater pressures exceeding 5 bar and the need to replace over 2,000 disc cutters on two 14 m diameter slurry tunnel boring machines in hard rock conditions. This work, published in 2019 and cited 14 times, has become a key reference for engineers designing deep subsea tunnels in complex urban environments. Cagnat’s achievements demonstrate her ability to bridge cutting-edge construction methods with practical risk management, making her a respected figure in geotechnical engineering. Her insights continue to guide major tunneling projects worldwide, particularly those involving high water pressures and abrasive ground.
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