Mountain Tunnel in Just 10 Months! Why Mumbai-Ahmedabad Bullet Train Project Is ‘Digging’ This New Technique

Mountain Tunnel in Just 10 Months! Why Mumbai-Ahmedabad Bullet Train Project Is 'Digging' This New Technique

The ‘major milestone’ has been achieved using the New Austrian Tunnelling Method (NATM), which has proved to be very useful in sophisticated and diversified geological conditions where forecasting of the rock mass is difficult due to rapidly changing geology