23 Dec, 2024
3 mins read

How Shotcrete Contributed to the New Austrian Tunnelling Method

Arguably the most widely used underground tunnelling technique employed today is the New Austrian Tunnelling Method (NATM). Developed in the 1960’s in Austria by Ladislaus von Rabcewiz, Leopold Muller, and Franz Pacher, the main principle of this method is to use geological stress of the surrounding rock mass to stabilise the tunnel itself. What’s interesting […]