Deep excavations

What is deep excavations monitoring? Deep excavation monitoring refers to the process of measuring and analysing the behaviour of soil and structures during excavation works in order to ensure safety and stability. It is important to monitor deep excavations because the excavation process can cause changes in the stress and strain of the soil and […]

TBM Tunnels

What is TBM tunnel monitoring? A TBM tunnel (Boring Tunnel Machine) is a tunnel that is build using a massive tunnel drilling machine. During the excavation process, the TBM removes the excavated material from the tunnel face, transports it to the back of the machine, and then transports it to the surface using a conveyor […]

NATM Tunnels

What is NATM Tunnel monitoring? The New Austrian Tunneling Method (NATM), also known as the Sequential Excavation Method (SEM), is a technique used in the construction of tunnels that was developed in Austria in the 1960s. NATM involves excavating the tunnel in stages, with the surrounding rock or soil providing temporary support until a permanent […]