This instalment of the Lunchtime lecture series will focus on 'Face stability issues' in collaboration with ITA-AITES WG2.

The episode will feature three lectures and will finish with a Q&A with all speakers. It will begin at 13:00 CET.

• Examples of tunnel face instability on site - Elena Chiriotti
• Overview of mechanisms and methods to evaluate tunnel face stability - Nicolas Berthoz
• Case of deep tunnels in a clay medium - Thomas Pferdekamper