Technical Committee ‐ GT 30.1 ‐ Design and dimensioning of pre-support systems


The GT 30.1 deals with the design and sizing aspects of special support elements for tunnels excavated using the conventional method.

Published recommendation: Design and sizing guide for radial bolting in tunnels.
Recommendation in progress: Design and sizing of pre-support methods.

Theme: Conventional support and lining

Animateur: Martin Cahn
Co-animateur: Jean-Pierre Janin