by Javier Macias, Nick Ryland Barton The NTNU and QTBM methods of prognosis are widely used for performance predictions...
Pre-grouting of transport tunnels in jointed rock for successful control of water
January 16, 2024
by Nick Ryland Barton, Steinar Roald Pre-grouting is an effective way of displacing water and severely limiting inflow ...
Time, tunnel length, geology
August 11, 2023
by Nick Ryland Barton Time, tunnel length, geology – therefore Qtbm is the title and summarizes the intention. In...
Tunneling & Underground Structures
Rock Mechanics Engineering
Insfructure Project managemnt
Foundation Design
Instrumentation & Monitoring
Site Investigation & Soil Classification