Works are now underway at Bond Street tube station, with the completion of both SCL shafts and over 60m of sprayed concrete tunnels to date.
A short introduction about excavation, support sequences and interacting factors.
A brief overview of computer aided analysis and calculation for design of underground strucutures.
Basic considerations of Capacity Limit Curves and their use in design of tunnel cross sections and linings.
Construction of a twin-track NATM rail tunnel outside Salzburg with canopied portals.