Site investigation, ground characterization

Urban tunnelling (planning, design and construction)

Strategic use of underground space for resilient city growth

Utilization of underground for hydropower projects (unlined tunnels and shafts, underwater piercing, air cushion chambers)

Mechanized excavation (hard rock, soft rock and soil)

Innovations in drill and blast excavation

Large caverns (planning, design and construction)

Underwater tunnels (strait crossings for road and railway, utility tunnels)

Tunnelling for mining purposes

Underground waste storage and disposal

Innovations in rock support and water proofing technology

Operation and maintenance

Safety management of complex underground excavations

Stability assessment, risk analysis and risk management

Seismic design of tunnels and underground excavations

Case histories – lessons learnt