#underground solutions 
#environmental protection
#smart tunnels
#cost-benefit analysis
#future challenges in underground construction

#geological
#geotechnical analysis
#ground conditions
#face mapping
#uncertainty management
#3D geo modelling
#geophysical applications
#GIS systems
#GBR

#planning
#modelling
#numerical analysis
#seismic design
#temporary and final support
#waterproofing
#construction cost
#value engineering

#tbm tunnelling, roadheader and/or other mechanised tunnelling
#segmental lining design and manufacturing
#machine design for soft ground or rock tunnelling
#performance
#microtunnelling

#conventional tunnelling
#excavation by drill-and-blast
#shaft design and construction
#explosive’s design
#vibration control
#grouting/pre-injections

#urban tunnelling
#archaeological issues
#long tunnels in great depth
#challenging underground projects
#international case studies
#failures/successes and lessons learned
#immersed / underwater / floating tunnels; construction cost

#innovative solutions
#autonomous systems
#robotics in construction
#advanced instrumentation
#communication and positioning
#lidar applications
#real time monitoring – scanning
#automation in e/m systems

#building information modelling in tunnels
#applications and case studies
#big data management and utilization
#ML applications in design and construction

#operational safety and maintenance enhancement through AI
#operation optimization through interactive tunnel systems and vehicles
#health and safety in construction
#safety and security of underground facilities
#fire and emergency events
#evacuation
#risk assessment
#maintenance and operation

#contracts
#insurance of tunnels/contractors
#life cycle asset management
#project management of complex projects
#cost management
#valuation