International Conference on Recent Advances in Tunnel Construction and Design ICRATCD on December 16-17, 2023 in Barcelona, Spain

Tunnelling and underground space technology Mining and tunneling geophysics Design and construction of tunnels Tunnel safety and ventilation Sub surface characterization for soft ground Geotechnical investigation for soft ground tunneling Soils classification of soils for tunneling Tunnel construction in soft ground Soft ground tunneling Hand excavation and simple tunnel machines Excavator shields in competent ground New Austrian Tunneling Method Soft ground slurry tunneling Compressed air tunneling Tunnel lining selection and design for soft ground Soft ground tunneling ground support system selection Two pass linings One pass linings Segmental linings Jacked pipe linings Sub surface characterization for rock Geotechnical site investigation for rock tunneling Rock classification of rock mass for tunneling Tunnel construction in rock Rock tunneling Rock excavation methods Drill and blast tunnels Road headers in competent ground Hard rock tunneling Tunnel excavation performance evaluation Tunnel lining selection and design for rock tunnels Rock tunnel support system selection Supports to hard rock tunnels Shaft construction for tunneling Rib and lag and steel supports Sheet piles Jet grouting Caissons Slurry walls Ground freezing Pipe jacking and microtunneling Pipe jacking capabilities, equipment and techniques Microtunneling capabilities, equipment and techniques Jacking pipe for pipe jacking/microtunneling Specialist techniques for microtunneling Potential problems in tunneling and shaft construction for tunneling Ground improvement (grouting methods for ground improvement) Groundwater control Obstructions and mixed face tunneling Tunnel planning and minimization of risk Investigation and pre planning Method and equipment selection Performance envelopes for various tunnel methods Specification preparation for tunneling Contract document preparation for tunneling Risk mitigation and management techniques for tunneling Tunnel construction management, inspection, monitoring and control Tunnel and microtunnel cost influences and costs levels Tunnel management and safety Tunnel design management and safety Tunnel and shaft operation safety New developments, trends and techniques Investigation techniques Hard rock tunneling Soft ground tunneling Pipe jacking and microtunneling Pipe roofing techniques Jacked boxes </div>