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26 – 29 February 2020
Le Méridien, New Delhi

Day 1
Philosophy of Tunnelling
Fundamentals of rock mechanics related to tunnelling
Site investigation and ground characterisation
Geological factors affecting tunnelling
Tunnel construction techniques in hard and soft grounds: Drill-&-blast, shield tunnelling, Tunnel Boring Machines (TBM), cut-&-cover tunnels

Day 2
Tunnel alignment selection issues
New Austrian Tunnelling Method (NATM), Norwegian Method of Tunnelling (NMT), ADECO-RS Method
Tunnel support design – Empirical methods, analytical methods, numerical methods
Numerical methods of analysis and design of tunnels using various software tools from Rocsicence, world’s leading developers of geotechnical software

Day 3
Tunnelling hazards: squeezing, rock burst, chimney formation, face collapse, flowing ground, flooding etc.
Ground stabilisation and ground water control: dewatering, compressed air, grouting, ground freezing, forepoling, face dowels, roof umbrella
Shotcrete technology
Rock bolts and dowels

Day 4
Constraints of urban tunnelling
Cut-&-cover metro structures
Planning and logistics aspects of mechanized metro tunnelling
Ground settlement due to tunnelling
Tunnel instrumentation
Tunnel waterproofing
Tunnel ventilation
Tunnelling case-histories