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Day 1

  • Philosophy of Tunneling
  • Fundamentals of rock mechanics related to tunneling
  • Site investigation and ground characterisation
  • Geological/geotechnical factors affecting tunneling in soft ground
  • Tunnel construction techniques in soft ground: Shield tunnelling, Tunnel Boring Machines (TBM), cut-&-cover tunnels

Day 2

  • Tunnel alignment selection issues
  • New Austrian Tunnelling Method (NATM) and ADECO-RS Method
  • Design of tunnels in soft ground – Empirical methods, analytical methods, numerical methods
  • Numerical methods of analysis and design of tunnels using various software tools from Rocscience, world’s leading developers of geotechnical software

Day 3

  • Tunnelling hazards in soft ground: flowing ground, non-cohesive sands and gravels, soft clays, presence of water, chimney formation, face collapse, flooding etc.
  • Soil stabilisation and ground water control: dewatering, compressed air, grouting, ground freezing, forepoling, face dowels, roof umbrella
  • Shotcrete technology

Day 4

  • Constraints of urban tunnelling o Cut-&-cover metro structures
  • Planning and logistics aspects of mechanized metro tunnelling
  • Ground settlement due to tunnelling
  • Tunnel instrumentation
  • Segmental tunnel lining
  • Tunnel waterproofing
  • Tunnel ventilation
  • Immersed tunnels
  • Tunneling case-histories