Stresses Around a Pressurized Concrete Tunnel

Software:
FLAC 8.0
Example Write-Up:
Walk-Through: 
Level: 
INT
Consulting Service: 
Details and Description: 

Stress relaxation in rock after excavation of a circular water tunnel and installation of a liner is examined with FLAC. The liner is installed and pressurized instantaneously to permit the stress field to respond to radial strain in the liner.

Keywords: 
  • tunnel excavation
  • stress relaxation
  • liner
  • Pore pressure
  • effective stress analysis
  • Mohr-Coulomb model
Materials: 
  • Clay
  • Concrete
  • Rock
Analyses: 
  • Fluid Flow
  • Static