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TTC North Tunnel - Ontario


Project Details:
Pultrall supplied V-ROD® GFRP in caisson cages in a “softeye” tunneling application in the North Tunnels portion of the TTC $2.6 billion subway expansion project. V-ROD® GFRP reinforcement used in this specific tunneling application where TBM’s can bore through “Soft-eye” areas of caisson reinforcement cages. Highest grade 60GPa 32m vertical bars used with #5 (16m) 50GPa continuous spirals with 150mm pitch and inside 16m circular ties at 600mm. V-ROD® GFRP rebar used to reinforce up to 19m long GFRP cages (diameters of 600mm - 920mm)

See the ''Project Report''
  • TTC North Tunnel 1
  • TTC North Tunnel 2
  • TTC North Tunnel 3