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Calgary Airport Trail Tunnel - Alberta2012
Pultrall supplied 30mm1m long V•ROD fiberglass rebar GFRP (glass fiber-reinforced polymer) alignment dowels in footings, walls, and roof slabs in multi-lane tunnel under the new runway on the Calgary Runway Development Program. V•ROD GFRP 30mm dowels were used in 4.3m and 5.5m wide footings, 7.7m high walls, and 35.56m wide roof slabs at each of the thirteen movements joints. Installed were 519 dowels 300mm o/c at each movement joint for a total of 6,750 dowels. Transverse shear strength of dowels was 198MPa. It was used mainly for long-term durability in structures with no concern for corrosion and dowel lockup.