Coupler OVM.L15/L13

Couplers are used to elongate the tendons which due to tendon length or the construction method used in the project cannot be installed or tensioned in one unit.
Coupler L15/L13 usually includes seven parts: coupler block, bearing plate, protective sleeve, restraining ring,
spiral reinforcement, wedge and swaged ends.

1.Duct 2.Spiral reinforcement 3.Bearing plate 4.Coupler block 5.Swaged end 6.Protective cover I 7.Bolt  8.Nut  9.Restraining ring  10.Strand  11.Duct 12. Protective cover I1 13.Wedge

Note

1. OVM.L15 applicable to strands with Ap =140mm2 or Ap =150mm2
2. OVM.L13 applicable to strands with Ap =98.7mm2 or Ap =100mm2