Post-tensioning system,
Bridge construction
E18 Knapstad-Retvet, Norwegen
an approx. 6 km long section of the E18 between Knapstad and Retvet, approx. 50 km southeast of Oslo. The project contains 3 prestressed concrete bridges that were prestressed with the internal strand tensioning method of BBV Systems: the approx. 62 m long Skaug Bru with BBV L19 tendons the approx. 290 [...] 290 m long Hobolelva Bru with tendons BBV L27 and the Holt Bru, consisting of 2 superstructures with a length of 155 m and 195 m, both prestressed with BBV L19. A proposal for optimization by BBV Systems with regard to the tendon guide, which NCC had submitted to Statens Vegvesen, was accepted and led[...]