Post-tensioning system,
Bridge construction
Donaubrücke
tendons with 31 strands St1570 / 1770, a cross-section of 4,650 mm² per bundle and a permissible prestressing force of 5,929 KN according to approval certificate Z-13.1-114 were used for the first time in Germany for the internal prestressing of a new bridge. 12 BBV L31 tendons with lengths of approx. 62 m[...]