The longest German road bridge at 4.2 km will be extended to 8 lanes over a length of 3.8 km.
For this purpose, a widening of approx. four meters will be connected to the existing structure between the two halves of the structure. Existing transverse tendons are exposed here and lengthened with newly connected bar tendons. In addition, some crossbars have to be renewed. Strand tendons with and without bond are used here.
Services in detail
The order was placed to install 5,400 bar tendons and approx. 5 tons of strands.
Bar post-tensioning method BBV with composite
internal strand post-tensioning process with bond
internal strand post-tensioning process without bond