A28 - Replacement building DEL 22 - exit above RiFa Oldenburg, replacement building DEL 22

At the Delmenhorst motorway junction, Bundesstraße 75 connects to Bundesautobahn 28. In the exit ramp of the A28 in the direction of Delmenhost is the building DEL 22.

The existing structure was erected as a 3-span construction in prestressed concrete. The prestressing steel used is at risk of stress corrosion cracking and does not show any announcement behavior according to the crack-before-fracture criterion according to HASpRK.

The DEL 22 structure will be replaced by a new building in single-web slab beams in steel composite construction.

Overview of the services to be provided, among others:

- Preservation of evidence and clearance of construction sites

- traffic safety

- Dismantling of the existing structure and the roadway

- Preparation of drilling levels

- Manufacture foundations and substructures

- Manufacture and assemble steel superstructure

- Manufacture concrete pavement slab

- Erdbauarbeiten

- Bauwerksausstattung

- Establish connection areas for road construction