L 1138 OU Benningen: Construction of the Neckarbrücke incl. Retaining wall

New construction of the Neckarbrücke Benningen:

Construction: semi-integral steel composite construction over 3 fields with main field (center) as frame

Width between the railings: 11.60 m

Construction height: hk, min = 1.90 m, hk, max = approx. 2.75 m

Spans: 54.5 m - 86.0 m - 54.5 m (Lges = 195 m)

Retaining wall:

Length: 106.4 m, wall height: hmax = approx. 7.0 m, hmin = approx. 2.3 m

Foundation: Pile foundation

Essential quantities:

Excavation excavation: about 2 700 m 3

Earthworks Dammbau: about 12 900 m 3

bored pile foundation:

Cast-in-place piles D = 1.50 m, 12 h, length 10 m, total length approx. 120 m,

In-situ concrete piles D = 1.20 m, 82 pcs., Length over 6 to 10 m, total length approx. 720 m,

Concrete volume approx. 1 040 m 3 .

Reinforcing steel approx. 160 t

Concrete volume: Substructures: approx. 2600 m 3 , Superstructures: about 1 400 m 3 , Total: about 4 000 m 3

Reinforcing steel: substructures: approx. 450 t, superstructures: approx. 280 t, total approx. 730 t

Steel construction: Superstructure: approx. 800 t of structural steel

Corrosion protection: superstructure: approx. 2,100 m 2 outer visible surfaces

Sealing: approx. 2 550 m 2

Protective layer: approx. 1 600 m 2