TB-Anlage ROBA
Underwater foundation
Hamburg (Germany)
Building:
Concrete foundation
Building time:
Produced in July 2011
Concrete:
C 25/30
Fibre type:
DE 50/1,0 N
Fibre content:
40 kg / m3
Total volume:
48 m3
Building company:
Franki Pfahl
Effort class:
L1,2/0,9
Slump:
68 cm
Recipe:
320 Kg CEMIII-A/42,5, 80 Kg Flugasche, Sieblinie B/C 16, 1% v.Z.G. FM, 40 Kg DE 50/1,0 N
Specifics:
The concrete foundation was installed three metres under water on auger piles, in the region of the Port of Hamburg. The concrete was placed by a diver. A combined reinforcement by SCE was calculated and C 25/30 with a performance category of L1,2/0,9 was required.
The concrete was easily pourable.
