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Self-reacting casting bed for bridge beams
Project // Poland

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This casting bed has self-reacting size-forms for 4 types of U-shaped bridge beams

The longest element is 15m and has 48 strands:

  • 22 x 21T with 75mm eccentricity
  • 22 x 21T with 125mm eccentricity
  • 4 x 21T with 2m eccentricity

The total stressing force of 1000T is divided over both the bed and the sides. The top of the sides can accommodate a frame onto which 2 modular open core forms can be suspended. These frames resist to the lateral forces applied on the side-forms by the fresh concrete and prevent the buckling of the bed.