en

Passau

B 12, rehabilitation of building “Hammerbach”

The Challenge

The construction for the undercrossing of the “Hammerbach” is composed of trapezoidal steel elements (external prodcut) and was not corrosion-protected realized.

Therefore a rehabilitation of this structre was mandatory. The position of this structure and the height of cover with 11,00 m allowed no new construction. The rehabilitation must happen with an inliner assembled in the old structure.

Our product Hamco LinerPlate-2flange fulfilles all requirements and was realized. We produced diverse special constructions – 7 elbows, 123 filling sockets, 2 bevel cover and 1 sidelong inlet. The assembly was carried out in double working shifts within 2 months including several breaks due to high tide.

The cross-section-difference was filled throught the filling sockets with light-pore-mortar. After the complete backfilling the Hamco LinerPlate 2-flange structure took over all loads.

  • profile: STR 80
  • LinerPlate: 2-flange
  • diameter: 4,06 m
  • length: 141,58 m
  • plate thickness: 6,00 mm
  • corrosion protection: hot galvanization plus coating
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