• Bridge III across Enz river
    © Gerd Elsner
Projects

Bridge III across Enz river ("Eutinger Waagsteg")

Pforzheim, Germany, 1992

This bridge was built for the regional garden exhibition 1992. It crosses a reservoir lake and the aim was to reduce its visual exposure to a minimum.
A stress ribbon satisfies this requirement. In this case two strong abutments, two steel strips covered with concrete slabs plus handrails, were enough to build a footbridge. The sag of the stress ribbon almost touches the surface of the lake. The slope should not exceed 6 % in view of wheel chair users, which makes a very flat geometry. For stabilization against vibrations the railings with their friction damping were very efficient.


  • Location

    Pforzheim, Germany

  • Architect

    Knoll, Reich, Lutz, Sindelfingen

  • Client

    Stadt Pforzheim / Landesgartenschau Pforzheim 1992

  • Contractor

    Wolff & Müller, Stuttgart; Stahlbau Gramlich, Markgröningen

  • Our Scope of Work

    conceptual design, construction design, site supervision

  • Total length 67.60 m
  • Width 2.90 m
  • Concrete slab lightweight concrete, 10 cm thick
  • Span 50 m
  • Steel ribbons 2 x 480 mm x 40 mm, St52-3
  • Bridge III across Enz river © sbp

Project location

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