Hervester Bridge No. 423 Across the Wesel-Datteln Canal
German Waterways and Shipping Office Duisburg-Meiderich
|Planning and Structural Design||
grbv Ingenieure im Bauwesen GmbH & Co. KG, Hanover, Germany
AMAND GmbH & Co. KG
The new bridge replaces the existing Hervester Bridge No. 423, which was classified as dilapidated. After the assembly at the bank, it was pushed over the Wesel-Datteln Canal step by step. A pontoon boat was used here to move the structure to the other bank.
The Dlubal customer grbv Ingenieure im Bauwesen GmbH & Co. KG from Hannover were in charge of the planning and structural design in the draft stage. grbv used the structural frame analysis program RSTAB for the structural analysis. The compilation of the tender documents marked the end of the planning task.
As an alternative to a new construction, lifting the existing bridge by 1 ft has been evaluated before to compensate soil settlements. However, this was finally discarded.
The new bridge construction in parallel position is a tied arch bridge with orthotropic roadway slab. The bridge has a steel tonnage of 540 tonnes, the span amounts to 242 ft.
The two arches have a rise of about 39 ft and consist of closed steel boxes. The arches are straight at the end and have a shape of a quadratic parabola in the center. The bridge, with a width of 50 ft, offers space for two lanes as well as a sidewalk and cycle way.
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Programs Used for Structural Analysis
The structural engineering software for design of frame, beam and truss structures, performing linear and nonlinear calculations of internal forces, deformations, and support reactions
Stress analysis of steel members
Superpositioning results of different construction stages with varying structural and loading conditions