Bridge analysis, design + assessment

Case Study

Wellington Street Swing Bridge

  • Assessment of historic cast iron swing bridge
  • Development and analysis of strengthening options prior to refurbishment

Wellington Street Swing Bridge (Image: Davy Markham)

Wellington Street Swing Bridge is a historic 18th century, listed, cast iron bridge that spans a lock basin between the Humber estuary and Hull Marina in the UK. The bridge had fallen into dis-repair over the years so, in 1999, Pell Frischmann was commisioned by Hull City Council to carry out an inspection of the bridge and to provide an assessment of its strength. Then, in 2004, another commission was given to Pell Frischmann to investigate the feasibility of bringing the bridge back into use and to develop refurbishment options

Pell Frischmann used LUSAS Bridge analysis software to create 3D models to assist with its analysis of various strengthening options that led,.ultimately, to the bridge being re-furbished, strengthened, and brought back into full working order for use by pedestrian, cycle and occasional vehicle use for vehicles up to 7.5 tonnes in weight.

Wellington Street Swing Bridge  (Image: Davy Markham)

In Davy Markham's rehabilitation of this two leaf Victorian swing bridge, new electric slewing drives were also added to replace an earlier attempt at electrification and utilises, as much as possible, the existing
gear train left from the days of a hand-wound system. 

Reference to the use of LUSAS on this project:

Proceedings of the ICE - Engineering History and Heritage, ISSN: 1757 9430, E-ISSN: 1757 9449, Volume 162, Issue 2, May 2009. See http://www.icevirtuallibrary.com

 


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