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Refurbishment of a Historic Truss Viaduct
Current Issue
Volume 1, 2014
Issue 4 (September)
Pages: 79-84   |   Vol. 1, No. 4, September 2014   |   Follow on         
Paper in PDF Downloads: 15   Since Aug. 28, 2015 Views: 1592   Since Aug. 28, 2015
Authors
[1]
Janusz Hołowaty, Department of Civil Engineering and Architecture, West Pomeranian University of Technology, Szczecin, Poland.
Abstract
The refurbishment of a seven-span steel viaduct constructed in the industrial district of Szczecin at the beginning of the 20th century is described. After rebuilding and strengthening in the 1960s, the structure remained in service over the next forty years when the slab decking partially collapsed. A plan for the retrofitting and upgrading of the viaduct was drawn up and carried out. The thin deteriorated concrete deck slab of the floor was replaced. The new slab was made fully composite with deck stingers. The longitudinal profile of the deck was adjusted for the higher design speed of modern vehicles. New appurtenances were installed. Corroded steel members were replaced, and the old riveted steel structure is still robust although alleviated by a third welded plate girder. The old urban viaduct was upgraded twice during its life-time to meet the more current criteria and constantly increasing highway loading requirements.
Keywords
Urban Bridge, Historic Bridge, Corrosion, Upgrade, Rehabilitation & Renovation, Composite Floor
Reference
[1]
H Fonzi, J.J. & Vineyard, P. Reinventing Squire Whipple’s Bridge. In H. Adeli (ed.), Historic Bridges. Evaluation, Preservation and Management: 279-288. CRC Press. Boca Raton, London, New York, 2008.
[2]
Hołowaty, J. Local collapse of reinforced concrete slab in composite deck of road viaduct (in Polish). In Structural Faults; XXII Conference, Szczecin-Międzyzdroje, 17-20 May 2005.
[3]
Hołowaty, J. Strengthening of composite bridge deck by replacement of reinforced concrete slab (in Polish). Engineering Structures No 2/2009 (2): 57-65.
[4]
Reid, I.L.K., Milne D.M. & Craig R.E. Steel bridge strengthening. Thomas Telford. London, 2001.
[5]
Tilly, G. Conservation of bridges. Spon Press. London, 2002.
[6]
Tonias, D.E. Bridge Engineering. Design, Rehabilitation and Mantainance of Modern Highway Bridges. McGraw Hill. New York, 2007.
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