LOOKING TO THE LONG-TERM

When deterioration of a concrete structure means an immediate direct loss of income, in addition to repair costs, there is greater pressure to provide an effective long-term solution. This article describes the design, installation, and commissioning of a cathodic protection system at Dunham Bridge, Lincolnshire, England, to prevent later expensive repairs. The bridge carries the A57 trunk road over the River Trent, and was reconstructed in its present form in 1978. It consists of four simply supported spans, each formed by reinforced concrete on steel plate girders and supported on vertical steel frames, placed on the original three stone piers; there is a stone abutment at each end. Various tests conducted on the bridge confirmed that the concrete at all deck ends was severely contaminated by chlorides, so that rehabilitation measures were needed as soon as possible. Cost estimates were provided for the options considered technically feasible, and an internal anode impressed current cathodic protection (ICCP) system was recommended as the most suitable and cost-effective option. The concrete repairs and installation of the ICCP system were carried out as part of a larger bridge refurbishment project. The article discusses various aspects of the ICCP system, and concludes that it was successful.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/14605856
• Corporate Authors:

  Palladian Publications Limited

  15 South Street
  Farnham Surrey GU97QU,   United Kingdom 
• Authors:
  • EL-BELBOL, S
  • PATE, S
• Publication Date: 1999

Language

• English

Media Info

• Pagination: p. 56-8
• Serial:
  • CONCRETE ENGINEERING INTERNATIONAL
  • Volume: 3
  • Issue Number: 5
  • Publisher: THE CONCRETE SOCIETY
  • ISSN: 1460-5856

Subject/Index Terms

• TRT Terms: Arterial highways; Bridge members; Bridge piers; Bridges; Concrete; Corrosion; Design; Deterioration; Electrodes; Installation; Length; Metal bridges; Prevention; Reinforced concrete; Steel bridges
• Uncontrolled Terms: Bridge spans
• Geographic Terms: United Kingdom
• ITRD Terms: 3455: Bridge; 3434: Bridge pier; 4755: Concrete; 5252: Corrosion; 9011: Design (overall design); 5255: Deterioration; 6951: Electrode; 3840: Installation; 2748: Main road; 3465: Metal bridge; 9149: Prevention; 4794: Reinforced concrete; 3452: Span; 8119: United Kingdom
• Subject Areas: Bridges and other structures; Design; Highways; Maintenance and Preservation; Security and Emergencies;

Filing Info

• Accession Number: 00771512
• Record Type: Publication
• Source Agency: Transport Research Laboratory
• Files: ITRD
• Created Date: Nov 4 1999 12:00AM