Concrete Bridge Deck Delamination Detection by Integrated Ultrasonic Methods

The quality of concrete bridge decks and identification of corrosion-induced delamination can be accurately assessed and monitored using ultrasonic methods. Integrated ultrasonic seismic devices, such as the portable seismic pavement analyzer, can be successfully used for such purposes. Three techniques are of special interest: ultrasonic body-wave, ultrasonic surface-wave and impact echo (IE). While the first two are used in concrete characterization, the IE method is the primary tool in delamination detection. The primary advantage the IE method has over the current practice of chain dragging is that it allows detection of delamination zones at various stages of deterioration: from initial to progressed and developed. This is demonstrated by finite element simulations of two probable scenarios of delamination progression. Application of advanced three-dimensional visualization techniques to IE testing results can significantly improve the accuracy and ease of data interpretation.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/02681900
• Authors:
  • Gucunski, Nenad
  • Consolazio, Gary R
  • Maher, Ali
  • 0000-0001-9083-9317
• Publication Date: 2006

Language

• English

Media Info

• Media Type: Print
• Features: Figures; References;
• Pagination: pp 19-34
• Serial:
  • International Journal of Materials and Product Technology
  • Volume: 26
  • Issue Number: 1/2
  • Publisher: Inderscience Enterprises Limited
  • ISSN: 0268-1900

Subject/Index Terms

• TRT Terms: Bridge decks; Concrete; Corrosion; Delamination; Finite element method; Monitoring; Nondestructive tests; Ultrasonics; Visualization
• Candidate Terms: Impact echo tests
• Uncontrolled Terms: Seismic evaluation
• Subject Areas: Bridges and other structures; Design; Highways; Materials; I24: Design of Bridges and Retaining Walls; I32: Concrete;

Filing Info

• Accession Number: 01026406
• Record Type: Publication
• Files: TRIS
• Created Date: Jun 30 2006 7:26AM