AUTOMATED IMAGING SYSTEM FOR BRIDGE INSPECTION. EXECUTIVE SUMMARY

This report describes the design, operation, and capabilities of the ultrasonic imaging system developed for FHWA. The system uses computerized data acquisition and a lightweight scanner to obtain color coded images of defects in metal bridge components. Several types of images are obtained, including holographic reconstruction of defects. Defect size, location, and type can be obtained from the images.

• Corporate Authors:

  Sigma Research, Incorporated

  8710 148th Avenue, NE
  Redmond, WA  United States  98052

  Federal Highway Administration

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Authors:
  • Brophy, J W
• Publication Date: 1987-5

Media Info

• Pagination: n.p.

Subject/Index Terms

• TRT Terms: Bridges; Defects; Holography; Inspection; Nondestructive tests; Radar; Ultrasonics; Video imaging detectors
• Uncontrolled Terms: Bridge inspection
• Old TRIS Terms: Imaging radars
• Subject Areas: Bridges and other structures; Design; Highways; I24: Design of Bridges and Retaining Walls;

Filing Info

• Accession Number: 00479379
• Record Type: Publication
• Source Agency: Federal Highway Administration
• Report/Paper Numbers: FHWA/RD-87/089
• Contract Numbers: DTFH61-83-C-00119
• Files: TRIS, USDOT
• Created Date: Feb 28 1989 12:00AM