Accession Number:

ADA224169

Title:

Repair, Evaluation, Maintenance, and Rehabilitation Research Program: Underwater Inspection of Coastal Structures Using Commercially Available Sonars

Descriptive Note:

Final rept. 1985-1987

Corporate Author:

COASTAL ENGINEERING RESEARCH CENTER VICKSBURG MS

Report Date:

1990-02-01

Pagination or Media Count:

28.0

Abstract:

A general introduction to side scan sonar SSS and its uses in coastal engineering studies is given, including some operating rules-of-thumb and suggestions based on the authors experience. There is also a section evaluating several systems currently on the market. SSS is a valuable tool for coastal engineering, with uses likely to multiply as the technology and our experience with it improve. However, quantitative applications are limited. Information on structure slopes, condition of individual armor units, and percent of units displaced to name a few examples is not currently measurable in a repeatable, quantitative way. Nevertheless, the semiquantitative sonograph record can be very informative, particularly to someone who has developed a familiarity with the structure or feature being viewed from repeated SSS surveys. It is a safer, and in many cases, superior alternative to visual inspection by divers, especially in murky water. Keywords Coastal structure inspection REMRRepair, Evaluation, Maintenance, and Rehabilitation Side scan sonar Underwater inspection.

Subject Categories:

  • Civil Engineering
  • Acoustic Detection and Detectors

Distribution Statement:

APPROVED FOR PUBLIC RELEASE