Current and future applications of acoustic scanning in marine engineering surveys and inspections.

The study highlights the advantages of using acoustic scanning in the survey of key walls, piles, defensive and other civil marine engineering structures, addresses existing and potential problems with this method and suggests a direction for future improvement. It is based on the summary of 25-year experience of marine engineering surveys by GT Corporation SE (Estonia) and its partners, with 10-year experience in acoustic scanning. The key distinction of mentioned application is in very rigorous quality requirements for engineering surveys, very small size (0.5-2cm) of details required, as well as technical problems of scanning vertical structures with high reflective capabilities due to high inclusion of metal components. An additional difficulty are the weather conditions and water qualities specific to the Baltic Sea. To solve this task, the company and its partners use multiple Teledyne products, including PDS software, Seabat T20, Seabat T50, Blueview scanners, all of which will be mentioned during the report with examples of use. Based on the multiple use cases, potential future applications, and expanding engineering survey market it can be seen that a specialized new scanner product type specifically designed for engineering surveys can be used to provide even more informative and higher quality data to potential customers. 

Igor Burovenko
GT Corporation SE

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