United States Department of Transportation
i
Remote-Controlled Vessel Provides Safe and Accurate Inspection for Bridge Scour [Summary]
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2019-09-01
[PDF-940.81 KB]
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Edition:Research Spotlight
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Abstract:MDOT routinely inspects bridges for scour around abutments and piers. These inspections are typically conducted from a boat during high-flow events, with inspectors probing the channel bottom or using sonar techniques to determine the extent of the scour. This can be very dangerous for bridge inspectors. As an alternative, an unmanned surface vessel (USV) equipped with sonar allows inspectors to capture these measurements and images from the shore. MDOT deployed USV units in the field to measure bridge scour and inspect bridges and culverts where access is limited. Using this tool is safer, less labor-intensive and, in some cases, less costly than techniques and equipment that require hands-on operation.
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