High-Resolution Acoustic Multibeam Surveys for Bridge Assessment
High-Resolution Acoustic Multibeam Surveys for Bridge Assessment
High-Resolution Acoustic Multibeam Surveys for Bridge Assessment
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Figure2. The location of the recent survey ofthe Richmond <strong>Bridge</strong> is shown on NOAA NauticalChartUS5ME18M. The inset photo is an image of the <strong>Bridge</strong> looking upriver from the town ofRichmond.Figure3. In the leftphoto, Orionis maneuvering near thee eastern side of the Richmond <strong>Bridge</strong>duringsurvey operations in July2010. The RTK DGPS base station canbe seen in the <strong>for</strong>egroundset‐upon a survey monument that was established by MEE DOT. In theright hand photo, Orion ismaneuvering closeto the center turnstile support during survey operations.11
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