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Research notes : faster load rating for steel truss bridges.
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2009-03-01
[PDF-375.47 KB]
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Alternative Title:Faster load rating for steel truss bridges.
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Abstract:The Oregon Department of Transportation (ODOT) Bridge Engineering Section recently completed a project with Oregon State University to develop a viable, more cost-effective alternative to the manually collected field measurement procedure. The new method employs a computer application to acquire the dimensional data from photographs of gusset plates. The general steps of the method are as follows. 1. Attach a reference target to the plate. 2. Take a picture of the plate and reference target. 3. Use the computer application to correct and scale the image. 4. Electronically record dimensional measurements from the rectified image. These measurements can then be exported easily to computer-aided design software to create drawings for the gusset plates.
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