New Methods for Inspection and Evaluation of Steel Gusset Plate ...

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Fabricate Retr<strong>of</strong>it <strong>Plate</strong>s from ImagesCape Cod, MassachusettsShop drawings were incorrect!30
Page 1 and 2: New Methods for Inspection and Eval
Page 4 and 5: Overall Approach• Capture images
Page 6 and 7: Methodology• Relate image points
Page 8 and 9: MethodologyReference Targets and Im
Page 10 and 11: Strain Relief Liquid-Tite ® Condui
Page 12 and 13: Image Rectification ToolExampleMATL
Page 14 and 15: Field Implementation ExamplesExampl
Page 16 and 17: Field Implementation ExamplesExampl
Page 18 and 19: Example -Complex CNC Fabrication
Page 20 and 21: Real vs Ideal Compared• Typical V
Page 22 and 23: Mosaic from Multiple Images
Page 24 and 25: FisheyeEquisolid-angle projection:
Page 26 and 27: Close-Range StepsFisheye Image@ arm
Page 28: 3D Imaging - Plate Imperfections=+A
Page 33 and 34: Use Machine Vision to Scan ImagesID
Page 35 and 36: Scripted NLFEA from Image Data•Yi
Page 37 and 38: Validation of Methods by Experiment
Page 41 and 42: Summary• Suite of imaging tools f
Page 43 and 44: AcknowlegementsFHWA Turner Fairbank

New Methods for Inspection and Evaluation of Steel Gusset Plate ...

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