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FHWA Demonstration Project
Heat Straightening Repair for Damaged Steel Bridges


Photos from Ontario, Canada Workshop


Group photograph of all participants along with work table and bent pieces classroom slide presentation
I-Beam weak axis bent beam. shows heating pattern on flange and web. Heat (rectangular pattern) is being applied on web Identifying yield zones on bent beams
i-beam weak axis bent beam. shows heating pattern on flange and web. heat (triangular pattern) is being applied on flange Demonstration of ultrasonic treatment
Straightening a channel section beam. The damage is about weak axis Measuring temperature with infrared thermometer
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