Girders Give Edmonton Bridge Team Big Headache

2 A.M. A jobsite camera captured the minutes before and the girders buckled on the Edmonton bridge.
Photos courtesy of EarthCam

2:15 A.M. The girders on the Edmonton bridge shown shortly after they buckled.
Photos courtesy of Earthcam

Torsional buckling of girders is a common design criteria spelled out in a U.S. steel bridge design handbook. See the second and third images in the slide show for before and after the buckling.
Photos courtesy of Earthcam





