Does any body know of any resources for evaluating damage to open web steel joist (bar joist)? I am evaluating one that got hit perpendicular to the bottom chord with a highlift. The bottom web was displaced so much it crippled the cross bracing. The bottom flange came back to about 1' displacement from the plane of the web. But I need to research how much this may have lowered the tensial capacity of the bottom chord. My original thoughts are to obviously replace any damaged cross bracing and bolt a steel plate to the bottom chord to repair the tensial strength of the damaged area. The top chord and web members appear undamaged. If anyone has any thoughts I would appreciate it. Thanks
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