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1917 RR Truss Rating

thread14-309755

1917 RR Truss Rating

1917 RR Truss Rating

(OP)
I am looking at a 1917 RR Bridge Stress sheet, and it shows the net section properties, gross section properties and "bal".  Do any of you know what "bal" stands for in the stress table?  I have never seen this listed before on other old plans for bridges I have rated.

Thank you.

RE: 1917 RR Truss Rating

I posted a response in the bridge forum. You should ask the management here to delete this post as they do not like repeating a question in multiple forums.

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