22-09-2013, 03:59 PM
(This post was last modified: 22-09-2013, 04:01 PM by Rippthrough.)
Most applications for I-beams see very little torsional stress, so the stiffness isn't an issue, for a strut brace connecting to one side of a tower, it very much is.
Just use some tube.
And don't do the normal trick (and the same as the first link), and make the transistion from your stiff beam to a weak, floppy plate happen in 1mm, all that does is concentrate the stress there and make it flex on the joint.
That why my braces run tube all the way to the bolts.
Just use some tube.
And don't do the normal trick (and the same as the first link), and make the transistion from your stiff beam to a weak, floppy plate happen in 1mm, all that does is concentrate the stress there and make it flex on the joint.
That why my braces run tube all the way to the bolts.
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