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Re: Cutting off Bolts

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The situation depends more on the loading conditions of the beam. I was recently asked if a runway beam cantilevering over a column could be welded rather than bolted. The answer was no because the crane passing over the col causes a stress reversal due to the cantilever with uplift acting on the welds. Is your beam subject to cyclical loads, e.g. wind, moving loads such as traffic (foot or vehicle). Is it indoors or outdoors as welds tend to rust faster due to some oxygen exposure during welding, so you don't want a weld exposed to the weather. Why does the contractor want to weld? If his answer is just to make it easier for him, I would still want the bolts. As I don't really know the situation, I hope the above helps a little bit.

On 4/23/2015 4:17 PM, Joe Venuti wrote:
Hello all

The situation occurs at 2o connections where the roof beams cantilever over steel columns. The contractor is asking if he can torch off the bolts (A307 mostly but some A325) and weld along the width of the 1/2" bearing plate each side of beam and along the parallel edges of flange and bearing plate. Reason because the bolts with show thru finish. Would it better plug weld the bolt holes or would that even work. Any thoughts or experiences are welcomed.

Joe Venuti

Joven Engineering

P.O. Box 5098

La Quinta,  CA  92248


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