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When is Flame Bending Acceptable?

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I’m wondering when flame bending of steel in the field is acceptable.  I’m considering using it on a tension strap anchor.  I have a case where I want to use a steel bar to be a tension tie to a concrete column.  I have a concrete beam in the way.  I want to go down the face of the beam and bend the bar back into the column.  The face of the column sets back 2 inches from the face of the beam.  I’m thinking about putting a steel shim in at the setback to keep the edge of the concrete beam from chipping and bending the strap back to the face of column where I can expansion bolt it into the concrete.

 

I don’t think it is reasonable to pre-bend it because this will occur numerous times and the 2” setback is not exact in each case.  Would this be a bad idea?   What precautions should be taken r what other option should I consider?

 

Thanks.

 

Rich