I want to make a shop welded splice
I want to make a shop welded splice
(OP)
I want to make a shop welded splice joint at column flange and web. Splices in the material in the flanges and web shall not be coincidental i.e. located at the same horizontal position thru the section.
what is the minimum and maximum offset distance should be between web and flange joint line.
what is the minimum and maximum offset distance should be between web and flange joint line.






RE: I want to make a shop welded splice
I like to debate structural engineering theory -- a lot. If I challenge you on something, know that I'm doing so because I respect your opinion enough to either change it or adopt it.
RE: I want to make a shop welded splice
RE: I want to make a shop welded splice
I like to debate structural engineering theory -- a lot. If I challenge you on something, know that I'm doing so because I respect your opinion enough to either change it or adopt it.
RE: I want to make a shop welded splice
RE: I want to make a shop welded splice
I like to debate structural engineering theory -- a lot. If I challenge you on something, know that I'm doing so because I respect your opinion enough to either change it or adopt it.
RE: I want to make a shop welded splice
This sounds like something specific to your project that came from the structural engineer and not prescriptively required by Code. Or perhaps it could be just a note used to encourage the bidding contractor to submit long members. I've inspected thousands of column splices and haven't seen an offset like you describe. Ask the structural engineer to clarify. then post an update... we're curious.
RE: I want to make a shop welded splice
RE: I want to make a shop welded splice
RE: I want to make a shop welded splice
Ajh1 has it right, imagine having to clean up the flg./web/k area of each column section, and the change in direction of cutting btwn. and across the flg., then up the web some length, then across the web, etc. All of these direction changes offer the potential for introducing notches, reentrant corners, poor welds, changes in direction of welds, with three welds meeting at a point, triaxial residual stresses from welding, etc. etc. They lead to an inferior finished product, not an improved product. The fact is that if the column doesn’t have much moment in it, a square, clean cut or milled end bearing is about all you need, and any flg. welds take care of small moments, and I believe the AISC manual says as much.
Take what you have heard and learned here, back to your client and make a case for the fact that what they want probably introduces more chances for poor welds and poor/difficult weld prep. The fact of the matter is that their requirement probably has no basis in fact or need. There once was some thinking that you didn’t want to splice every piece of material at the same cross section, but that just doesn’t make sense any longer.
RE: I want to make a shop welded splice
I have no idea why they'd write it that way, though. Basically, I can't believe anyone would be specifying what it sounds like they're specifying, so I'm hoping there's a misunderstanding.
RE: I want to make a shop welded splice
I like to debate structural engineering theory -- a lot. If I challenge you on something, know that I'm doing so because I respect your opinion enough to either change it or adopt it.