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Hi All, I have been doing weld design mostly with S-16, been working on an AISC job recently and notice that the strength for partial joint penetration Groove welds are different between the 2 codes: Using Fu = 440 MPa and Fexx = 490MPa for example. CISC, Table 3-21: Tr = Φw * Fu = 0.67*.44 =...

Hi Just wondering if anyone might have more advice on this, thanks!

Thanks for all the reply. Thanks for pointing out that the loads are not in equilibrium. I am actually from the North, so preferably we do not want to change the member sizes at this stage (Detailing) unless it is really necessary. Understood BAretired recommendation of having the vertical to...

Hi All, design guides and AISC manual do not provide an example that is similar to the following situation. How should we separate the branches into 2 sets of overlapped K connections for checking?

Thanks for everyone's reply and discussions. As phamENG has further elaborated the situation in my question (Thanks phamENG), I actually do not want to introduce any bracing to the beam or at the connection. I think I should explain a little more precisely. In Canada, fabricator's engineers...

Thanks for your reply WARose, but in this case, I am not trying to brace the support beam but to size the shear tab to be torsionally stiff enough so that lateral bracing is not required. "That (specific) equation doesn't ring a bell"... Yeah the equation is from Australia, according to the author.

Hi All, I am practicing in Canada but very often we refer to AISC manual for information not available in CISC. I am trying to work on an extended shear tab tool (please refer to attached picture above) and am trying to make it to cover as many different scenarios as possible. I like to use...

Thanks for all the replies. Thanks JAE for the reference, it is very helpful. However, I think it only explains how the Whitmore is used for determining gusset yielding and buckling, but it didn't address whether the welds can be considered effective in transfering the load to the connected...

Hi All, I have a question regarding a connection for a HSS brace with tension and compression that is welded to a gusset plate. I understand that the Whitmore Section start at the intersection of the HSS to the gusset and project 30 degree out to the end of the HSS. If this is for conventional...

Hi, for an elevator hoist beam that is only used when the elevator is serviced, is there any deflection requirement for it in Canada?