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On formed steel decking 2/1/2" nominal rib height what should the longitudinal lap distance be?

Does AISC make reference to it?

Can anyone tell me what is the maximum span on steel decking support must be? Where to find that info? Thanks

Figure 4.31 of AWS D1.1 does not specify the size for the root and the face bend coupons to be cut does anyone know where I can find this, I'm looking for a 3/8" limited thickness test can't find the size of the specimens

Thanks Al .......it's becoming clearer

GTAW thanks for responding......my question is in regard to WPS qualification which is figure 4.19 of AWS D1.1 2008 and it refers to W2 being the min. Multiple pass weld while the table does not specify single or multiple

Thanks guys

Can anyone direct me on finding the " minimum multiple pass fillet weld used in construction? Lost.....

Can I weld A36 to(group 1) to A 913( group 3) with E71T-8 Nr232? Is that undermatching ? Please help

Stan, kiwi, D1.1 does not mention Dynamically loaded structures in table 6.1, how is applied in B31.1?

Thanks guys, D1.1 table 6.1 (7)(b)allows me up to 2" in 12" as long as it's not transverse to tensil strength , but 2" on a4" weld 1/32" deep seems like a heck of a lot

thanks for your response mint, I cannot find the source to back up my claim, does anyone know where?

does anyone know the allowable undercut ( if any) in a dynamically loaded structure?