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I'm cutting and welding a steel W section to support a ridge beam. The roof slopes 4:12 each way. I'm looking for a prequalified CJP welded connection for the flanges. All of the prequalified connections are for either parallel plates (butt joint) or plates at ninety degrees (T or C joint)...

I have an architect who wants to put a one story wood frame building over a one story (20' high)concrete tilt up building. Three of the exterior wood shear walls would set on the tilt up walls, the fourth would be over a truss girder. The difference in textures and appearance is appealing to...

I have steel pipe columns in a building built in 1908 in San Diego. Can anyone let me know where to find information on pipe manufactured in this era?

Just curious, when designing the anchor bolts for a steel SLRS, if you use the system overstrength factor, do you also use the 2.5 factor when you have brittle failure on the anchor bolts. Seems like overkill to me. That's potentially 3 x 2.5 = 7.5 x forces.

Can anyone suggest a reference for design of structural tubes for flexure and torsion?