Hi! I have an existing steel structure on top of which another steel structure is being added at the roof level. In some cases I have new columns that will be supported by existing columns, and to connect the two, I'm going to weld the new column to it's baseplate, which is then welded to the...
I designed a cantilever beam with a moment connection to a column web using a web plate for shear and bolted flange plates for the moment. However, the contractor just welded around the beam end to the column - no web plate, no flange plates, no bolts! I now need to check this to ensure that the...
I have a structural steel column that will be supported directly on a beam flange. I know that this is not an uncommon situation. What do I need to check for? Buckling of the beam web? Required spacing of stiffeners etc? Is there an AISC design guide or similar that shows how to detail that...
I am trying to find the best way to repair severely deteriorated concrete beams supporting a concrete deck in a marine environment. The beams are 20" deep by 18" wide and about 19' long. In some cases, the bottom steel is exposed and badly corroded and some of the stirrups are also exposed...
