Thank you everyone for your inputs. I found out that I was using a very minimum response modification factor. When I went back and used the correct one, I ended up with 5.7 Kips of uplift. Is that somewhat reasonable?
That's what clients want. They do have a concrete floor (about 7" thick) and the posts are supposed to land on top of it, connected to a base plate. The loading is just DL and LL for platforms, staircases and some equipment loads.
Hello. I am currently designing a platform for a client who does not want any footing. The column is connected to a base plate and grouted around the plate. I have been getting an uplift of around 24 Kips, while designing with Risa 3D, which does not seem logical. I went with dynamic analysis...