Hi phamENG,
Yes, I should've included that. A simple wood structure with a flexible diaphragm. As I mentioned, I believe these load cases came from the design of the CitiTower in NYC, which has rigid diaphragms and no supports on the corners (or maybe no support on just one corner, it's been...
Hi,
I'm curious if people that are using the directional procedure for wind loading ever have Cases 2, 3, or 4 control. I'm usually doing residential, and I think these code provisions are there because of the design of the Citibank building in NYC. I solved the equation symbolically for a...