Ron-
Thanks for the reply. We are not failing under gravity load alone, but gravity + wind. The wind loading is based on AWWA requirements of a 3-second gust of 90 mph, so we are restricted to code for that data. The tank itself will likely never see the full 90 mph, but since code requires...
My firm is currently analyzing a water tank's geometry & foundations, and are running into some insanely high working percentages for the leg and riser foundations. The water tank is a multi-column (12) design with a central riser, and we have recent ultimate soil bearing values for both. The...
