HALLO I was asked to design ring foundation for a tank.my question is how i can load the ring with lateral soil pressure coming vertical from the tank full of liquid.I would appreciate if you could give some formulas or some references Thank you
You need to use the coefficient of lateral earth pressure to convert the vertical pressure into horizontal. This coefficeint depends on the type of soil inside the ring. Then you need to convert this lateral pressure into a tension in the ring. This is easiest to visualiize by cutting the ring in half. Then you have the lateral pressure along the cut edge, and tension in both sides of the ring. Therefore the tension, T = (lateral pressure* diameter)/2.