Calculate the ultimate bearing capacity considering the following. A strip footing, 2 meters wide A square footing 3 m by 3 m A circular footing 3 m in diameter All footings are located at the ground...

Calculate the ultimate bearing capacity considering the following.

1. A strip footing,
   2 meters wide
   
   
   


2. A square footing
   3 m by 3 m
   


3. A circular footing
   3 m
   in diameter

All footings are located at the ground surface and groundwater levels is at the ground surface. The soil is coarse-grained with saturated unit weight of 19.8kn/m³ and angle of internal friction
25°.