(Solved): A surface 2m wide strip footing is founded on a 0.4m thick layer of clay with an undrained shear st ...

A surface 2m wide strip footing is founded on a 0.4m thick layer of clay with an undrained shear strength of 20 kPa. The clay layer is underlain by a very strong rock stratum. Use the limit equilibrium method and any feasible circular failure mechanism to estimate the vertical failure load Vur of the foundation. Comment on the accuracy of this solution. [8] 1.5m 0.4m Vull Clay with s,= 20 kPa Strong rock stratum