THE UPPER-BOUND SOLUTIONS FOR BEARING CAMCITY ACTOR N_γ UNDER COMPLEX CONDITIONS

The true solution for the bearing capacity factor, Nγ, due to soil self-weight has not been assessed, By use of equivalence of limit analysis method and limit equilibrium method, the most dangerous kinematically admissible failnre mechanism is elaborately constructed, resulting in the upper-bound solution for N. as low as possible. The effects on Nγ of the inclinations of load, footing base and ground surfaCe have been evaluated. Approximate closed-form expressions for these modifiers are suggested and comp...