Fig. 14

Distribution of equivalent plastic strain at foundation instability under different conditions ((a) \(h_{{\text{p}}}\) = 0.5 \(C_{{\text{u}}}\), (b) \(h_{{\text{p}}}\) = 1.0 \(C_{{\text{u}}}\), (c) \(h_{{\text{p}}}\) = 1.5 \(C_{{\text{u}}}\), (d) \(h_{{\text{p}}}\) = 2.0 \(C_{{\text{u}}}\)).