Figure 1
(a) Prototype defined by two random variables tan(φi), i = 1, 2. (b) Variance reduction factors γa(w1), depending on the dimensionless weight coefficient w1.
Figure 2
The dimensionless variance reduction factors γsa(S) depending on the correlation parameter d (m) and the stress parameter S (m).
Figure 3
The dimensionless variance reduction factors γsa(e) depending on the correlation parameter d = dh (m) and the load eccentricities eB = eL = e (m).
Figure 4
The effective depth zmax under considered foundation and the dimensionless variance reduction factor γsa(β) depending on the correlation parameter d = dv (m) and the footing shape ratio β.
Figure 5
The dimensionless variance reduction factors γsa(β) and γga(β) for the correlation parameters dv = d = 1.5 m (solid lines) and dv = d = 0.5 m (dashed lines).
Figure 6
Simplified wedge stability for 2x2 random variables tan(φi), ci, i = 1, 2.