Fig. 6

Effect of thickness change in plastic zone on radial displacement of soil when the thickness of elastic zone is certain: (a) δ2 = 0.2, δ3 = 1; (b) δ2 = 0.5, δ3 = 1; (c) δ2 = 0.7, δ3 = 1; (d) δ2 = 0.9, δ3 = 1.

Effect of thickness change in plastic zone on radial displacement of soil when the thickness of elastic zone is certain: (a) δ2 = 0.2, δ3 = 1; (b) δ2 = 0.5, δ3 = 1; (c) δ2 = 0.7, δ3 = 1; (d) δ2 = 0.9, δ3 = 1.