Figure 11

Stress strain curves of samples with varying degrees of initial stress anisotropy at a constant state parameter: (a) fc = 0; (b) fc = 5%; (c) fc = 10%; (d) fc = 20%.

Stress strain curves of samples with varying degrees of initial stress anisotropy at a constant state parameter: (a) fc = 0; (b) fc = 5%; (c) fc = 10%; (d) fc = 20%.