Table 2.

Initial conditions, qualitative analysis

Test	${\mathit{T}}_0$ (kPa)	OCR0	${\mathit{h}}_0$	${\mathit{c}}_0$
Cu test, Fig. 1	$-200·\mathit{I}$	2.5	$0$	$0$
Cu test, Fig. 2	$-200·\mathit{I}$	2.5	$0$	$0$
Cu test, Fig. 3	$-200·\mathit{I}$	2.5	$\sqrt{2/3}R\left(\begin{array}{ccc}1& 0& 0\\ 0& -1/2& 0\\ 0& 0& -1/2\\ \end{array}\right)$	${\mathit{h}}_0/2$
Stress loop cycles, Fig. 4	$\left(\begin{array}{ccc}-260& 0& 0\\ 0& -150& 0\\ 0& 0& -150\\ \end{array}\right)$	3	$R\left(\begin{array}{ccc}-1& 0& 0\\ 0& 0& 0\\ 0& 0& 0\\ \end{array}\right)$	${\mathit{h}}_0/2$
$p^{\prime }=$const cycles, Fig. 5	$\left(\begin{array}{ccc}-260& 0& 0\\ 0& -150& 0\\ 0& 0& -150\\ \end{array}\right)$	3	$R\left(\begin{array}{ccc}-1& 0& 0\\ 0& 0& 0\\ 0& 0& 0\\ \end{array}\right)$	${\mathit{h}}_0/2$
$p^{\prime }=$const cycles, Fig. 6	$\left(\begin{array}{ccc}-260& 0& 0\\ 0& -150& 0\\ 0& 0& -150\\ \end{array}\right)$	3	$0$	$0$
Stress loop cycles, Fig. 7	$\left(\begin{array}{ccc}-240& 0& 0\\ 0& -187& 0\\ 0& 0& -133\\ \end{array}\right)$	3	$R\left(\begin{array}{ccc}-0.91& 0& 0\\ 0& -0.34& 0\\ 0& 0& 0.24\\ \end{array}\right)$	${\mathit{h}}_0/2$
Cu test, Figs. 8, 9, 10	$-200·\mathit{I}$	3	$-R\mathit{I}/\sqrt{3}$	${\mathit{h}}_0/2$