Appendix

$\sigma =K0+Q(1-e^{-B\in }{}^{{}_{pl}})$

$\sigma ={\rm A}{\left({\epsilon }_{pl}+{\epsilon }_0\right)}^n$

$\sigma =Qs-(Qs-Q0)e^{-m({\epsilon }^n)}$

$\sigma =K{({\epsilon }_o-{\epsilon }_{pl})}^{n-p}$

$\sigma =Q0+A\ast {\epsilon }_{pl}+B{(1-e)}^{-c\ast {\epsilon }_{pl}}$

$\sigma =A+B\ast {\epsilon }_{pl}^n$

$\sigma =A+B(1-e^{(-c\ast {\epsilon }_{pl})})\ast (1+d\ast {\epsilon }_{pl}+f\ast {\epsilon }_{pl}{}^2)$

$\sigma =A+B*{{\epsilon }_{pl}}^c+D*{{\epsilon }_{pl}}^E*e^{-F*{\epsilon }_{pl}}$

$\sigma =(A+B\ast {\epsilon }_{pl}^n)\ast (1+c1n\frac{\dot{\epsilon }}{{\dot{\epsilon }}_0})$

$\sigma =(A+B\ast {\epsilon }_{pl}^n)\ast {\left(1+\frac{\dot{\epsilon }}{C}\right)}^{\frac{1}{p}}$

$\sigma =A+C\ast {\epsilon }_{pl}{{}^{m-n}}^{{}^m}$

$\epsilon f=D1+D2\ast \exp (D3\ast \sigma *)$