ANN	Artificial neural network
IST	Inter-face shear transfer
SCC	Self compacting concrete
PP	Polypropylene
MLR	Multiple Linear regression
SFRC-1	Steel fibre reinforced concrete (Straight): Novocon® XR-1050
SFRC-2	Steel fibre reinforced concrete (Crimped): Novocon® FE-1050
PFRC-1	Plastic fibre reinforced concrete (Macro/Monofilament): Enduro® Mirage
PFRC-2	Plastic fibre reinforced concrete (Crimped): Enduro® Fibre high-performance polymer (HPP)
${\mathit{\epsilon }}^{\mathit{e}\mathit{l}},{\mathit{\epsilon }}^{\mathit{p}\mathit{l}}$	Elastic and plastic strains
${\mathit{d}}_{\mathit{c}},{\mathit{d}}_{\mathit{t}}$	Uniaxial compressive and tensile damage variables
${\mathit{\sigma }}_{\mathit{i}\mathit{j}}$	Function of stress state
${\mathit{D}}_{\mathit{i}\mathit{j}\mathit{k}\mathit{l}}^{\mathit{e}\mathit{l}}$	Initial elasticity matrix
${\mathit{\epsilon }}_{\mathit{i}\mathit{j}},{\mathit{\epsilon }}_{\mathit{i}\mathit{j}}^{\mathit{p}\mathit{n}}$	Total and plastic strain tensor, respectively
$\begin{array}{c}\overline{\mathit{q}}\end{array}$	Mises equivalent effective stress
$\overline{\mathit{p}}$	Hydrostatic stress
${\overline{\mathsf{\sigma }}}_{\mathbf{m}\mathbf{a}\mathbf{x}}$	Maximum principal effective stress
${\mathit{\sigma }}_{\mathit{c}0}$$:{\mathit{\sigma }}_{\mathit{t}0}$:	Uniaxial compressive and tensile stresses
${\mathit{\sigma }}_{\mathit{b}0}$	Equiaxial compressive yield stress
${\mathit{K}}_{\mathit{c}}$	Ratio of second stress invariant on the tensile meridian to that on the compressive one
$\mathit{\psi }$	Dilation angle
$\mathit{e}$	Eccentricity that defines the rate at which the function approaches the asymptote
$\mathit{G}$	Potential flow function
${\mathit{E}}_0$	Elastic modulus
(C.S)	Compressive strength
(F.S)	Flexural strength