${\delta }_{\mathrm{n}}^{\mathrm{f}}$	Maximum separation of cohesive-contact property
${\epsilon }_{\mathrm{c}}^{\mathrm{ch}}$	Crushing strain of concrete
${\epsilon }_{\mathrm{t}}^{\mathrm{ck}}$	Tensile cracking strain of concrete
A b,a	Local bearing area of the anchorage zone
A s,s	Cross-sectional area of the shear zone
b	${\epsilon }_{\mathrm{c}}^{\mathrm{pl}}/{\epsilon }_{\mathrm{c}}^{\mathrm{in}}$ ratio in Equation (6)
c1 and c2	Coefficients in Equation (7)
d	Stirrup diameter
d c	Concrete compression-damage variable
d s	Stud diameter in Equation (16)
d t	Concrete tensile-damage variable
E 0	Undamaged elastic modulus of concrete
E cm	Elastic modulus of concrete
E s	Elastic modulus of steel
f c	Concrete strength in Equations (16)–(18)
f cm	Cylinder compressive strength of concrete
f tm	Tensile strength of concrete
f u	Ultimate tensile strength of steel
f y	Yield strength of steel
G ch	Crushing energy per unit area of concrete
G cm	Shear modulus of concrete
G f	Crushing energy per unit area of concrete
hb/hs/ha	Height of the pressure-bearing zone/shear zone/anchorage zone
K	Second stress invariant ratio
K 0.2	Slip modulus (secant slope of the load-slip curves at a slip of 0.2 mm.)
K 0.2,FE	Slip modulus obtained from finite element
K 0.2,pre	Predicted slip modulus
K 0.2,test	Slip modulus obtained from test
Knn, Kss, Ktt	Elastic stiffness of cohesive contact property
ks	Slip modulus of stud shear connector in Equation (16)
l ck	Characteristic element length
Nomenclature
P	Shear load
P b,a	Compressive capacity of concrete in the anchorage zone
P b,b	Compressive capacity of concrete in the pressure-bearing zone
P b,s	Compressive capacity of concrete in the shear zone
P max	Ultimate shear resistance of stud shear connector in Equation (16)
P u	Ultimate shear resistance
P u,FE	Ultimate shear resistance obtained from finite element
P u,pre	Predicted ultimate shear resistance
P u,test	Ultimate shear resistance obtained from test
S	Relative ship
tn, ts, tt	Tractions of the cohesive contact property
ts, ws	Thickness and width of the shear plate in the shear zone
V s,a	Shear capacity of the anchorage zone
V ss	Shear capacity of the shear zone
w	Cracking width of concrete
w c	Cracking width corresponding to the zero tensile stress
αc/αt/bc/bt	Dimensionless coefficients in Equations (8)–(11)
α E	Constant factor about concrete aggregates
ε	Flow potential eccentricity
ε c	Compressive strain of concrete
ε tm	Tensile peak strain of concrete
λ b	Constant coefficient in Equation (14)
λs, α and β	Constant coefficient in Equation (13)
μ	Viscosity parameter
σbo/σco	Ratio of biaxial to uniaxial compressive strength
σ c	Compressive stress of concrete
σ t	Tensile stress of concrete
ψ	Dilatancy angle