Vf
|
volume fraction of steel fiber |
lf
|
length of steel fiber |
df
|
equivalent diameter of steel fiber |
λf
|
characteristic value of fiber content |
βv
|
influence coefficient of steel fiber on shear capacity |
b
|
width of beam section |
h
0
|
effective depth of beam section |
ρsv
|
stirrup ratio |
f
c
|
compression strength of prism specimen at 28 days |
f
ts
|
splitting tensile strength of cylinder specimen at 28 days |
ft
|
tensile strength of SFRC without considering the effect of steel fiber |
Ec
|
elastic modulus of concrete |
fyv
|
yield strength of stirrup |
Asv
|
section area of stirrup in shear span |
s
|
stirrup spacing |
λ
|
shear span ratio |
Vu
,exp
|
shear capacity measured from the experiment |
Vu
,CECS
|
shear capacity calculated by CECS38:2004 |
Vu
,ACI
|
shear capacity calculated by ACI544.4R |
Vu
,Modified
|
shear capacity calculated by the modified equation of CECS38:2004 |
Vcf
|
shear force provided by SFRC |
Vs
|
shear force provided by the stirrup |
α
|
influence coefficient of stirrup ratio on the Vcf
|