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. 2022 May 24;15(11):3758. doi: 10.3390/ma15113758
List of Acronyams
d. Effective depth of beam (mm)
bw. Width of beam (mm)
ρ Beam longitudinal reinforcement
fc Concrete compressive strength (MPa)
F Fiber factor
ηo fiber orientation factor
τ. Shear stress in beam (MPa)
a Length of beam (mm)
av Shear Length of beam (mm)
fSP Split cylinder test of beam (MPa)
ft Concrete tensile strength (MPa)
da Shear depth of beam (mm)
Vf Fiber Volume
ft Splitting tensile strength of concrete (0.79fc) (MPa)
Vb Shear force in beam (MPa)
lf Length of fiber (mm)
df Diameter of fiber (mm)
vcd Member shear resistance without shear reinforcement (MPa)
k Constant (no other information is given in the paper)
kf Flange contribution factor of a T-section
k1 Constant (no other information is given in the paper)
τfd Design value of the increase in shear strength due to steel fibers (MPa)
fRk,4 Factor used for accounting fiber dosage
ftent Tensile strength of fiber (MPa)
da Diameter of aggregate (mm)
Df Bond factor
VEst Estimated steel fiber reinforced concrete beam shear capacity (MPa)
VExp Experimental steel fiber reinforced concrete (SFRC) beam shear capacity (MPa)