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. 2025 May 23;18(11):2452. doi: 10.3390/ma18112452
b cross-section width
d fiber diameter
fc cylindrical compressive strength
h cross-section height
h/b cross-section aspect ratio
l fiber length
l/d length-to-diameter ratio of the fibers used
L element length
P gauge length
Tcr cracking moment
Tu maximum moment
Vf volumetric percentage of dispersed reinforcement used
ρl longitudinal reinforcement ratio
ρtot degree of conventional reinforcement
ρw transverse reinforcement ratio
τcr shear stresses of the cross-section for the cracking moment
τcr0 shear stresses of the cross-section for the cracking moment of reference beams
τu shear stresses of the cross-section for the maximum moment
τu0 shear stresses of the cross-section for the maximum moment of reference beams
θ angle of rotation
θcr angle at the cracking moment
θcr0 angle at the cracking moment for reference beams
θu angle at the maximum moment
θu0 angle at the maximum moment for reference beams