Transverse Reinforcement Detailing (BRD)

International Design Codes

ACI 318-19 : Transverse Reinforcement (BRD) per ACI 318-19 with ideCAD

TSC 2018 : Transverse Reinforcement Detailing for Beams.

Notation in ACI 318-19

A_g = gross area of concrete section, in²
b_w = web width or diameter of circular section, in.
b_t = width of that part of cross section containing the closed stirrups resisting torsion, in.
d = distance from extreme compression fiber to centroid of longitudinal tension reinforcement, in.
d_b = nominal diameter of bar, wire, or prestressing strand, in
f_c^' = specified compressive strength of concrete, psi
√fc‘ = square root of specified compressive strength of concrete, psi
f_y = specified yield strength of nonprestressed reinforcement, psi
f_yt = specified yield strength of transverse reinforcement, psi
h = overall thickness, height, or depth of member, in.
p_h = perimeter of centerline of outermost closed transverse torsional reinforcement, in.
s = center-to-center spacing of items, such as longitudinal reinforcement, transverse reinforcement, tendons, or anchors, in.
V_e = design shear force for load combinations including earthquake effects, lb
V_n = nominal shear strength, lb
V_s = nominal shear strength provided by shear reinforcement, lb
V_u = factored shear force at section, lb
ϕ = strength reduction factor

Details of transverse reinforcement are applied in accordance with Codes.