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Longitudinal Reinforcement Detailing (SwRD)

  • Longitudinal reinforcement detailing is applied automatically in accordance with Codes.

  • Longitudinal reinforcement detailing is applied according to Codes in special structural walls.

International Design Codes

ACI 318-19 : Longitudinal Reinforcement (SwRD) per ACI 318-19 with ideCAD

TSC 2018 : Shearwall Web Reinforcement Detailing

Notation in ACI 318-19

Ag = gross area of concrete section, in2
Ast = total area of nonprestressed longitudinal reinforcement, in2
bw = web width or diameter of circular section, in.
d = distance from extreme compression fiber to centroid of longitudinal tension reinforcement, in.
db = nominal diameter of bar, wire, or prestressing strand, in
√fc = square root of specified compressive strength of concrete, psi
fy = specified yield strength of nonprestressed reinforcement, psi
fyt = specified yield strength of transverse reinforcement, psi
h = overall thickness, height, or depth of member, in.
hsx = story height for story x, in.
hw = height of entire wall from base to top, or clear height of wall segment or wall pier considered, in.
ld = development length in tension of deformed bar, deformed wire, plain and deformed welded wire reinforcement, or pretensioned strand, in.
lw = length of entire wall, or length of wall segment or wall pier considered in direction of shear force, in.
Mu = factored moment at section, in.-lb
s = center-to-center spacing of items, such as longitudinal reinforcement, transverse reinforcement, tendons, or anchors, in.
Vu = factored shear force at section, lb
ϕ = strength reduction factor

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