Minimum Spacing of Reinforcement per ACI 318-19 with ideCAD
How does ideCAD define minimum reinforcement space according to ACI 318-19?
Clear spacing is controlled automatically according to 25.2 for parallel reinforcement in a horizontal layer.
For longitudinal reinforcement in columns, pedestals, struts, and boundary elements in walls, clear spacing between bars is controlled automatically according to 25.2.3
Symbols
db = Nominal diameter of bar, wire, or prestressing strand, in.
Minimum spacing of reinforcement
According to ACI 318-19, for parallel reinforcement in a horizontal layer, clear spacing is controlled automatically at least the greatest of
1 in.
db
According to 25.2.3, for longitudinal reinforcement in columns, pedestals, struts, and boundary elements in walls, clear spacing between bars is controlled automatically at least the greatest of
1.5 in.
1.5db
