Design parameters for longitudinal bars (concrete column: ACI 318)
Minimum Longitudinal Bar Spacing
For design to ACI ;
minimum clear distance |
|
MAX (1.5 * longitudinal db , 1.5in., 1.33*hagg) | US units |
minimum clear distance |
|
MAX (1.5 * longitudinal db , 40mm, 1.33*hagg) | metric units |
d b |
|
bar diameter |
h agg |
|
aggregate size |
Maximum Longitudinal Bar Spacing
You are given control over this value by specifying an upper limit in Design Options > Column > Reinforcement Layout.
Minimum Longitudinal Total Steel Area
For design to ACI;
1% * column area
Maximum Longitudinal Total Steel Area
For design to ACI;
8% * column area