What Is Minimum Value Of Eccentricity Provided In Columns?

What Is Minimum Value Of Eccentricity Provided In Columns? All columns shall be designed for minimum eccentricity equal to the unsupported length of column / 500 plus lateral dimension / 30, subject to a minimum of 20 mm. The minimum eccentricity is incorporated in the design equation recommended in IS: 456 for axially loaded compression