[Spreadsheet] SP-017(14): The Reinforced Concrete Design Handbook Column Interaction Diagram [featured_image] Download Download is available until [expire_date] Version Download 1240 File Size 2.20 MB File Count 1 Create Date September 12, 2021 Last Updated September 12, 2021 [Spreadsheet] SP-017(14): The Reinforced Concrete Design Handbook Column Interaction Diagram