Direct Selection of Concrete Dimensions in Columns


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Title: Direct Selection of Concrete Dimensions in Columns

Author(s): Curtis J. Young

Publication: Concrete International

Volume: 3

Issue: 10

Appears on pages(s): 27-31

Keywords: axial loads; columns (supports); diagrams; eccentric loads; structural design; structural members.

Date: 10/1/1981

A method is presented for calculating the additional cross-sectional area required in reinforced concrete columns to safely carry a bending moment acting simultaneously with axial load. Presently available interaction diagrams and tables of moment and load capacity for concrete columns require section dimensions as input. This method adapts a design aid, which is now used to size columns for axial load only, to be used to select dimensions of columns subject to simultaneous bending and axial force.