Simplified irregular column analysis by equivalent square method

Abstract

Equivalent square method is a simplified method to overcome the difficulty of analyzing irregular column sections, which has been a constant concern for a structural engineer, to design a safe and economical structure in modern buildings and bridge piers. Irregular column section with its equivalent square column section were both analyzed by finite element method based on ACI code of design. Eight irregular column sections were selected in this study to formulate their equivalent square sections. These sections were analyzed with the finite element software (SP-Column). The results obtained from the finite element method indicates that the equivalent square method is safe and reliable to use for the irregular column sections, selected in this study, with certain specified conditions.