Columns in structures are an indispensable issue. However, the challenge is how can specify a suitable shape of column that can bear the highest weight under simplest conditions. This study investigates a set of column shapes for building structure that can be practically applied in different sizes to discover their properties. The ANSYS program is used to discover these properties, which included two basic stages in the testing processes. The first stage is to find the amount of displacement in each type of column under the lateral forces, and the second stage is to find the column’s behaviour under vibrations which is called the Mode. The results observed that the traditional reinforced concrete columns can be improved in performance by using specially designed columns that operate as a succedaneum. The special-shaped concrete column (featuring L-shaped or T-shaped column sections) performs exceptionally well. Also, Modal analysis, or mode-superposition methodology, presented a unique individual response of special-shaped concrete column that characterizes displacement designs by assessing and superimposing mode forms.
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