Lateral ties in RC columns are provided to resist ___
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In RC column design, lateral ties are critical to prevent buckling of longitudinal bars under axial loads, ensuring the overall stability of the column.
Lateral ties in reinforced concrete (RC) columns are primarily provided to prevent the buckling of longitudinal steel bars. These ties help to maintain the stability of the column and prevent lateral displacement under axial load. Hence, the correct answer is "Buckling of longitudinal steel bars".