Abstract
This paper presents two predictive models for the shear strength (SS) calculations of circular and rectangular reinforced concrete (RC) columns subjected to seismic load. Gene expression programming (GEP) is applied using the experimental results from the literature. The GEP models consider the influence of aspect ratio, concrete strength, axial stress, and ratios of transverse and longitudinal reinforcements. Comparisons with existing design equations evidenced the reliability of the proposed models. The parametric study and the sensitivity analysis were also performed to investigate the effect of input variables and to evaluate their contributions to the SS of RC columns.
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