Investigation of Load-Bearing Capacity for Reinforced Concrete Foundation Retrofitted Using Steel Strut–Tie Retrofit System

To reduce the thickness of reinforced concrete foundation members used in construction and structural applications, a previous study developed tested strut–tie retrofit system installed foundations. This proposes optimum details steel-tie for with reduced via finite element simulation-based load-bearing capacity assessment. The parameters (structural steel type, plate thickness, number strut frames) that significantly affected capacities were optimized by comparing maximum effective stress code-defined allowable limits. compared those computed using model. Based on assessment design loading combinations, can be transverse (by 55%) longitudinal 87%) directions designed model approach.