OPTIMIZATION OF COUPLING BEAMS ON E4 SYSTEMS OF REINFORCED CONCRETE ACCORDING TO AGIES NSE 2018 AND ACI 318-19, FOR THE REDUCTION OF SEISMIC VULNERABILITY, THROUGH A NON-LINEAR DYNAMIC ANALYSIS. RIIE [Internet]. 2022 Jul. 13 [cited 2025 Dec. 9];27(1). Available from: https://journal.espe.edu.ec/ojs/index.php/riie/article/view/2810