Noori Sadik S. Layered Approach for Nonlinear Analysis of Hybrid Reinforced Concrete Beams Using Finite Elements Method. J. eng. sustain. dev. 2015;19(1):161-177. Accessed June 5, 2026. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/763