STRUCTURAL PERFORMANCE OF COMPOSITE BOX BEAMS WITH CORRODED BOTTOM FLANGE UNDER MONOTONIC AND REPEATED LOADS . J. eng. sustain. dev. [Internet]. 2023 Jul. 1 [cited 2024 May 16];27(4):545-57. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1626