PERFORMANCE OF CORRODED THIN-WALLED STEEL TUBULAR COLUMNS FILLED WITH CONCRETE UNDER DIRECT MONOTONIC LOADING. J. eng. sustain. dev. [انترنت]. 1 مارس، 2023 [وثق 18 مايو، 2024];27(2):213-26. موجود في: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1218