BEHAVIOR OF CASTELLATED STEEL BEAM UNDER CYCLIC LOADS: Sembilanbelas November Kolaka University Jl. Pemuda No.339 Kolaka Email : armien.aryadie@yahoo.co.id. EJD. 2019;12(2):92-102. Accessed October 17, 2025. https://jurnal.ummu.ac.id/index.php/dintek/article/view/343