“The Effect of Stiffness Degradation of Compressive Diagonal Member on the Performance of a Steel Truss Bridge With a Span of 60m”. FROPIL (Forum Profesional Teknik Sipil) 11, no. 1 (February 19, 2024): 1–10. Accessed May 1, 2026. https://www.journal.ubb.ac.id/index.php/fropil/article/view/3253.