Flexural Behavior of a Composite Concrete Castellated Double Channel Steel Beams Strengthening with Reactive Powder Concrete. Tikrit Journal of Engineering Sciences, [S. l.], v. 31, n. 2, p. 28–42, 2024. DOI: 10.25130/tjes.31.2.4. Disponível em: https://www.tj-es.com/ojs/index.php/tjes/article/view/1279.. Acesso em: 9 sep. 2026.