Laboratory Study of Weight Loss and Ultrasonic Wave Propagation Velocity in Conventional Concrete Under High Temperature, Along with Validation by SEM and XRD Analysis . Journal of Civil Engineering Researchers, [S. l.], v. 7, n. 2, p. 68–75, 2025. DOI: 10.61186/JCER.7.2.68. Disponível em: http://www.journals-researchers.com/ojs/index.php/jcer/article/view/163. Acesso em: 5 sep. 2025.