EXPERIMENTAL STUDY OF FACTORS AFFECTING ULTRASONIC PULSE TIME IN FIBER-REINFORCED CONCRETE. International Journal of Geomate, [S. l.], v. 29, n. 131, p. 95–103, 2025. Disponível em: https://geomatejournal.com/geomate/article/view/4985. Acesso em: 5 oct. 2026.