CHEN, Qianxu; YANG, Xin. A Study of Damage Mode Recognition of Polypropylene Fiber-Reinforced Recycled Aggregate Concrete Based on Principal Components of Acoustic Emission Signals. Archives of Acoustics, [S. l.], v. 51, n. 2, p. 283–292, 2026. Disponível em: https://wydawnictwo.pan.pl/index.php/aa/article/view/1838. Acesso em: 30 aug. 2026.