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.], 2026. DOI: 10.24423/archacoust.2026.4407. Disponível em: http://acoustics.ippt.gov.pl/index.php/aa/article/view/4407. Acesso em: 2 jun. 2026.