Degradation of the first frequency of an RC frame with damage levels. Frattura ed Integrità Strutturale, [S. l.], v. 17, n. 64, p. 1–10, 2023. DOI: 10.3221/IGF-ESIS.64.01. Disponível em: https://ww3.fracturae.com/index.php/fis/article/view/3960. Acesso em: 12 nov. 2024.