Analysis of the Mechanical Performance of f’c = 210 kg/cm² Concrete with Volcanic Ash as a Partial Cement Replacement and Aggregates from the Megarok Quarry. Ciencias de la Ingeniería y Aplicadas, [S. l.], v. 10, n. 2, p. 72–78, 2026. DOI: 10.61236/xwn77163. Disponível em: https://investigacion.utc.edu.ec/index.php/ciya/article/view/1383. Acesso em: 3 oct. 2026.