MRS. P SRI VIDYA,R SANNIDHI,P UDAYKUMAAR,V SRILATHA. COMPARATIVE STUDY OF DIFFERENT CONCRETE GRADES IN RCC BUILDINGS. International Journal of AI Electrical Civil and Mechanical engineering, [S. l.], v. 2, n. 4, p. 19–27, 2026. DOI: 10.64751/zen42g84. Disponível em: https://zesterapublications.com/journals/index.php/ijaecme/article/view/1074. Acesso em: 27 oct. 2026.