THE STUDY OF THE PHYSICAL AND MECHANICAL PROPERTIES AND THERMAL CONDUCTIVITY COEFFICIENT OF ULTRA-LIGHT CONCRETE OBTAINED ON THE BASIS OF LOCAL VERMICULITE. World Bulletin of Social Sciences, [S. l.], v. 14, p. 36–39, 2022. Disponível em: https://www.scholarexpress.net/index.php/wbss/article/view/1407. Acesso em: 18 apr. 2026.