TY - JOUR T1 - Performance evaluation of nano-silica and calcined nano-clay modified cement mortar JO - Matéria (Rio de Janeiro) A1 - Palanisamy, Eswaramoorthi A1 - Deivasigamani, Mythili A1 - Kandasamy, Mohan A1 - Eswaramoorthy, Kavitha SN - 1517-7076 UL - 10.1590/1517-7076-RMAT-2026-0097 VL - 31 Y1 - 2026 PB - Brasil ER -