TY - JOUR T1 - Performance evaluation of additive-modified geopolymer concrete under normal and elevated thermal exposure JO - Matéria (Rio de Janeiro) A1 - Kandasamy, Mohan A1 - Kumarasamy, Vidhya SN - 1517-7076 UL - 10.1590/1517-7076-RMAT-2026-0178 VL - 31 Y1 - 2026 PB - Brasil ER -