TY - JOUR T1 - Durability performance of nano-silica modified fly ash concrete under accelerated CO2 carbonation conditions JO - Matéria (Rio de Janeiro) A1 - Viswanathan, Kinipalayam Eswaran A1 - Dharsini, Sundarraj Sophia Ruba A1 - Deivasigamani, Vivek A1 - Subramaniam, Anandaraj SN - 1517-7076 UL - 10.1590/1517-7076-RMAT-2026-0002 VL - 31 Y1 - 2026 PB - Brasil ER -