TY - JOUR T1 - Evaluation of hoop stress in thick walled non-reinforced geopolymer concrete pipes composed with eco-friendly sustainable materials under revised curing JO - Matéria (Rio de Janeiro) A1 - Senguttuvan, Kavipriya A1 - Natarajan, Sridhar A1 - Govindan, Deepanraj Cherupillil SN - 1517-7076 UL - 10.1590/1517-7076-RMAT-2026-0018 VL - 31 Y1 - 2026 PB - Brasil ER -