@article{senguttuvan_natarajan_govindan_2026,  title={Evaluation of hoop stress in thick walled non-reinforced geopolymer concrete pipes composed with eco-friendly sustainable materials under revised curing},  volume={31},  ISSN={1517-7076},  url={https://doi.org/10.1590/1517-7076-RMAT-2026-0018},  DOI={10.1590/1517-7076-RMAT-2026-0018},  journal={Matéria (Rio de Janeiro)},  publisher={Laboratório de Hidrogênio, Coppe - Universidade Federal do Rio de Janeiro, em cooperação com a Associação Brasileira do Hidrogênio, ABH2},  author={Senguttuvan, Kavipriya and Natarajan, Sridhar and Govindan, Deepanraj Cherupillil},  year={2026},  pages={e20260018} }