“PRACTICAL WAY FOR DETERMINING THE FIRE RESISTANCE OF SQUARE REINFORCED CONCRETE SECTIONS WITH A SYMMETRICAL REINFORCEMENT, SUBJECTED TO BIAXIAL BENDING AND ALL-SIDED FIRE EXPOSURE”, WS, vol. 1, no. 3(7), pp. 27–31, Mar. 2016, Accessed: Nov. 01, 2026. [Online]. Available: https://rspublisher.org/index.php/ws/article/view/982