Influence of Fire-Flame Duration and Temperature on the Behavior of Reinforced Concrete Beam Containing Water Absorption Polymer Sphere; Numerical Investigation. jcoeng [Internet]. 2022 Nov. 1 [cited 2024 Apr. 28];28(11):67-84. Available from: https://joe.uobaghdad.edu.iq/index.php/main/article/view/1609