Dalaf, Ahmed Naji, and Shatha Dheyaa Mohammed. “Steel Fiber Enhancement Upon Punching Shear Strength of Concrete Flat Plates Exposed to Fire Flame”. Civil Engineering Journal 7, no. 10 (October 1, 2021): 1667–1678. Accessed October 31, 2025. https://www.civilejournal.org/index.php/cej/article/view/3035.