Abd Alkarem ST, Al-Asadi AK. Effect of Crimped Steel Fiber Ratios on Punching Shear Strength of Lightweight Concrete Slabs. Samarra J. Eng. Sci. Res. [Internet]. 2025 Jan. 19 [cited 2026 Jun. 19];2(4):24-41. Available from: https://journals.uosamarra.edu.iq/sjesr/article/view/64