K. Ammash H, Jawad Kadhim M, Sahib Ellk D. A New Punching Shear Equation of Normal and High Strength Reinforced Concrete Flat Slabs. J. eng. sustain. dev. 2012;16(4):47-65. Accessed April 26, 2025. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1140