Punching Shear Failure Characteristics of Flat Slabs Using Reactive and Modified Powder Concrete With Steel Fibers. J. eng. sustain. dev. [Internet]. 2013 Nov. 1 [cited 2024 May 16];17(5):124-40. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1061