Assessment of the Impact of Oil-Contaminated Sand on the Structural Performance of Reinforced Concrete: Experimental and Numerical Analysis (Mustafa A. Saeed, Zarina Itam, Meqdam Hatem Hammadi Alakashe, Muhammad Imran Najeeb, Nazirul Mubin Zahari, Mohd Hafiz Zawawi, & Nurul Husna Hassan, Trans.). (2026). Mesopotamian Journal of Civil Engineering, 2026, 16-57. https://doi.org/10.58496/MJCE/2026/006