Faik Abbas Al-Wakel S, Hadi Ibrahim K, Kareem Alwan S. INVESTIGATING OF THE BEHAVIOR OF PILE GROUPS UNDER THE EFFECT OF SUCTION POTENTIAL OF UNSATURATED EXPANSIVE SOIL. J. eng. sustain. dev. [Internet]. 2018 Jul. 1 [cited 2025 Jun. 16];22(4):57-73. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/425