“STRUCTURAL STUDY OF FRP COMPOSITE PILE UNDER AXIAL COMPRESSION LOAD USING FINITE ELEMENT METHOD”, J. eng. sustain. dev., vol. 21, no. 3, pp. 174–188, May 2017, Accessed: May 08, 2024. [Online]. Available: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/556