Theoretical Non-Linear Analysis of Composite ( Pultruded GFRP I-Section and Deck Concrete) Strengthened With GFRP Stiffness: Theoretical Non-Linear Analysis of Composite ( Pultruded GFRP I-Section and Deck Concrete) Strengthened With GFRP Stiffness. Samarra J. Eng. Sci. Res. 2024, 2 (1), 64-75. https://doi.org/10.65115/eqtm2g20.