1. AASHTO, 2018, “AASHTO LRFD Bridge Design Guide Specifications for GFRP–Reinforced Concrete,” second edition, American Association of State Highway and Transportation Officials, Washington, DC.
2. ACI Committee 318, 2019, “Building Code Requirements for Structural Concrete (ACI 318-19) and Commentary (ACI 318R-19),” American Concrete Institute, Farmington Hills, MI, 624 pp.
3. ACI Committee 440, 2015, “Guide for the Design and Construction of Structural Concrete Reinforced with Firber-Reinforced Polymer (FRP) Bars (ACI 440.1R-15),” American Concrete Institute, Farmington Hills, MI, 88 pp.
4. Axial Capacity of Circular Concrete Columns Reinforced with GFRP Bars and Spirals;Afifi;Journal of Composites for Construction,2014
5. Strength and Axial Behavior of Circular Concrete Columns Reinforced with CFRP Bars and Spirals;Afifi;Journal of Composites for Construction,2014