1. American Association of State Highway and Transportation Officials (AASHTO), 2010. AASHTO LRFD Bridge Design Specifications. fifth ed., Washington D.C.
2. American Association of State Highway and Transportation Officials (AASHTO), 2009. AASHTO LRFD Bridge Construction Specification. second ed., Washington D.C.
3. ACI Committee 318 – Building Code Requirements for Reinforced Concrete (ACI-318-08) and Commentary – ACI 318 R-08;American Concrete Institute (ACI),2008
4. 2013 Report Card for America’s Infrastructure;American Society of Civil Engineers (ASCE),2013
5. Standard Specification for Steel Wire, Deformed, for Concrete Reinforcement;ASTM A496/A496M,2007