1. AASHTO LRFD. (2012). Bridge design specifications. American Association of State Highway and Transportation OfficialsWashington, 1635.pp.
2. ACI 318. (2014). Building code requirements for structural concrete and commentary. (ACI 318-14). ACI, Farmington Hills, MI, 520 pp.
3. One-way shear strength of large footings
4. AS 3600. (1994). Committee BD/2. Australian Standard. Concrete structures standards. Association of Australia.