1. 318. Building Code Requirements for Structural Concrete (ACI 318–19): Commentary on Building Code Requirements for Structural Concrete (ACI 318R–19);Committee,2019
2. AASHTO LRFD bridge design specifications;American Association of State Highway and Transportation Officials,2017
3. Eurocode 2: Design of Concrete Structures: Part 1–1: General Rules and Rules for Buildings;British Standards Institution,2004
4. fib model code for concrete structures 2010;Fédération internationale du béton,2010
5. CSA Groupe. Design of concrete structures A23.3-14. Mississauga, Ontario, Canada2014. p. 281.