1. AASHTO (1994). AASHTO-ASD Bridge Design Specifications. 1 st Ed. American Association of State Highway and Transportation Officials, Washington DC.
2. AASHTO (2007). AASHTO LRFD Bridge Design Specifications. American Association of State Highway and Transportation Officials, Washington DC.
3. ABAQUS (2008). Standard user’s manual. CAE Version 6.8, Hibbit, Kalsson & Sorensen Inc., Providence, RI.
4. Alinia, M. M. and Moosavi, S. H. (2008). “A parametric study on the longitudinal stiffeners of web panels.” Thin- Walled Structures, 46, pp. 1213–1223.
5. Azhari, M. and Bradford, M. A. (1993). “Local buckling of I-section beams with longitudinal web stiffeners.” Thin-Walled Structures, 15, pp. 1–13.