1. ABAQUS user's manual version 5.6 . (1996). Hibbit Karlsson & Sorenson Inc. Pawtucket R.I.
2. American Association of State Highway and Transportation Officials (AASHTO). (
1989). Guide specifications for strength evaluation of existing steel and concrete bridges Washington D.C.
3. American Association of State Highway and Transportation Officials (AASHTO). (
1994). Guide for load distribution Washington D.C.
4. American Association of State Highway and Transportation Officials (AASHTO). (
1996). Standard specifications for highway bridges Washington D.C.
5. American Association of State Highway and Transportation Officials (AASHTO). (
1998). LRFD bridge design specifications Washington D.C.