1. Guide Specification for Strength Evaluation of Existing Steel and Concrete Bridges;AASHTO,1989
2. Standard Specification for Highway Bridges;AASHTO,1992
3. LFRD Bridge Design Specifications;AASHTO,1994
4. Advice note - the assessment of concrete highway bridges and structures;BA,1990
5. Advice note - the assessment and strengthening of highway structures;BA,1997