1. ACI 318-99. Building code requirements for structural concrete and commentary. Farmington Hills (MI), American Concrete Institute, Detroit, USA, 1999
2. Load and resistance factor design (LRFD) specification for structural steel buildings;AISC,1999
3. Architectural institute of Japan (AIJ). Recommendations for design and construction of concrete filled steel tubular structures, Tokyo, Japan; 1997
4. ASCCS. Concrete filled steel tubes—a comparison of international codes and practices. ASCCS Seminar Report, Innsbruck; 1997
5. ATC-24. Guidelines for cyclic seismic testing of components of steel structures, Redwood City (CA): Applied Technology Council; 1992