1. Seismic retrofit of circular bridge columns for enhanced flexural performance;Chai;ACI Struct. J.,1991
2. Theoretical stress-strain model for confined concrete;Mander;J. Struct. Eng, ASCE,1988
3. Spiral-reinforced high-strength concrete columns;Morales,1982
4. Lateral confinement of concrete using FRP reinforcement;Nanni,1993
5. Strengthening bridge columns with composites;Fyfe,1992