1. Sinha, B. P., Gerstle, K. H. and Tulin, L. G., ‘Stress-strain relations for concrete under cyclic loading’,J. Amer. Concr. Inst. 61 (2) (1964) 195–210.
2. Karsan, I. D. and Jirsa, J. O., ‘Behaviour of concrete under compressive loadings’,Proc. Amer. Soc. Civ. Engrs, J. Struct. Div. 95 (ST12) (1969) 2543–2563.
3. Buyukozturk, O. and Tseng, T. M. ‘Concrete in biaxial cyclic compression’,-ibid. 110 (3) (1984) 461–476.
4. Desayi, P., Iyengar, K. T. S. R. and Reddy, T. S., ‘Stress-strain characteristics of concrete confined in steep spirals under repeated loading’,Mater. Struct. 12 (71) (1979) 375–383.
5. Shah, S. P., Fafitis, A. and Arnold, R., ‘Cyclic loading of spirally reinforced concrete’,Proc. Amer. Soc. Civ. Engrs, J. Struct. Div. 109 (7) (1983) 1695–1710.