1. 1) Motoki, S., Matsushita, Y and Akino, T.: Experimental Study on Failure Mechanics of RC Columns-Part 1, Proc. of Annual Meeting of AIJ, pp. 1431-1432, 1976. 10 (in Japanese).
2. 2) Ohno, K. et al.: Flexural Failure Features of RC Columns subjected to Dynamic Repeated Loading, Proc. of Annual Meeting of AIJ, pp. 1443-1446, 1976. 10 (in Japanese).
3. 3) Arakawa, T. et al.: Estimation of Ductility of RC Columns subjected to Repeated Loading, Proc. of 3rd Annual Meeting of Concrete Engineering, pp. 449-452, 1981 (in Japanese).
4. 4) Ikeda, A.: Experiment of RC Columns under Repeated Loading in Plastic Region, Concrete Journal, Vol. 8, No. 12, pp. 1-13, 1970. 12 (in Japanese).
5. 5) Kuromasa, S., Hayashi, S. and Nakano, T.: Study on Restoring Characteristics of RC Columns under Repeated Loading, Proc. of Annual Meeting of AIJ, pp. 1393-1394, 1973 (in Japanese).