1. 1) Nishikawa, K.: Fatigue problems in highway bridges, pp. 19-23. Abe, H. et al.: Fatigue problems in railway bridges, pp. 24-29, Miki, T. and Fisher, J. W.: Fatigue problems in foreign bridges, pp. 30-34. The Bridge and Foundation Engineering, Kensetsutosho Publisher, Tokyo, Vol. 17, No. 8, 1983. (in Japanese)
2. 2) Fisher, J. W.: Fatigue and Fracture in Steel Bridges, John Wiley & Sons, Inc., 1984.
3. 3) Akashi, S.: Fatigue crackings and their researches of welded structures, Proc. of JSCE, No. 350, pp. 1-7, 1984. (in Japanese)
4. 4) Hanshin Expressway Public Corp. and Naigaikoei Co., Ltd.: Classification of Fatigue Cracks at Member Connections in Plate Girder Bridges, Mar., 1985. (in Japanese)
5. 5) Saeki, S., Nishikawa, K. and Takizawa, A.: Report on Loading Tests of Kyowa Bridge, Technical Note of Public Works Research Institute, Ministry of Construction, Japan, No. 2123, Jun., 1984. (in Japanese)