1. 1) AUSTIN, W. J.: In-Plane Bending and Buckling of Arches, Journal of the Structural Division, ASCE, Vol. 95, ST 5, May, pp. 1575-4592, 1971.
2. 2) Harries, H.: Traglaster Stählerner Zweigelenkbogen mit Ausgebreiteten Fließzonen, Der Stahlbau, H. 6, 1970, pp. 170-177, H. 8, pp. 248-257, 1970 (in German).
3. 3) Japan Road Association: Specification for Highway Bridges February, 1980 (in Japanese).
4. 4) Johnston, B. G. (Editor): Guide to Stability Design Criteria for Metal Structures, Structural Stability Research Council, Third Edition, John Wiley and Sons, N. Y., 1976.
5. 5) Komatsu, S. and Shinke, T.: Practical Formulation for In-plane Load Carrying Capacity of Arches, Proceedings of the Japan Society of Civil Engineers, No. 267, pp. 39-52, 1977 (in Japanese).