1. 1) ACI: Building Code Requirements for Reinforced Concrete (ACI 318-77), 2nd Printing, June, 1978.
2. 2) CEB: International Systems of United Standard Codes of Practice for Structure, Bulletin d'Information No. 124/125-E, April, 1978.
3. 3) BSI: The Structural Use of Concrete, CP 110, BSI, London, 1972.
4. 4) BSI: Steel, Concrete and Composite Bridges, BS5400, BSI, London, 1978.
5. 5) Fujino, Y.: Probabilistic Methods of Safety Checking and Structural Design, Jour, of JSCE, Vol. 60, No. 2, pp. 33-39, 1978. (In Japanese)