9KARBHARI V M, SEIBLE F. Post-strengthening of concrete slabs [ C ]//Fourth Intenrational Symopsium-FRP Reinforcement for RC Structures, ACI International, SP-188, Michigan, 1999 575-586.
10TROISKY M S. Prestressed steel bridge, theory and design IMP. New York: Van Nostrand Reinhold Company,1990. 345-377.
