TY  - SER
AU  - Kwak, H. G.
AU  - Son, J.-K.
TI  - Inelastic Behaviour of Psc Beams with  Unbonded External Tendons
KW  - Inelastic Behavior
KW  - Prestressed Concrete (Psc) Briges
KW  - Unbonded External Tendon
ER  -