(4) Concrete with different strengths in the keyway area affected the stiffness, load, ductility, and energy dissipation of the precast prestressed concrete joints. However, the effect was not strong for these parameters.
(4) Concrete with different strengths in the keyway area affected the stiffness, load, ductility, and energy dissipation of the precast prestressed concrete joints. However, the effect was not strong for these parameters.