Research Article

Numerical Study on Seismic Behavior of Underwater Bridge Columns Strengthened with Prestressed Precast Concrete Panels and Fiber-Reinforced Polymer Reinforcements

Table 2

Detailed setting of the parameters of concrete materials in OS.

Concrete material parametersSetting value in OS
Concrete core 2Concrete core 1Concrete cover

compressive strength−25.1 MPa−32.7 MPa−32.7 MPa
elastic modulus24.9 GPa22.6 GPa22.6 GPa
compressive strain
ratio of ultimate strength (or crushing strength) to compressive strength2.01.780.5
ultimate strain (or crushing strength)−0.02−0.02−0.004
tensile strength
tension softening stiffness/0.002/0.002/0.002
λ ratio of unloading slope at to 0.10.10.1