Research on the Estimation Method of the Stiffness Degeneration Index of Reinforced Concrete Members

<div>Estimated values and experimental values of <i>D</i><sub>K,<i>k</i></sub> for each half-cycle for 31 specimens.</div>

Advances in Civil Engineering

Figure 15: Research on the Estimation Method of the Stiffness Degeneration Index of Reinforced Concrete Members 