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

<div>Relationship between <i>μ</i><sub><i>k</i></sub> and parameter <i>β</i>. (a) Different symbols represent the difference in <i>ρ</i>. (b) Different symbols represent the difference in <i>ρ</i><sub>w</sub>.</div>

Advances in Civil Engineering

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Figure 9

Figure 9: Research on the Estimation Method of the Stiffness Degeneration Index of Reinforced Concrete Members 