Table 7 Strength degradation coefficient of specimens in control group I
Specimen | Δ/Δy | λ | Specimen | Δ/Δy | λ | ||||
|---|---|---|---|---|---|---|---|---|---|
Cycle 1 | Cycle 2 | Cycle 3 | Cycle 1 | Cycle 2 | Cycle 3 | ||||
H45-1 (n = 0.10) | 2.39 | 1.000 | 0.983 | 0.977 | H45-2 (n = 0.25) | 2.06 | 1.000 | 0.970 | 0.957 |
3.19 | 1.000 | 0.995 | 0.988 | 2.75 | 1.000 | 0.984 | 0.969 | ||
3.99 | 1.000 | 0.984 | 0.972 | 3.44 | 1.000 | 0.989 | – | ||
4.79 | 1.000 | 0.993 | – | ||||||
T45-3 (n = 0.10) | 2.19 | 1.000 | 0.983 | 0.975 | T45-4 (n = 0.25) | 2.14 | 1.000 | 0.990 | 0.985 |
2.92 | 1.000 | 0.985 | 0.979 | 2.85 | 1.000 | 0.982 | 0.966 | ||
3.65 | 1.000 | 0.985 | 0.980 | 3.56 | 1.000 | 0.973 | 0.951 | ||
4.38 | 1.000 | 0.984 | 0.971 | 4.27 | 1.000 | 0.953 | – | ||
5.12 | 1.000 | 0.972 | – | ||||||