Table 3 Tensile properties of ECC rectangular flat-plates.
Cycles of freeze–thaw | Tensile strength at first cracking | Tensile strain at first cracking | Ultimate tensile strength | Ultimate tensile strain | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
fetc (MPa) | u (MPa) | CoV | εetc (%) | u (%) | CoV | fetu (MPa) | u (MPa) | CoV | εetu (%) | u (%) | CoV | |
0 | 2.04 | 2.10 | 0.021 | 0.023 | 0.024 | 0.039 | 2.41 | 2.41 | 0.003 | 2.50 | 2.69 | 0.074 |
2.14 | 0.025 | 2.40 | 2.60 | |||||||||
2.12 | 0.025 | 2.42 | 2.96 | |||||||||
50 | 1.98 | 1.92 | 0.023 | 0.029 | 0.027 | 0.046 | 2.40 | 2.30 | 0.030 | 3.00 | 2.90 | 0.027 |
1.87 | 0.026 | 2.24 | 2.81 | |||||||||
1.92 | 0.027 | 2.27 | 2.90 | |||||||||
100 | 1.76 | 1.80 | 0.016 | 0.033 | 0.030 | 0.072 | 2.12 | 2.17 | 0.019 | 2.96 | 3.10 | 0.032 |
1.83 | 0.028 | 2.22 | 3.19 | |||||||||
1.81 | 0.029 | 2.16 | 3.15 | |||||||||
150 | 1.74 | 1.72 | 0.018 | 0.03 | 0.033 | 0.075 | 2.05 | 1.98 | 0.026 | 3.26 | 3.30 | 0.025 |
1.68 | 0.036 | 1.96 | 3.23 | |||||||||
1.75 | 0.034 | 1.93 | 3.42 | |||||||||