Research Article
Study on the Dynamic Properties of Concrete under Freeze-Thaw Cycles and CT Fine View Damage
Table 2
Impact compression test results for concrete subjected to freeze-thaw cycles.
| Number of freeze-thaw cycles | Specimen number | Peak strength (MPa) | Peak strength average value (MPa) | Peak strain | Peak strain average value | Modulus of elasticity (GPa) | Mean modulus of elasticity (GPa) |
| 0 | A1 | 70.16 | 69.28 | 0.00879 | 0.00852 | 17.39 | 17.13 | A2 | 68.54 | 0.00835 | 17.11 | A3 | 69.15 | 0.00842 | 16.89 |
| 25 | B1 | 65.04 | 64.42 | 0.00944 | 0.00912 | 15.78 | 15.05 | B2 | 64.32 | 0.00911 | 15.31 | B3 | 63.89 | 0.00880 | 14.06 |
| 50 | C1 | 58.31 | 59.81 | 0.0099 | 0.00965 | 14.18 | 13.28 | C2 | 61.15 | 0.00943 | 12.54 | C3 | 59.97 | 0.00962 | 13.11 |
| 75 | D1 | 58.86 | 57.39 | 0.0110 | 0.01038 | 11.51 | 11.89 | D2 | 57.19 | 0.0102 | 12.71 | D3 | 56.12 | 0.00994 | 11.45 |
| 100 | E1 | 56.09 | 55.81 | 0.01180 | 0.01103 | 11.20 | 10.70 | E2 | 55.47 | 0.01040 | 10.98 | E3 | 55.87 | 0.01090 | 9.91 |
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