Research Article
Degradation Behavior of Concrete after Freeze-Thaw Cycles and Then Exposure to High Temperatures
Table 3
Parameters of the established compressive constitutive model.
| | Specimen | Freeze-thaw cycles | Exposure temperature (°C) | | | m |
| | F0-T20W | 0 | 20 | 1.000 | 3.798 × 10−5 | 1.75 | | F0-T300W | 0 | 300 | 0.855 | 1.272 × 10−4 | 1.75 | | F0-T400W | 0 | 400 | 0.685 | 1.967 × 10−4 | 1.75 | | F0-T500W | 0 | 500 | 0.548 | 3.909 × 10−4 | 1.75 | | F25-T20W | 25 | 20 | 1.000 | 3.702 × 10−5 | 1.75 | | F25-T300W | 25 | 300 | 0.855 | 1.243 × 10−4 | 1.75 | | F25-T400W | 25 | 400 | 0.685 | 2.074 × 10−4 | 1.75 | | F25-T500W | 25 | 500 | 0.548 | 3.186 × 10−4 | 1.75 | | F45-T20W | 45 | 20 | 1.000 | 6.009 × 10−5 | 1.75 | | F45-T300W | 45 | 300 | 0.855 | 2.125 × 10−4 | 1.75 | | F45-T400W | 45 | 400 | 0.685 | 3.206 × 10−4 | 1.75 | | F45-T500W | 45 | 500 | 0.548 | 7.009 × 10−4 | 1.75 |
|
|
