Table 4 Specimen information under different environments of chloride salt erosion.
Serial number | Concentration of sodium chloride solution/% | Dry and wet cycles | Cycle frequency |
|---|---|---|---|
1 | 5 | 120 | 1Â day/time |
2 | – | – | – |
3 | 5 | – | – |
4 | 2.5 | 120 | 1Â day/time |
5 | 7.5 | 120 | 1Â day/time |
6 | 5 | 90 | 1Â day/time |
7 | 5 | 150 | 1Â day/time |
8 | 5 | 120 | 2Â day/time |