Research Article
Experimental Study on Mechanical Properties of CFRP-Confined Concrete Columns under Continuous Semi-Submergence of Sulfate
Table 2
Specimen grouping and numbering.
| | Test groups | Specimen number | Testing environment | Immersion age (days) | Number of CFRP binding layers | Number of specimens |
| | 1 | CU0 | Natural environment | 0 | 0 | 3 | | 2 | CUH60 | Continuous semisoaking | 60 | 0 | 3 | | 3 | CUH90 | Continuous semisoaking | 90 | 0 | 3 | | 4 | CUH120 | Continuous semisoaking | 120 | 0 | 3 | | 5 | CUH180 | Continuous semisoaking | 180 | 0 | 3 | | 6 | CUH240 | Continuous semisoaking | 240 | 0 | 3 |
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