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Specimen details.
| Series name | Replacement ratio of RA, R (%) | Number of CFRP layers | Number of identical specimens | Subtotal of test specimens |
|---|---|---|---|---|
| C1 | 0, 30, 50, 100 a | 0, 1, 3 | 3 | 33 |
| C2 | 100 | 0, 1, 3 | 3 | 9 |
| C3 | 100 | 0, 3 | 3 | 6 |
a Note that in series C1, the specimen with the replacement ratio of 100% was only wrapped with three layers of CFRP (carbon fiber-reinforced polymer).
