Research Article
Strengthening Effect of Prestressed Near-Surface-Mounted CFRP Tendon on Reinforced Concrete Beam
Table 4
Test variables and designation of specimens.
| | Group | Designation | Filler type | Surface treatment of tendon | No. of reinforcement | Bonding | (MPa) | Damage ratio w.r.t. Control (%) | Strengthened length (m) |
| | I | Control-1 | — | — | — | — | 40 | — | — | | M-SC-1-B-40-0 | Mortar | Sand coating | 1 | O | 40 | 0 | 4.8 | | M-SC-2-B-40-0 | Mortar | Sand coating | 2 | O | 40 | 0 | 4.8 | | M—GR-1-B-40-0 | Mortar | Grind | 1 | O | 40 | 0 | 4.8 |
| | II | Control-2 | — | — | — | — | — | — | — | | E-OX-1-B-40-0 | Epoxy | Oxide coating | 1 | O | 40 | 0 | 4.8 | | E-OX-1-UB-40-0 | Epoxy | Oxide coating | 1 | X | 40 | 0 | 4.8 | | E-OX-1-B-30-0 | Epoxy | Oxide coating | 1 | O | 30 | 0 | 4.8 | | E-OX-1-B-40-30 | Epoxy | Oxide coating | 1 | O | 40 | 30 | 4.8 | | E-OX-1-B-40-60 | Epoxy | Oxide coating | 1 | O | 40 | 60 | 4.8 |
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