Specimen | Strengthening Technique | Young’s Modulus of Repairing Material | Details of Strengthening Element | Added Area of Strengthening Element |
S1 | Control | Non | Non | Non |
S2 | GFRP Sheets | 73 KN/mm2 | One sheet with 1000 mm length, 500 mm width and 0.6 mm | 300 mm2 |
S3 | Carbon Laminate Strips | 165 KN/mm2 | Two strips with 1000 mm length, 50 mm width and 1.2 mm thickness | 120 mm2 |
S4 | Near Surface Mounted Rebars | 200 KN/mm2 | Two steel bars with 12 mm diameter | 226 mm2 |