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