From: An Analytical Model for FRP Debonding in Strengthened RC Beams under Monotonic and Cyclic Loads
Specimens | Label | Loading history | Flexural strengthening with CFRP laminate | End anchorage | Shear strengthening with CFRP laminate/sheet | ||||
---|---|---|---|---|---|---|---|---|---|
w f (mm) | t f (mm) | L f (mm) | w f (mm) | Type (laminate or sheet) | |||||
Control beams | CM1 | Monotonic | – | – | – | – | – | – | |
CM2 | Monotonic | – | – | – | – | – | – | ||
CC | Cyclic | – | – | – | – | – | – | ||
Strengthened beams | S1-group | S1 MN | Monotonic | 50 | 1.2 | 1550 | No | – | – |
S1M | Monotonic | 50 | 1.2 | 1550 | Yes (EA) | – | – | ||
S1C | Cyclic | 50 | 1.2 | 1550 | Yes (EA) | – | – | ||
S2-group | S2M1 | Monotonic | 50 | 1.2 | 1550 | Yes (EA) | 50 | Laminate (t = 1.2 mm) | |
S2M2 | Monotonic | 50 | 1.2 | 1550 | Yes (EA) | 200 | Sheet | ||
S2M3 | Monotonic | 50 | 1.2 | 1550 | Yes (EA) | 200 | Wrapped Sheet |