Table 8 Nomenclature of the two additional tested beams: R3DTG and R3DTRB.
No. | Specimens name | Longitudinal strengthening at bottom of the beam | Wrapping | Description | ||||
|---|---|---|---|---|---|---|---|---|
Length of 3D-fiberglass (mm) | Out of bending zone—600 mm each side | End anchorage—200 mm each side | ||||||
1800 | 2500 | CFRP | GFRP | CFRP | GFRP | Â | ||
1 | R3DTG | − |  ×  | − |  ×  | − |  ×  | Concrete repairer injected into the 3D-fiberglass |
2 | R3DTRB |  ×  | − | − |  ×  | − |  ×  | Impregnating with resin and extended 100 mm on side |