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Table 1 Nomenclature of the four initial tested beams: REF, RCFRP, RGFRP and R3DTR.

From: Experimental Investigation on Flexural Capacity of Reinforced Concrete Beams Strengthened with 3D-Fiberglass, CFRP and GFRP

No.

Specimens name

Longitudinal strengthening at the bottom of beam

Wrapping

Description

Strengthening material (with 2500 mm length)

Out of bending zone–600 mm each side

End anchorage–200 mm each side

CFRP

GFRP

3D-Fiberglass

CFRP

GFRP

CFRP

GFRP

1

REF

2

RCFRP

 × 

 × 

Strengthening with one layer CFRP at the bottom and CFRP wrapping end anchorage

3

RGFRP

 × 

 × 

Strengthening with one layer GFRP at the bottom and GFRP wrapping end anchorage

4

R3DTR

 × 

 × 

 × 

Impregnating the 3D-fiberglass with resin and extension of GFRP wrapping