GFRP REBARS
What is GFRP ?
GFRP stands for Glass Fiber Reinforced Polymer (or Plastic). It is a composite material made of glass fibers embedded in a polymer matrix (usually epoxy, polyester, or vinyl ester). GFRP combines the strength of glass fibers with the lightweight and corrosion-resistant properties of polymers.
Table of Substitution
| GFRP REBARS | METAL REBARS | ||
|---|---|---|---|
| Dia | Weight (12m) | Dia | Weight (12m) |
| 3.0 mm | 0.185 Kg | -- | -- |
| 3.5 mm | 0.280 Kg | -- | -- |
| 4.5 mm | 0.468 Kg | 6 mm | 2.75 Kg |
| 6.0 mm | 0.570 Kg | 8 mm | 4.74 Kg |
| 7.0 mm | 0.940 Kg | 10 mm | 7.40 Kg |
| 8.0 mm | 1.200 Kg | 12 mm | 10.65 Kg |
| 10.0 mm | 1.600 Kg | 14 mm | 14.52 Kg |
| 12.0 mm | 2.400 Kg | 16 mm | 18.93 Kg |
| 14.0 mm | 3.240 Kg | 18 mm | 24.00 Kg |
| 16.0 mm | 4.870 Kg | 22 mm | 35.76 Kg |
| 18.0 mm | 6.280 Kg | 25 mm | 46.22 Kg |
| 20.0 mm | 8.080 Kg | 28 mm | 58.02 Kg |
| 22.0 mm | 9.800 Kg | 32 mm | 75.79 Kg |
| 25.0 mm | 11.670 Kg | 40 mm | 118.52 Kg |
Attributes of GFRP
Applications of GFRP REBARS
Water & waste water treatement plants
Dams, Sea walls & marine applications
Bridge decks
Rcc floorings built in or close to the sea
Highway construction
Swimming pools
Barrier walls
Underground water tanks
Tunneling & Temporary reinforcement
Approach slab
Hospital MRI areas
RCC roads
Pavements
Drianage
Crash barriers
Friction Slab
Industrial Floorings
Parking’s
Concrete Slabs
Chemical Plants
Precast
Foundations
Walls
Standards & Design Guides of GFRP Rebars in India
IS 18255: 2023
Fibre-Reinforced Polymer (FRP) Rebars for Concrete Reinforcement – Methods of Test.IS 18256: 2023
Solid round glass fibre reinforced polymer (GFRP) Rebars for Concrete Reinforcement Specification.IRC: 137 – 2022
Guidelines on use of fibre-reinforced polymer bars in road projects.
