AAC guarantees a tensile strength of 1000 MPa (on selected diameter) which allows to replace steel products with a composite smaller diameter without loss of performance.
TABLE OF SUBSTITUTION by tensile strength | ||||
---|---|---|---|---|
METAL REBAR | FIBERGLASS REBAR (FRP) | |||
Weight (per 12 meter bar) | Diameter | Weight (per 12 meter bar) | Diameter | |
2.75kg | 6 | = | 0.46kg | 4.5 |
4.74kg | 8 | = | 0.57kg | 6 |
7.40kg | 10 | = | 0.94kg | 7 |
10.65kg | 12 | = | 1.23kg | 8 |
14.52kg | 14 | = | 1.65kg | 10 |
18.93kg | 16 | = | 2.48kg | 12 |
24.00kg | 18 | = | 3.24kg | 14 |
35.76kg | 22 | = | 4.87kg | 16 |
46.22kg | 25 | = | 6.28kg | 18 |
58.02kg | 28 | = | 8.08kg | 20 |
75.79kg | 32 | = | 9.80kg | 22 |
(-) Equal ultimate stress | *These are approx values |
Material | Steel | GFRP |
---|---|---|
Tensile Strength [MPa]/N/mm^2 | 500 | 1000+ |
Shear strength | 120 | 170 |
Bond strength Mpa/ N/mm^2 | 14* | 12.5 |
Compression (MPa/N/mm^2) | 500 | 450 |
Modulus of Elasticity [Gpa] | 160-200 | 65 |
Elongation [%] | 25 | 4 |
Durability | Terms are prescribed in special building codes | Not less than 80 years |
Density [ton/m³] | 7.8 | 1.9 |
Corrosion resistance to aggressive environment | Appearance of rust products | Stainless material preserving properties even in alkaline concrete environment |
Ecological compatibility | Ecologically friendly material | Does not emit harmful and toxic substrances during stora e and use |
Electrical conductivity | Electrically conductive material | Dielectric |