Composite rebars - characteristics
COMPARISON OF PHYSICAL AND CHEMICAL PROPERTIES | |||
MATERIAL | AIII CLASS STEEL | Glass fibre saturated with epoxy resin | Basalt fibre saturated with epoxy resin |
Tensile strenght (MPa) | 390 | 1250 | 1450 |
Modulus of elasticity (MPa) | 200000 | 55000 | 78000 |
Susceptibility to deformations | elastic and plastic | linear and elastic | linear and elastic |
Linear expansion coefficent % | 26 | 2,2 | 2,2 |
Thermal conductivity coefficent W/(mK) | 46 | 0,35 | 0,35 |
Density kg/m3 – specific gravity N/m3 | 7880 | 1890 | 1900 |
Corrosion resistance | corrosive | totally resistant to corrosion | totally resistant to corrosion |
Electrical conductivity | conducts eletrical current | dielectric | dielectric |
Thermal conductivity | high | low | low |
Diameters manufactured | 6 – 80 | 4 – 30 | 4 – 30 |
Commercial widths | straight bars 6 i 12 current meters | tailored -diameters of up to12mm in coils 50-150 current meters | tailored -diameters of up to12mm in coils 50-150 current meters |
Influence on interference of electromagnetics waves | interference with flow of waves | transparent for electromagnetic waves | transparent for electromagnetic waves |
Ecology | non-ecological | ecological, easy to dispose of | ecological, easy to dispose of |
Durability | as per building standards | forecast durability – min. 100 years | forecast durability – min. 100 years |
Comparison of parameters
A III CLASS STEEL METAL BARS | ||||||||||||||
Bar diameter (mm) | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 25 | 28 | 32 | 36 | 40 |
Weight of 1 current meter. (g/1mb) | 222 | 395 | 617 | 888 | 1210 | 1580 | 2000 | 2470 | 2980 | 3850 | 4830 | 6310 | 7990 | 9870 |
No. of meters from z 1t | 4504 | 2532 | 1621 | 1126 | 828 | 633 | 500 | 405 | 336 | 260 | 207 | 158 | 125 | 103 |
Cross-section (mm2) | 28,3 | 50,3 | 78,5 | 113,1 | 154 | 201 | 254 | 314 | 380 | 491 | 616 | 804 | 1018 | 1257 |
Tensile strenght (N) | 9905 | 17605 | 27475 | 39585 | 53900 | 70350 | 88900 | 109900 | 133000 | 171850 | 215600 | 281400 | 356300 | 439950 |
ZAMIENNIK PRĘTY KOMPOZYTOWE Epoksydowe | ||||||||||||||
Bar diamater (mm) | 4 | 6 | 7 | 8 | 10 | 11 | 12 | 14 | 16 | 18 | 20 | 22 | 24 | 26 |
Weight of 1 current meter. (g/1mb) | 21 | 52 | 73 | 98 | 153 | 181 | 223 | 288 | 364 | 467 | 597 | 719 | 868 | 998 |
No. of meters from z 1t | 47620 | 19230 | 13700 | 10200 | 6540 | 5530 | 4490 | 3470 | 2750 | 2150 | 1680 | 1391 | 1155 | 1002 |
Cross-section (mm2) | 11,33 | 25,45 | 34,66 | 45,24 | 70,69 | 85,56 | 101,83 | 138,63 | 180,87 | 228,89 | 282,85 | 342,34 | 407,24 | 477,81 |
Tensile strenght (N) | 10230 | 23120 | 31290 | 41320 | 63720 | 77138 | 93120 | 124880 | 162888 | 206980 | 254770 | 308355 | 367854 | 431687 |