| properties |
terms1)
|
values
|
comments
|
core cross section
|
A |
0,50 cm2
|
bar dia. / bar number
Ø 8 mm/M8
|
| 1,13 cm2 |
Ø 12 mm/M13 |
| 2,01 cm2 |
Ø 16 mm/M15 |
| 4,91 cm2 |
Ø 25 mm/M25 |
| 8,04 cm2 |
Ø 32 mm/M32 |
nominal weigth
|
g |
0,14 kg/m
|
bar dia. / bar number
Ø 8 mm/M8
|
| 0,30 kg/m |
Ø 12 mm/M13 |
| 0,52 kg/m |
Ø 16 mm/M15 |
| 1,22 kg/m |
Ø 25 mm/M25 |
| 1,95 kg/m |
Ø 32 mm/M32 |
characteristic tensile strength
|
ffk |
>1000 N/mm2 |
see page 10 in the
Technical Information |
design tensile strength (ULS)
|
ffd |
435 N/mm2 |
see page 11 in the
Technical Information |
modules of elasticity
|
Ef |
>60.000 N/mm2 |
see graphic page 10 in the
Technical Information |
| strain at ultimate limit state (ULS) |
εf |
7,3 ‰ |
(at f = 435 N/mm2) |
| maximum bond strength |
fb |
12 - 25 N/mm2 |
acc. RILEM RC 6
(depending on concrete
compressive strength)
|
| design bond strength |
fbod |
2,3 N/mm2
|
C 20/25
|
| 3,0 N/mm2 |
C 30/37 |
| 3,7 N/mm2 |
C 40/50 |
| strength perpendicular to axis |
– |
200 N/mm2
|
Ø 16 mm (see page 8 in the
Technical Information)
|
| 150 N/mm2 |
Ø 32 mm (see page 8 in the
Technical Information) |
| concrete cover |
cv |
ds + 10 mm |
all exposure classes
precast: ds + 5 mm |
| density |
γ |
2,2 g/cm3 |
|
| thermal conductivity |
λ |
< 0,5 W/mK |
| coefficient of thermal expansion |
α |
0,6 x 10-5 1/K (axial)
|
Beton: 0,5 - 1,5 x 10-5 1/K |
| 2,2 x 10-5 1/K (radial) |
| critical core temperature |
– |
400° C |
refer to page 15 in the
Technical Information |
specific resistance
|
– |
> 1012 μΩcm |
|
chemical resistance
|
– |
very good
|
electro-magnetic conductivity
|
– |
none |
environmental hazard rating
|
– |
ZO (non hazardous)
|
according to LAGA |
| water absorbtion |
– |
< 0,3 % |
for all diameters |
| glass transition temperature |
Tg |
180° C |
DSC and DMA method |
1) all terms according to fib
The values listed in this table are determined at room temperature.
ComBAR® (straight bars ø 16 and ø 32 mm) is tested and certified according to the American guideline ACI 440.3R-04 "Guide Test Methods for Fiber-Reinforced Polymers (FRPs) for Reinforcing or Strengthening Concrete Structures".