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From [Institution name]
Property |
Unit |
Requirement |
Result |
|
---|---|---|---|---|
Compressive strength (initial) |
kPa |
≥ 150 |
311.8 |
|
Dynamic impact resistance (mean failure energy) |
J |
≥ 2.45 |
5.6 |
|
Creep resistance (residual thickness at 25 years/10°C) |
% |
≥ 40% at 25 years/10°C |
88.5 |
|
Cold bending at –30°C |
N/A |
No visible crack |
No visible crack |
|
Tensile strength |
at yield |
kN/m |
≥ 8 |
MDFootnote (1) 12.9, XDFootnote (1) 9.4 |
elongation at break |
% |
≥ 25 |
MD 42.9, XD 41.4 |
|
anisotropy ratio |
– |
≥ 0.5 |
1.37 |
|
Heat aging for 8 weeks |
dimensional change |
% |
≤ 1 |
MD –1.0, XD –0.7 |
weight change |
% |
≤ –0.1 |
–0.5Footnote (2) |
|
residual compression strength |
% |
≥ 80 of initial |
109 |
|
creep resistance after heat aging (residual thickness at 25 years/10°C) |
% |
≥ 40% at 25 years/10°C |
89.8 |
|
Resistance to alkaline environment |
appearance |
N/A |
No visible crack |
No visible crack |
residual compression strength |
% |
≥ 80% of initial |
110.1 |
|
cold bending at –30°C |
N/A |
No cracks at room temperature |
No visible crack |
Geometrical properties |
|||
---|---|---|---|
orientation of dimples |
− |
Report value |
Square MD/XD |
number of dimples per unit area |
Dimples/m2 |
Report value |
1 271 |
overall thickness |
mm |
Report value |
8.64 |
sheet thickness |
Report value |
0.86 |
|
hollow core thickness |
≥ 5 |
7.78 |
|
Anchorage performance |
kN/anchor |
Report value |
0.69 |