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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 |
| Tensile strength elongation at break |
% |
≥ 25 |
MD 42.9, XD 41.4 |
| Tensile strength anisotropy ratio |
– |
≥ 0.5 |
1.37 |
| Heat aging for 8 weeks dimensional change |
% |
≤ 1 |
MD –1.0, XD –0.7 |
| Heat aging for 8 weeks weight change |
≤ –0.1 |
–0.5Footnote (2) |
|
| Heat aging for 8 weeks residual compression strength |
≥ 80 of initial |
109 |
|
| Heat aging for 8 weeks 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 |
| Resistance to alkaline environment appearance residual compression strength |
% |
≥ 80% of initial |
110.1 |
| Resistance to alkaline environment appearance 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 |