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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 | MD Footnote (1) 12.9, XD Footnote (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 | –0.5 Footnote (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 |