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From [Institution name]
Property | Unit | Requirement | Result | |
---|---|---|---|---|
Compressive strength (initial) | kPa | ≥ 150 | 357.7 | |
Dynamic impact resistance (mean failure energy) | J | ≥ 2.45 | 10.4 | |
Creep resistance (residual thickness at 25 years/10°C) | % | ≥ 40% at 25 years/10°C | 86.2 | |
Cold bending at -30°C | N/A | No visible crack | No visible crack | |
Tensile strength | at yield | kN/m | ≥ 8 | XD 9.5 Footnote (1) |
elongation at break | % | ≥ 25 | XD 27.5 | |
anisotropy ratio | ≥ 0.5 | 0.99 | ||
OIT after 2 weeks | minutes | 5 | 14.2 Footnote (2) | |
dimensional change | % | ≤ 1 | MD -0.6, XD -0.4 | |
weight change | % | ≤ –0.1 | -0.3 | |
residual compression strength | % | ≥ 80 of initial | 107 | |
Heat aging (for 2 weeks) | OIT after 2 weeks | minutes | ≥ 5 | 14.2 Footnote (2) |
dimensional change | % | ≤ 1 | MD -0.6, XD -0.4 | |
weight change | % | ≤ –0.1 | -0.3 | |
residual compression strength | % | ≥ 80 of initial | 107 | |
creep resistance after heat aging (residual thickness at 25 years/10°C | % | Class B: ≥ 40% 25 years/10°C | 88.4 | |
Resistance to alkaline environment | appearance | N/A | No visible crack | No visible crack |
residual compression strength | % | ≥ 80 of initial | 98.7 | |
bending resistance | N/A | No visible crack | No visible crack | |
Hydraulic transmissivity (flow rate) | m3/h∙m | ≥ 1.33 | 127 | |
Geometrical Properties: | ||||
Orientation of the dimples | - | Report value | Diagonal MD/XD Footnote (1) | |
Number of dimples per unit area | dimples/m2 | Report value | 1 554 | |
Overall thickness | mm | Report value | 6.96 | |
Sheet thickness | mm | Report value | 0.82 | |
Hollow core thickness | mm | Report value | 6.14 | |
Anchorage performance anchorage efficiency | kN/washer | Report value | 0.29 | |
kN/plug | Report value | 0.31 |