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Results of Testing the Performance Requirements of the Product
Property Unit Requirement Result
Compressive strength (initial) kPa 150 214.2
Dynamic impact resistance (mean failure energy) J ≥ 2.45 3.2
Creep resistance (residual thickness at 25 years/10°C) % ≥ 40% at 25 years/10°C 60
Cold bending at -30°C No visible crack No visible crack
Tensile strength at yield kN/m ≥ 8 MD Footnote (1) 8.7, XD 8.1
elongation at break % ≥ 25 MD 28.8, XD 25.2
Heat aging Footnote (2) dimensional change % ≤ 1 MD -0.9, XD -0.9
weight change % ≤ -0.1 -0.2 Footnote (3)
residual compression strength % ≥ 80 of initial 103.9
creep resistance (residual thickness at 25 years/10°C) % ≥ 50% at 25 years/10°C 78
Resistance to alkaline environment appearance No visible crack No visible crack
residual compression strength % ≥ 80 of initial 107.5
cold bending at -30°C No cracks at room temperature No visible crack
Anchorage performance kN/anchor Report value 0.77