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Results of testing the performance requirements of the product
Property Unit Requirement Result
Compressive strength (initial) kPa 150 322
Dynamic impact resistance (mean failure energy) J ≥ 2.45 3.2
Creep resistance (residual thickness at 25 years/10°C) % ≥ 50% at 25 years/10°C 82.6
Cold bending at -30°C N/A No visible crack No visible crack
Tensile strength at yield kN/m ≥ 8  XD Footnote (1) 9.5
elongation at break % ≥ 25 XD 31.2
  Anisotropy Ratio   ≥ 0.5 1.8
Heat aging for 8 weeks dimensional change % ≤ 1 MD -1, XD -0.8
weight change % ≤ -0.1 -0.3 Footnote (2)
residual compression strength % ≥ 80 of initial 103.3
creep resistance (residual thickness at 25 years/10°C) % ≥ 40% at 25 years/10°C 85.1
Resistance to alkaline environment appearance N/A No visible crack No visible crack
residual compression strength % ≥ 80 of initial 111.5
bending at resistance N/A No visible cracks No visible crack
Geotextile fabric properties grab tensile N ≥ 500 MD 595.5, XD 695.6
puncture resistance N ≥ 100 197
trapezoid tear resistance N ≥ 180 MD 258.1, XD 278.8
filtration opening size by hydrodynamic sieving µm ≤ 180; report value 145
permittivity s-1 ≥ 0.5; report value 1.4
UV resistance (retained strength) % retained 50% after 500 hours--> > 50% after 500 hours MD 103.1, XD 91.6
Hydraulic transmissivity (flow rate) m3/h∙m 1.33 6.46
Geometrical Properties:
Orientation of the dimples - Report value Square MD/CD
Number of dimples per unit area dimples/m2 Report value 1259
Overall thickness mm Report value 8.66
Sheet thickness mm Report value 0.64
Hollow core thickness mm Report value 8.02
Anchorage performance anchorage efficiency kN/anchor Report value 0.48