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Table 4.1.1 Results of Testing the Performance Requirements of the Product

Property

Unit

Requirement

Result

Compressive strength (initial)

kPa

150

269

Dynamic impact resistance (mean failure energy)

J

≥ 2.45

2.6

Creep resistance (residual thickness at 25 years/10°C)

%

≥ 50% at 25 years/10°C

81.6

Cold bending at -30°C

N/A

No visible crack

No visible crack

Tensile strength

at yield

kN/m

≥ 8

XD 15.1Footnote (1)

elongation at break

%

≥ 25

XD 34.3

Anisotropy Ratio

 

≥ 0.5

1.0

Heat aging for 8 weeks

dimensional change

%

≤ 1

MD -0.8, XD -0.2

weight change

%

≤ –0.1

-0.1

residual compression strength

%

≥ 80 of initial

100.2

Resistance to alkaline environment

appearance

N/A

No visible crack

No visible crack

residual compression strength

%

≥ 80 of initial

100.4

bending resistance

N/A

No visible cracks

No visible crack

Geotextile fabric properties

grab tensile

N

≥ 500

MD 650, XD 713

puncture resistance

N

≥ 100

236

trapezoid tear resistance

N

≥ 180

MD 301, XD 320

filtration opening size by hydrodynamic sieving

µm

≤ 180; Report value

120

permittivity

s-1

≥ 0.5; Report value

1.5

UV resistance (retained strength)

% retained

> 50% after 500 hours

MD 78.2, XD 88.8

Hydraulic transmissivity (flow rate)

m3/h∙m

1.33

4.9

 

Geometrical Properties

Orientation of the dimples

-

Report value

Diagonal

Number of dimples per unit area

dimples/m2

Report value

1 554

Overall thickness

mm

Report value

8.67

Sheet thickness

mm

Report value

0.51

Hollow core thickness

mm

Report value

8.16

Anchorage performance anchorage efficiency

kN/anchor

Report value

1.13