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Influence of Corrosion

Loss of thickness due to corrosion of steel tube re [mm] (based on EN 14199)

Type of soil

Required lifetime of micropile [years]

5

25

50

75

100

Soils in natural deposition

0.00

0.30

0.60

0.90

1.20

Soils in natural deposition contaminated

0.15

0.75

1.50

2.25

3.00

Organic soils

0.20

1.00

1.75

2.50

3.25

Loose soils

0.18

0.70

1.20

1.70

2.20

Special soils (containing soluble salts)

0.50

2.00

3.25

4.50

5.75

Note: Values of the loss of thickness due to corrosion of steel tube re are interpolated for intermediate values of lifetime.

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