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Micropile Lifetime

The micropile lifetime is introduced by reducing the area of the reinforcing pipe or rod using the loss of thickness due to corrosion of the steel section re and coefficient Fut taking into account the connection of the micropile and the surrounding soil.

where:

D

-

external diameter of reinforcement (pipe or rod)

t

-

wall thickness of reinforcing pipe

Fut

-

coefficient taking into account the connection of micropile and surrounding soil (0,5 -1,0)

re

-

loss of thickness due to corrosion of steel tube

Literature:

BS EN 14199:2005 Execution of special geotechnical works. Micropiles British-Adopted European Standard / 30-Mar-2005 / 52 pages ISBN: 0580457249.

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