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CSN 73 1004

The following formula is used in Czech standard CSN 73 1004 to calculate critical force Ncr of micropile in elastic subsoil:

where:

Ea*Ia

-

bending stiffness of micropile steel section

Ecm

-

elastic modulus of concrete

Ic

-

moment of inertia of concrete section

γc

-

reduction factor for concrete

Ez

-

elastic modulus of subsoil (horizontal direction)

Literature:

CSN 73 1004 (July 2020)

Pruebe GEO5. Gratis.