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Analysis for Cohesionless Soils

For cohesionless soils the stress exponent is not equal to zero. For layered subsoil the resulting settlement equals to the sum of partial settlements of individual layers:

where:

σor,i

-

vertical component of geostatic stress in the middle of ith layer

σz,i

-

vertical component of incremental stress (e.g. stress due to structure surcharge) inducing layer compression

ji

-

stress exponent in the ith layer

mi

-

Janbu modulus in the ith layer

hi

-

thickness of the ith layer

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