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Settlement Analysis

One of the following methods is available to compute settlement:

The program offers two options to constrain the depth of the influence zone:

The theory of elasticity (Boussinesq theory) is employed to determine stress in a soil state in all methods available for the settlement analysis.

General theories of settlement serve as bases in all the above methods.

When computing settlement below the footing bottom the programs first calculate the stress in the footing bottom and then determine the overall settlement and rotation of foundation.

The general approach in all theories draws on subdividing the subsoil into layers of different thickness based on the depth below the footing bottom or ground surface. Vertical deformation of each layer is then computed - the overall settlement is then defined as a sum of partial settlements of individual layers within the influence zone (deformations below the influence zone are either zero or neglected):

where:

s

-

settlement

si

-

settlement of the ith layer

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