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GEO5

Geotechnical software

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Analysis using the compression constant

Equation to compute compression of an ith soil layer below foundation having a thickness h arises from the definition of compression constant C:

where: σor,i - vertical component of original 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
hi - thickness of the ith layer
Ci - compression constant in the ith layer

The program allows for inputting either the compression constant Ci or the compression constant C10 (the program itself carries out the transformation).


Literature:

Arnold Verruijt: Soil mechanics, Delft University of Technology, 2001, 2006, http://geo.verruijt.net/




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