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Gravity Wall 

GEO5

Geotechnical software

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Adhesion of soil

When performing the analysis in the total stress state it is necessary not only to use the total shear strength parameters of soil φu , cu but also to know the adhesion a of soil to the structure face. The value of adhesion a is usually considered as a fraction of the soil cohesion c. The typical values of a for a given range of the cohesion c are listed in the following table.  

Common values of the adhesion of soil a

Soil Cohesion c [kPa] Adhesion a [kPa]
Soft and very soft cohesive soil 0 - 12 0 – 12
Cohesive soil with medium consistency 12 - 24 12 – 24
Stiff cohesive soil 24 - 48 24 - 36
Hard cohesive soil 48 - 96 36 – 46



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