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Analysis Using the Compression Index

Equation for settlement when employing the compression index Cc of the ith layer arises from the formula:

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

e0

-

initial void ratio

hi

-

thickness of the ith layer

Cc,i

-

compression index in the ith layer

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