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Home > Forums > Geotechnical Engineers > Activities > Foundation engineering Forum

Question on primary consolidatoin settlement formula

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tpk72 (Civil/Environmental)

6 Sep 12 12:32

Excuse me if this is a daft question, I'm sleep deprived due to wonderful baby boy :)

Looking at the Primary Consolidation equation, (S=CcHc/(1+eo)* log....

Your primary settlement goes down with higher initial void ratios. This seems counter-intuitive to me. What am I missing?

Thanks!

fattdad (Geotechnical)

6 Sep 12 12:44

void ratio is also implied by the term "Cc." If you plot strain v. log P, you'd take-off Cec, which is the strain-based consolidation ratio.

f-d

¡papá gordo ain’t no madre flaca!

tpk72 (Civil/Environmental)

6 Sep 12 14:09

Thank you!

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