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Consolidation Parameters: LOESS
Typical consolidation parameters (Cc, Cr, Cv, Ca) by soil type for settlement analysis — compression index, recompression index, coefficient of consolidation, and secondary compression coefficient
| soil description | ca cc ratio max (dimensionless) | ca cc ratio min (dimensionless) | cc max (dimensionless) | cc min (dimensionless) | cc typical (dimensionless) | cr cc ratio max (dimensionless) | cr cc ratio min (dimensionless) | cv ft2 day max (ft^2/day) | cv ft2 day min (ft^2/day) | ocr guidance | standard | void ratio max (dimensionless) | void ratio min (dimensionless) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LOESS | 0.008 | 0.002 | 0.3 | 0.05 | 0.15 | 0.15 | 0.08 | 2 | 0.1 | OCR=2 to 6; collapse potential when wetted at low overburden; collapsible if double oedometer Cc(wet) > Cc(dry) | Das 2021; Holtz & Kovacs 1981; Rogers 1995 | 1.2 | 0.5 |
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