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Consolidation Parameters: ORGANIC SILT
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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ORGANIC SILT | 0.04 | 0.015 | 1.2 | 0.3 | 0.6 | 0.25 | 0.12 | 0.03 | 0.001 | OCR~1.0 to 1.5; secondary settlements often 20-40% of primary for organic silts | Mesri & Godlewski 1977; Das 2021; Holtz & Kovacs 1981 | 3 | 1 |
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