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Consolidation Parameters: SOFT CLAY
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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SOFT CLAY | 0.015 | 0.005 | 0.8 | 0.3 | 0.5 | 0.2 | 0.1 | 0.05 | 0.001 | OCR=1.0 to 1.5; normally to lightly overconsolidated; Su/p0' typically 0.2-0.25 | Das 2021 Principles Geotechnical Eng 9th Ed; Terzaghi Peck Mesri 1996; Coduto 1999 | 2 | 0.8 |
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