Soil consolidation time factor calculator

Calculate dimensionless consolidation time factor Tv with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use dimensionless consolidation time factor Tv to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Coefficient of consolidation (m²/day)
0.005
Elapsed time (days)
100
Drainage path length (m)
2.5
Dimensionless consolidation time factor Tv
0.08

Try another scenario

Coefficient of consolidation (m²/day)
1.005
Elapsed time (days)
100
Drainage path length (m)
2.5
Dimensionless consolidation time factor Tv
16.08
Calculation method

Calculation method

Dimensionless consolidation time factor Tv

Tv=cv×time/drainage-path-length²; drainage path is supplied, not inferred from layer thickness.

Symbols and units
a
Coefficient of consolidation (m²/day)
b
Elapsed time (days)
c
Drainage path length (m)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • User-supplied measurements and assumptions; Tv=cv×time/drainage-path-length²; drainage path is supplied, not inferred from layer thickness. Supported limits: Finite numeric values bounded to 1e9 magnitude; lists and tables contain 1–100 records unless a stricter bound is stated. Inputs use the units shown. Lists explicitly paired by a method must have matching lengths; independent polynomial coefficient vectors may differ. Respect stated physical, interpolation, policy and computational domain limits.
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Further reading

Method reference ↗

Background reading; this does not imply endorsement or independent review of SumFizz.

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