Ground engineering · Consolidation & preloading

1D consolidation: multi-layer finite difference calculator

Layered clay with different cv and mv, drained at the top, bottom or both. Solves the consolidation equation numerically and plots isochrones and settlement against time.

Standard: Terzaghi 1D · explicit finite difference · layered cv & mv

Open the live calculator → All ground engineering calculators

Inputs in the worked example

The live calculator starts with these values; change any of them and every result, check and diagram updates instantly.

InputValueUnit
Layers (top down): H (m), cv (m²/yr), mv (1/MPa)3, 1.5, 0.6 4, 0.8, 0.9 3, 3.0, 0.3
Load increment Δσ80kPa
Top boundaryDrained
Bottom boundaryDrained
Times (years)0.1, 0.5, 1, 2, 5, 10

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For preliminary design and education. Check every result against the current standard and your own engineering judgement before use.