Geotech Engineering

Consolidation Settlement of Normally Consolidated Clay Layer Calculator

Calculate consolidation settlement of normally consolidated clay layer calculator given relevant engineering parameters.

Quick Answer

Calculate Consolidation Settlement of Normally Consolidated Clay Layer

Calculator

Consolidation Settlement (m)
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Result Interpretation

Consolidation Settlement of Normally Consolidated Clay Layer Calculator computes Consolidation Settlement in m using the defined engineering formula and the input values provided.

Worked Example

Verified calculation

Given:

  • Initial Thickness of Clay Layer = 5
  • Vertical Stress Increase = 50
  • Initial Vertical Effective Stress = 100
  • Compression Index over 1+e₀ = 0.25

Expected Result:

  • Consolidation Settlement = 0.2201140738196

Engineering Interpretation:

Under the given input conditions, the calculated result is: Consolidation Settlement = 0.2201140738196 m.

The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.

Formula / Method

consolidation settlement = compression index over 1+e₀ * initial thickness of clay layer * log((initial vertical effective stress + vertical stress increase) / initial vertical effective stress) / log(10)

Formula family: formula_geotech_consolidation_settlement_of_normally_consolidated_clay_layer_calculator

Variables

SymbolLabelRoleDescription
Cc_over_1plus_e0 Compression Index over 1+e₀ INPUT Compression Index over 1+e₀
H0 Initial Thickness of Clay Layer INPUT Initial Thickness of Clay Layer
sigma_v0_prime Initial Vertical Effective Stress INPUT Initial Vertical Effective Stress
delta_sigma_v Vertical Stress Increase INPUT Vertical Stress Increase
Consolidation Settlement Consolidation Settlement OUTPUT Consolidation Settlement

Calculation Steps

  1. Enter the compression index over 1+e₀ in dimensionless.
  2. Enter the initial thickness of clay layer in m.
  3. Enter the initial vertical effective stress in kPa.
  4. Enter the vertical stress increase in kPa.
  5. Step 1: Compute consolidation settlement.
  6. Read the consolidation settlement (m) from the results.

Engineering Summary

Calculate Consolidation Settlement of Normally Consolidated Clay Layer

Frequently Asked Questions

What does this calculator calculate?

The Consolidation Settlement of Normally Consolidated Clay Layer Calculator estimates Consolidation Settlement based on the input parameters you provide

Why is compression index over 1+e₀ important in this calculation?

compression index over 1+e₀ is directly proportional to consolidation settlement. When you enter compression index over 1+e₀ in dimensionless, the calculator uses it in the engineering formula to compute the output

How should I interpret the result consolidation settlement?

The calculator outputs consolidation settlement in m. The result is computed directly from the input values using the defined engineering formula

What units should I use for the inputs?

Enter each value in the units shown next to the input field: Compression Index over 1+e₀ (dimensionless), Initial Thickness of Clay Layer (m), Initial Vertical Effective Stress (kPa), Vertical Stress Increase (kPa). Make sure all inputs use the specified units for consistent results

What assumptions does this calculator use?

This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment

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