Preconsolidation Pressure Calculator (Casagrande)

Determine the preconsolidation pressure σ'pc of cohesive soil from oedometer test data using Casagrande's graphical construction method

Each component has a specific meaning:

• Oedometer test data — The oedometer test data recorded for the patient or scenario being assessed.

Note: Interpret the preconsolidation pressure result against the clinical thresholds and context described above.

Enter the oedometer test data for the patient or scenario you are assessing. Determine the preconsolidation pressure σ'pc of cohesive soil from oedometer test data using Casagrande's graphical construction method. Use the preconsolidation pressure result to inform your clinical assessment.