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Two-Dimensional Consolidation a fully saturated soil layer Abaqus

This example been chosen from Example 4.6 Sam Helwany book

In this example , we simulate Two-Dimensional Consolidation a fully saturated soil layer with infinite horizontal extension in the x-direction and a finite height of 50 mm is subjected to a 50-mm-wide strip load of 3.45 MPa as shown in this picture 

The soil is linear elastic with E = 690 GPa, Poisson ratio of 0, and k = 5.08e-7 m/day. The pore fluid has a specific weight of 272.9 kN/m3

The problem is run in six steps. In the first step, the load is applied with a magnitude of 3.45 MPa and no drainage is allowed across the top surface of the soil and then the actual consolidation is done with five time steps, The durations of the five steps are 0.00001, 0.0001, 0.001, 0.01, and 0.1 day

The geometry of the problem conforms to the plane strain condition since the soil layer and the applied strip load are extended infinitely in the y-direction

You can see the vertical settlement of the central point under the strip load in this picture

Consolidation settlement from Sam Helwany book
Consolidation settlement from Abaqus software
Comparison between Abaqus results and Sam Helwany book results


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