Ultimate Consolidation Settlement of the NC Clay Layer using Cam Clay Plasticity in the Abaqus
This example been chosen from Example 4.3 Sam Helwany book
In this example we intend to simulate the ultimate consolidation settlement of NC Clay layer using CamClay Plasticity in the Abaqus software. The soil is composed of two layers , the top layer is sand with the height of 6 Meters and the below layer is Clay that is 1 Meter high
If the Situ Vertical Effective Stress in the center of the clay layer is equal to the pre-consolidation pressure , we conclude that the clay layer is Normally consolidated or the same NC
The problem is done in 8 steps , in the Step1 that is Geostatic step , the effective weight of soil will be applied using the Body Force
In the step 2 , a compressive load with quantity of 100 Kilo Pascal will be applied Suddenly to the top surface of the soil
The consolidation process will be done in 6 consecutive steps , and their Time Periods are 1 , 10 , 100 , 1000 , 10000 and 100000 seconds respectively
The clay layer is assumed to be elastoplastic obeying the extended Cam clay model
We intend to calculate the ultimate consolidation settlement of the clay layer, in fact we draw ultimate consolidation settlement diagram in Abaqus
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