Consolidation settlement of a multi-layer soil with strip loading Abaqus
This example been chosen from Example 4.8 Sam Helwany book
In this example, we intend to simulate the consolidation settlement of a multi-layer soil with strip loading in the Abaqus software
The soil is composed of 7 layers , the top layer is sand and the lower layers are clay.The thickness of each layer is 1 meter
The soil is composed of 7 layers and properties of each layer are quite different with another layer
The soil is exposed to a strip loading of 100 Kilo Pascal
In this example , Cam Clay model has been utilized in order to define the properties of clay plasticity
The problem is done in 3 steps , in the step1 that is Geostatic step , the effective weight of soil will be applied using the Body Force
In the step 2 one strip loading of 100 kilo Pascal will be applied to the soil
The step 3 is a consolidation step
If the situ vertical effective stress in the center of the clay layer is less than the pre-consolidation pressure , we conclude that the clay layer is Over-consolidated or the same OC
The clay layer is divided into six equal sublayers. The Cam clay model parameters for each clay sublayer are given in Table 4.6
In this problem, geostatic stresses are defined for each layer
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