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simulation single pile in the saturated soil Abaqus

 

in this example , we simulate single pile in the saturated soil

we use concrete piles with a square cross section 0.6*0.6 m2

The embedded length of the piles is L = 10 m in a thick homogeneous layer of saturated clay

As in any soil–pile system, interface elements that are capable of simulating the frictional interaction between the pile surface and the soil must be used

In the analysis, the pile is assumed to be in perfect contact with the soil at the start. The interaction between the pile and the soil is simulated using penalty-type interface elements between the pile and the soil with a friction factor of 0.3

 

The problem is run in two steps. In step 1 the effective self-weight of the clay layer is applied using the “body-force” option

In step 2 a coupled (consolidation) analysis is invoked and the pile load is applied using the vertical displacement boundary condition to force the top surface of the pile to move downward a distance of 20 cm

“the clay layer is assumed to be elastoplastic obeying the cap model “cap plasticity

 

Pore Water Pressure

 

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