پکیج آموزش پیشرفته آباکوس
پکیج جامع آباکوس ویژه رشته مکانیک
پکیج جامع آباکوس ژئوتکنیک و عمران
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Calculation of the load capacity of a single pile Abaqus

This example been chosen from Example 8.4 Sam Helwany book

In this example , we calculate the long-term load capacity of a pipe pile with diameter D = 0.6 m and embedded length L = 16 m in a thick homogeneous clay layer as shown in Figure

The pile in this example is cylindrical in shape and loaded in the axial direction only therefore, the finite element mesh of the pile and the surrounding soil can take advantage of this axisymmetric condition

The two-dimensional axisymmetric model

The interaction between the pile and the soil is simulated using a penalty-type interface between the pile and the soil with a friction factor of 0.385

This question will be modeled based on drained condition. The drained condition will indicate low loading rate . Also during the analysis , the pore water pressure will be zero

The clay layer is assumed to be elastoplastic, obeying the cap model with cap hardening properties

Also must be defined the initial void ratio and Geostatic stress for saturated clay

pile load capacity of 530 kN predicted by Sam Helwany book
pile load capacity of 510 kN predicted by Abaqus
Comparison between Abaqus results and Sam Helwany book results

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