Large Deformation Analysis of Pile Foundation Using Meshless Method

Abstract eng:
Considering on transmogrification of pile foundation under load, the basis function equations of the element-free Galerkin method were built, and a meshless method based on large deformation was discussed. Following this theory, a nonlinear program is made as well. In order to verify the theory and the program, a pile foundation loading test of Maocaojie Bridge in Hunan Province is chosen to validate calculation data. The result shows that the calculation results fit close to survey data on-the-spot. It illuminates that the method presented in this paper can be applied in numerical simulations on the consideration of large deformation rationally and effectively. Moreover, it also indicates that due to the strength of surrounding soil, the horizontal carrying capacity of pile will be varied widely.

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