One of the most critical problems in 3D FEM modeling process of piled raft foundations with SEM was an increase in the number of elements when the number of piles increases and that leads to model's slowness and convergence problem. Results showed that all three methods have excellent compatibility with the results of loading test in the linear area of the load-settlement curve, and SEM and EPM kept their conformity further in the non-linear area as well. In this article, different pile modeling techniques in MIDAS GTS software (like pile modeling by solid elements, modeling by beam elements connected to soil elements and modeling by EPM ) are compared with a real pile loading test data. Among available 3D FEM software for modelling pield raft foundations, in this paper MIDAS GTS is used due to its various element type and modeling abilities. These models can consider the complex interaction between soil and structure. ![]() ![]() ![]() ![]() 3-dimensional finite element method as a general method to solve complex problems is one of the most powerful numerical methods which can be used for piled raft foundation analysis.
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