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espanolEl uso de modelos numericos viene siendo cada vez mas difundido y utilizado por investigadores y profesionales en el campo geotecnico. Las herramientas numericas cuentan con precision y velocidad en los analisis de alta complejidad. Los modelos numericos mas comunes se basan en el metodo de los elementos de contorno, de las diferencias finitas y de los elementos finitos. Siendo imprescindible para la validacion del modelo numerico, la realizacion de pruebas de comparacion con resultados de la literatura, pruebas de convergencia y calibracion con parametros experimentales. El modelado numerico por elementos finitos es una herramienta que permite simular las condiciones reales, desde que sean respetadas las etapas para la implementacion del modelo numerico. EnglishApplying numerical modeling to geotechnical engineering problems has become a powerful tool to interpret the behavior of foundations and earthworks. However, not all numerical analyses follow the requirements for the model to be representative of the experimental condition. This work describes the steps required during modeling to determine the appropriate dimensions of the half-space and the respective boundary conditions, as well as the tests appropriate to perform this determination. On the other hand, the results of comparisons between the numerical and the experimental model for a piled raft are shown.

3D Numerical Modeling applied to analysis of piled foundations