RESUMO -Foi utilizado no estudo uma estaca vertical de concreto armado, submetida a carga horizontal e momento, parcialmente enterrada em um solo argiloso. O modelo de cálculo foi gerado no programa SAP2000, sendo a estaca modelada como elemento de viga e o solo representado por molas linearmente elásticas espaçadas a cada metro, baseado no modelo de Winkler. Os coeficientes de mola (K i ) foram calculados pela equação proposta por Vesic, que correlaciona o coeficiente de reação com as propriedades elásticas do solo. Os resultados do SAP2000 mostraram que a estaca apresentou o comportamento de estacas flexíveis, no qual tem os seus deslocamentos ocasionados devidos a flexão. A região que mostra o comportamento relevante da estaca está de acordo com as conclusões feitas por outros autores. Os máximos deslocamentos horizontais e momentos fletores encontrados no SAP2000 ficaram próximos dos valores obtidos pelo método clássico da equação diferencial.SYNOPSIS -In the study was used a vertical reinforced concrete pile, subjected to horizontal load and moment, partially buried in a cohesive soil. The calculation model was generated in the software SAP2000. The pile was modeled as beam element and the soil represented by linearly elastic springs spaced one meter apart, based on the Winkler model. The spring coefficients (K i ) were calculated from the equation proposed by Vesic, which correlates the reaction coefficient with the elastic properties of the soil. The results of SAP2000 calculations show that the pile used in the analysis presented flexural behavior, with their displacements caused due to bending. The region that shows the relevant behavior of the pile agrees with the the findings of other authors. The maximum horizontal displacements and bending moments found with SAP2000 were close to the values obtained by the classical differential equation method.
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