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Abstract
A numerical approach for the analysis of wall-beam systems in the elastic stage is proposed. The determination of the mutual stresses between the two substructures and of the flexibility of the whole system is carried out by dividing the beam into finite elements and utilizing the boundary element method for the wall. The model proposed, which can be applied to the analysis of other composite structures, is more advantageous than the one usually utilized in literature, in which the wall is also divided into two-dimensional finite elements, because a considerable reduction of the unknown quantities, with consequent saving of computation time, is obtained. Moreover, the separation, if any, between the wall and the foundation beam, due to small or zero value of the ultimate strength in tension along the wall-beam interface, is more easily taken into account. The comparison between the results obtained by the model proposed here and the one which utilizes exclusively FEM, and the satisfactory agreement with the experimental results deduced by another author, confirm the validity of the procedure adopted.
Published Version
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