Abstract
It has only been recently that computers were available to analyze the combined of structure and foundation, introducing more accuracy in structural analysis. Obviously, this technique involves the soil modeling as necessary. The model of the coefficient of subgrade reaction has been often used for this task. At last, the accuracy of the model depends on the agreement between predictions and soil behavior. The appropriate use of Winkler theory and the suitable determination of k are essential conditions for a good analysis. Unfortunately, manuals are not sufficiently concerned with this problem. The limits of this theory, some formulations for the determination of the k values and a few improvements of the model are described in this paper.
Highlights
It has only been recently that computers were available to analyze the combined of structure and foundation, introducing more accuracy in structural analysis
Manuals are not sufficiently concerned with this problem. The limits of this theory, some formulations for the determination of the k values and a few improvements of the model are described in this paper
Journal of Structural Engineering ASCE, Vol 1 10ni 5.mayo, 1984.pp
Summary
It has only been recently that computers were available to analyze the combined of structure and foundation, introducing more accuracy in structural analysis. Las particularidades del modelo dentro de este grupo general se estriban en que considera un valor nulo en superficie para el Módulo E, y se supone que el terreno es incompresible, ¡À =0,5, Se puede representar la variación lineal del módulo de Young en ñinción de la profiíndidad z como [14]. La problemática del planteamiento del método queda así de manifiesto: por una parte considera una relación elástica lineal entre tensiones y deformaciones, regida por un módulo de Young con un valor nulo en superficie y que varía linealmente en la profundidad, suponiendo además que el terreno es incompresible.
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