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<mods:namePart>Magdaleno González, Álvaro</mods:namePart>
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<mods:namePart>García García, Ismael</mods:namePart>
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<mods:namePart>Gil Rodríguez, Jesús</mods:namePart>
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<mods:namePart>Universidad de Valladolid. Escuela de Ingenierías Industriales</mods:namePart>
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<mods:abstract>La optimización en el diseño de estructuras metálicas implica una utilización más eficiente de las uniones entre los elementos. Para aprovechar completamente sus características mecánicas resistentes es necesario un cálculo más preciso que el obtenido considerando las uniones completamente rígidas o articuladas.&#xd;
A lo largo de este Trabajo de Fin de Grado se calculará la rigidez secante y se obtendrá el diagrama de rigidez de las uniones pilar-dintel de varios pórticos planos traslacionales, construidos con distintos perfiles metálicos. Se estudiarán varias uniones con distintas rigideces para después obtener los esfuerzos, tensiones y desplazamientos que aparecen en los casos de estudio planteados.&#xd;
Con los resultados de cada caso se estudiará como afectan los cambios en la rigidez a la variación de los esfuerzos, tensiones y desplazamientos. Para facilitar la comprensión de los resultados, estos se presentarán en tablas y figuras comparativas.</mods:abstract>
<mods:abstract>The optimization in metallic structures design requires a more efficient performance to the joints between the components. To take advantage completely of its resistant properties is necessary a more precise estimation than the obtained with a fully rigid or articulated approach.&#xd;
Along this Final Degree Project the secant stiffness and the stiffness diagram will be obtained for the joints between pillar and beam in some translational flat frames, built up with different metallic frames. Several joints with different stiffness will be analyzed to obtain forces, stresses and displacements that appear in the cases raised.&#xd;
After the result of each case is obtained, the changes in forces, stresses and displacements will be compared with the changes in the stiffness. With the aim of ease the understanding of the results, they will be shown in comparative tables and figures.</mods:abstract>
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<mods:title>Dimensionado de un pórtico considerando  el efecto de las uniones semirrígidas</mods:title>
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