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Sumario Calculo de Esfuerzos de Estructuras Articuladas (Clase)
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Clase sobre el Calculo de Esfuerzos de Estructuras Articuladas. Teoria de Estructuras (2do año)
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Clases semana 4-8 de Mayo de 2020 (1)Cálculo de esfuerzos en estructuras
articuladas isostáticas
, Introducción
Métodos de resolución
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Método de los nudos: para calcular todos los esfuerzos y reacciones
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Método de las secciones (o de Ritter): cuando sólo se precisa conocer los
esfuerzos de algunas barras.
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Método gráfico (o de Cremona): equilibrio gráfico de vectores de fuerzas
aplicados en nudos.
Criterio de signos
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Se considerarán positivos los axiles de tracción y negativos los de compresión.
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A la hora de resolver los equilibrios en los nudos, se considerarán siempre axiles
positivos (de tracción)
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