11 - CARGAS DE CORTANTE2.pdf
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Transcript of 11 - CARGAS DE CORTANTE2.pdf
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RESISTENCIA DE MATERIALES I
Cargas Cortante
Juan Carlos Pantoja, Msc., Universidad de los Andes
Quito, 22 de Enero de 2016
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Deformaciones por cortante
𝜏 = lim∆𝐴→0
∆𝑉
∆𝐴
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Curva esfuerzo – deformación unitaria cortante
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Estado generalizado de esfuerzo
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Estado generalizado de deformaciones
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Estado generalizado de deformaciones
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Estado generalizado de deformaciones
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Análisis de esfuerzos – Flujo de corte
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Análisis de esfuerzos – Flujo de corte
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Análisis de esfuerzos – Flujo de corte
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Análisis de esfuerzos – Flujo de corte
𝑉𝑝
𝑥=𝑃
𝐼𝑄 = 𝑞
𝑄 = 𝑦𝑑𝐴 =𝐴𝑦
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Análisis de esfuerzos – Flujo de corte
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Ejemplo
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Ejemplo
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Análisis de esfuerzos – Formula de corte
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Análisis de esfuerzos – Formula de corte
𝜏𝑎𝑣 =𝑉𝑄
𝐼𝑡
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Análisis de esfuerzos – Distribución de esfuerzos
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Análisis de esfuerzos – Distribución de esfuerzos
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Ejemplo
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Elementos de pared delgada – centro de corte
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Elementos de pared delgada – centro de corte
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Elementos de pared delgada – centro de corte
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Ejemplo