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E.T.S. DE ARQUITECTURA / ESTRUCTURAS I / PLAN 98
EXAMEN DE DICIEMBRE DE 2003 3/DIC/2003
EJERCICIO 1 (2 puntos)
Dibujar a estima los diagramas de esfuerzos y las deformadas de las siguientes vigas.
Tiempo: 40 minutos
E.T.S. DE ARQUITECTURA / ESTRUCTURAS I / PLAN 98
EXAMEN DE DICIEMBRE DE 2003 3/DIC/2003
EJERCICIO 2 (2.5 puntos)
Calcular el desplazamiento del punto A.
Datos (para todas las barras):
EI = 104 kN m2
EA = 2x104 kN
ðt = 10-5 °C-1
EJERCICIO 3 (2.5 puntos)
En la viga de la figura, calcular el máximo valor de M que se puede aplicar.
σadm = 30 MPa
ðadm = 10 MPa
Tiempo: 1 hora 10 minutos
E.T.S. DE ARQUITECTURA / ESTRUCTURAS I / PLAN 98
EXAMEN DE DICIEMBRE DE 2003 3/DIC/2003
EJERCICIO 4 (3 puntos)
En el pórtico de la figura, la carga sobre el pilar DC actúa centrada, pero sobre el pilar AB la viga apoya con una excentricidad de 10 cm. En el plano perpendicular al del pórtico los nudos inferiores son empotramientos y los superiores son articulaciones. Se pide:
Orientar adecuadamente y dimensionar los pilares AB y CD con perfil HEB
La viga BD es un IPN 260. Realizar las comprobaciones de inestabilidad que sean de aplicación.
Acero A42b
Coeficiente de ponderación de acciones 1.5
B
Tiempo: 1 hora 15 minutos
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Enviado por: Javier Lopez Ruiz Idioma: castellanoPaís: España