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Ejercicio de viga simplemente apoyada
Ejercicio de viga simplemente apoyada
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Oct 21, 2014
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Ejercicio de viga simplemente apoyada
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259.98 KB
Language:
es
Added:
Oct 21, 2014
Slides:
2 pages
Slide Content
Slide 1
EJERCICIO PARA DESARROLLAR
Trace los diagramas de fuerza cortante y de momento flexionante para la viga
Realizamos de acuerdo lo establecido
Calculamos las Reacciones
∑ Fx = 0
Rax = 0
∑ Fy = 0
Ray + Rby - 5000 = 0
Ray + Rby = 5000
∑ Mo-a = 0
- 5000(10) – 150 + Rby(20) = 0
Rby = 2500 lb
Entonces:
Ray = 2500
Sección 1 – 1 0 ≤ x ≤ 20
Slide 2
Sección Corte
Hacemos la sumatorias de fuerzas
∑ Fx = 0
N = 0
∑ Fy = 0
2500 – 250X – V = 0
V = 250(10 – X)
∑ Mo-a = 0
- 2500X + 250X(
??????
2
) + 150 + M = 0
M = 2500X -125X
2
– 150
M = 25(100X - 5X
2
– 6)
Sección 1 – 1
N = 0 N = 0
V = 2500 V = - 2500
M = -150 V = -150
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