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Diseño de Cimentaciones
Profundas
Equipo: No. 3
González Orihuela Neftalí
Haros López Chayane E.
Lázaro Arzola Arturo
Reyes Morales Miguel A.
Torres Rivera Orlando E.
Ing. Civil Matutino
8th Semestre
Cimentaciones
Ing. Daniel Escalante
Mayo 2, 2013
Cálculo de Zapata-cabezal
• La disposición de los 5 pilotes bajo la Zapata-cabezal
será la que se muestre en la figura inferior. Por lo que
las dimensiones del cabezal serán de 3.4 x 3.4 m. La
columna que rodea el pilote central es de 0.5*0.5m. El
cabezal tendrá un recubrimiento de 5cm.
• Las secciones críticas por momento en la zapata-
cabezal están localizadas en secciones verticales que
pasan por las caras de la columna. Si se le asigna Mx al
momento de las reacciones de los pilotes con respecto a
la cara mayor de la columna, My al momento con
respecto a la cara menor, se tendrá que:
Cálculo de Zapata-cabezal
Momentos
◦ Debido a que la colocación de los pilotes en
el cabezal es simétrica las excentricidades en
X y Y serán iguales.
◦ Para obtener la separación entre pilotes
intermedios se multiplico 3.5d.
Calculo de peralte
d=0.85 m
5.3.2 Calcular cortante acción viga
• Requisito de resistencia al corte: Vu<ϕVc
• Carga factorizada: (230) (1.2) + (50) (1.6) = 356 Ton
Como: Vu<ϕVc pasa cortante como viga
Calcular cortante doble acción
• Requisito de resistencia al corte: Vu<ϕVc
Como: Vu<ϕVc pasa cortante en dos direcciones
Corte por penetración:
Calculo de momento último:
Colocación de Acero

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Exposicion 5.2 y 5.3

  • 1. Diseño de Cimentaciones Profundas Equipo: No. 3 González Orihuela Neftalí Haros López Chayane E. Lázaro Arzola Arturo Reyes Morales Miguel A. Torres Rivera Orlando E. Ing. Civil Matutino 8th Semestre Cimentaciones Ing. Daniel Escalante Mayo 2, 2013
  • 2. Cálculo de Zapata-cabezal • La disposición de los 5 pilotes bajo la Zapata-cabezal será la que se muestre en la figura inferior. Por lo que las dimensiones del cabezal serán de 3.4 x 3.4 m. La columna que rodea el pilote central es de 0.5*0.5m. El cabezal tendrá un recubrimiento de 5cm. • Las secciones críticas por momento en la zapata- cabezal están localizadas en secciones verticales que pasan por las caras de la columna. Si se le asigna Mx al momento de las reacciones de los pilotes con respecto a la cara mayor de la columna, My al momento con respecto a la cara menor, se tendrá que:
  • 4. Momentos ◦ Debido a que la colocación de los pilotes en el cabezal es simétrica las excentricidades en X y Y serán iguales. ◦ Para obtener la separación entre pilotes intermedios se multiplico 3.5d.
  • 6. 5.3.2 Calcular cortante acción viga • Requisito de resistencia al corte: Vu<ϕVc • Carga factorizada: (230) (1.2) + (50) (1.6) = 356 Ton Como: Vu<ϕVc pasa cortante como viga
  • 7. Calcular cortante doble acción • Requisito de resistencia al corte: Vu<ϕVc Como: Vu<ϕVc pasa cortante en dos direcciones