resistencia
DESCRIPTION
ejercicio de resistencia por el metodo del deformaciones angularesTRANSCRIPT
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SoluciΓ³n
1. GRADO DE LIBERTAD: 1Β° Grado de libertad
2. Giros
π΄π¨π© = ππ¬ (π°
π³) [ππ½π¨ + π½π© β
πβ
π³] + π΄π¨π©
π¬
π΄π¨π© = ππ¬ (π°
π) [π + π½π© β π] β π. ππ
π΄π¨π© = π¬ (π°
π) [π½π©] β π. ππ β¦ β¦ β¦ (π)
π΄π©π¨ = ππ¬ (π°
π) [ππ½π© + π½π¨ β
πβ
π³] + π΄π©π¨
π¬
π΄π©π¨ = π¬(π°)[π½π©] + π. ππ β¦ β¦ β¦ β¦ (π)
π΄π©πͺ = ππ¬ (ππ°
π) [ππ½π© + π½πͺ β
πβ
π³] + π΄π©πͺ
π¬
π΄π©πͺ = ππ¬(π°)[π½π©] β ππ β¦ β¦ β¦ β¦ (π)
π΄πͺπ© = ππ¬ (ππ°
π) [ππ½πͺ + π½π© β
πβ
π³] + π΄πͺπ©
π¬
π΄πͺπ© = (π¬π°)[π½π©] + ππ β¦ β¦ β¦ β¦ (π)
NUDO B
π½π©π¨ + π½π©πͺ = π
(π¬π°)[π½π©] + π. ππ + ππ¬(π°)[π½π©] β ππ = π
ππ¬(π°)[π½π©] β π. ππ = π
π¬π°[π½π©] = π. πππ
REEMPLAZANDO EN CADA TRAMO
π΄π¨π© = π¬ (π°
π) [π. πππ] β π. ππ
π΄π¨π© = βπ. πππ
π΄π©π¨ = π¬(π°)[π. πππ] + π. ππ
π΄π©π¨ = π. πππ
4
20
4 3 3
3EI EI
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π΄π©πͺ = ππ¬(π°)[π. πππ] β ππ
π΄π©πͺ = βπ. πππ
π΄πͺπ© = (π¬π°)[π. πππ] + ππ
π΄πͺπ© = ππ. πππ
MOMENTO DE EMPOTRAMIENTO TABLA CROSS
TRAMO AB PARA CARGA DISTRBUIDA
π΄π¨π©π¬ = β
πΈπ³π
πππ³
π΄π¨π©π¬ = β
π β ππ
ππ= βπ. ππ
π΄π©π¨π¬ =
πΈπ³π
πππ³
π΄π¨π©π¬ =
π β ππ
ππ= π. ππ
TRAMO BC PARA CARGA PUNTUAL EN EL CENTRO
π΄π©πͺπ¬ = β
π·π³
π
π΄π©πͺπ¬ = β
ππ β π
π= βππ
π΄πͺπ©π¬ =
π·π³
π
π΄πͺπ©π¬ =
ππ β π
π= ππ
Datos:
π΄π¨π© = βπ. πππ
π΄π©π¨ = π. πππ
π΄π©πͺ = βπ. πππ
π΄πͺπ© = ππ. πππ
3. CALCULO DE CORTANTES
3.718 4 8.533
4
4
VAB VBA
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β ππ = π = π½π¨π© + π½π©π¨ = ππ
β π΄π = π = π½π©π β π + π. πππ + π. πππ β ππ β π
π½π©π¨ = π. πππ
π½π¨π© = ππ. πππ
20
β ππ = π = π½π©πͺ + π½πͺπ© = ππ
β π΄π = π = π½πͺπ© β π + π. πππ + ππ. πππ β ππ β π
π½πͺπ© = π. πππ
π½π©πͺ = ππ. πππ
3 3
8.554
4
18.223
VBC VCB
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UNIVERSIDAD PERUANA UNIΓN
FACULTAD DE INGENIERIA Y ARQUITECTURA EAP IngenierΓa de Civil
TRABAJO
Ejercicio con el mΓ©todo de deformaciΓ³n angular
Autor:
Carlos David Flores Rojas
Profesor:
Ing. Roberto Yoctun
Lima, diciembre del 2015