Zapatas Aislada.pdf

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CÁLCULO DE ZAPATA DE ESQUINA: DATOS:

COLUMNA

f´c Fy PD PL Ps %Ps Pu Gt b t

AREA DE ZAPATA: A B C Resultado: x Asumido: B T

= = = = = 0.10 = = = =

= = = = = =

AREA ZAP. COR.

=

REACCION NETA:

=

PERALTE FINAL:

d =

175.00 4,200.00 36,000.00 5,800.00 41,800.00 4,180.00 64,440.00 1.60 25.00 50.00

kg/cm2 kg/cm2 kg kg kg kg KG kg/cm2 cm cm

28,737.50 cm2 1.00 x2 75.00 x -27,487.50 132.48 135.00 160.00 185.00 29,600.00 cm2 2.96 m 2.18 45.00

B

160.00

PERALTE "d" ASUMIDO:

CHEQUEO AL CORTE POR PUNZ Area Punzonada (Ao): Perímetro Punzonado (Po): Corte Actuante (Vo): Esfuerzo Cortante Act. (Vc): Esfuero Permisible (Vuc):

cm

CHEQUEO AL CORTE POR FLEX CÁLCULO DE ACERO CORTO: Momento Muc: a = 0.50 a = % Fy = Para Ecuación: A(As2) + B(As) + C = 0 A = B = C = Area de Acero Corto: Acero Mínimo:

3,670,059.38 0.15 0.08 3,780.00

kg-cm As As kg-cm2

288.46 As2 170,100.00 As 3,670,059.38

a = 0.50 a = % Fy = Para Ecuación: A(As2) + B(As) + C = 0 A = B = C = Area de Acero Largo: Acero Mínimo:

CHEQUEO POR LONGITUD DE D

Tomar el mayor valor de:

22.43 cm2 14.99 cm2

CALCULO DE ACERO LARGO: Momento Mul:

Esfuerzo Actuante (Vc) Esfuerzo Permisible (Vuc):

Area de Acero Corto Optado: 3,174,105.41 0.18 0.09 3,780.00

kg-cm As As kg-cm2

333.53 170,100.00 3,174,105.41 19.40 12.96

As2 As cm2 cm2

Area de Acero Largo Optado:

Acero D 3/8" 1/2" 5/8" 3/4"

T 185.00

t

b

25.00

m

135.00

m 135.00

50.00

PERALTE "d" ASUMIDO:

d

=

45.00 cm

CHEQUEO AL CORTE POR PUNZONAMIENTO: Area Punzonada (Ao): Perímetro Punzonado (Po): Corte Actuante (Vo):

a d/2

26,156.25 cm2 117.50 56,942.86 kg

Esfuerzo Cortante Act. (Vc): Esfuero Permisible (Vuc):

Debe ser: menor mayor

10.77 kg/cm2 12.37 kg/cm2

CHEQUEO AL CORTE POR FLEXIÓN: Esfuerzo Actuante (Vc) Esfuerzo Permisible (Vuc):

a "d" Debe ser: menor mayor

4.35 kg/cm2 12.37 kg/cm2

CHEQUEO POR LONGITUD DE DESARROLLO (Ld): db

=

1.59 cm

38.11 cm 28.52 cm 20.00 cm

Tomar el mayor valor de:

Area de Acero Corto Optado:

22.43 cm2

Area de Acero Largo Optado:

19.40 cm2

Area cm2 0.71 1.27 1.98 2.85

Acero Largo N° Barras 27.21 15.27 9.80 6.81

S 5.88 10.48 16.33 23.51

Acero Corto N° Barras 31.46 17.66 11.33 7.87

S 6.80 12.11 18.88 27.18

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