cálculo de momento-curvatura

TRABE EJE 2

PROPIEDADES DE LOS MATERIALES

fy= 4200 kg/cm2fp= 33 kg/cm2

f´c= 280 kg/cm2Es= 2000000 kg/cm2

F*c= 224 kg/cm2

Ec= 234265 kg/cm2

f''c= 190.4 kg/cm2

PRPIEDADES GEOMETRICAS A's= 15.00 cm²

SECC_1 r'= 0.0059

b (cm)= 30

h (cm)= 90

r (cm)= 5

r' (cm)= 5

d (cm)= 85 As= 15.21 cm²

r= 0.0060

CALCULO DE MOMENTO AGRIETADO

n= 8.54 AT = 2927.70

y= 121500 565.3010407 9744.65934 = 45.02

2928

I= 1822501 + 183231 + 181092 = 2186824

Magrietado= 16.27 ton-m fagrietado= 3.18E-06 rad/cm

CALCULO DE MOMENTO DE FLUENCIA

K= 0.242 es= 0.00210

Kd= 20.599 ec= 0.000672

e's= 0.000509

f's= 1017 fc= 157

Cc= 48622

Cs= 15260

63882

y= 6.42

jd= 78.58

My= 50.20 fy= 3.26E-05 rad/cm

CALCULO DE MOMENTO ULTIMO

Doblemente armada

a= 0.15 ec= 0.004

b 0.85 0.89 e's= -0.10610

c= 0.18 ey= 0.00210

No fluye fluye

a b c

5712 a² 56118 a -510000 c= 0.18 6000

Mu= 51.15

a1= -15.562 fu= 0.02202

a2= 5.74

a= 5.74

Cc= 32772 fu= 0.0006

Cs= 23332 Mu= 51.80

c= 6.750

e's= 0.00104

f's= 2074

fu= 0.0006

Mu= 51.80

Simplemente armada

p= 0.0060

q= 0.1316

a 11.18

c 13.16

fu= 0.0003

Mu= 50.73

MOMENTO ULTIMO

fu= 0.0006

Mu= 51.80

M0= 0 0

Magrietado= 16.27 fagrietado= 0.000318 a1= 51230

0

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0 0.01 0.02 0.03 0.04 0.05 0.06 0.07

MOMENTO vs CURVATURA

My= 50.20 fy= 0.003261 a2= 11527

Mu= 51.80 fu= 0.059260 a3= 29

a= 0.0025

M= 18.17

0.07