00cap 10 Curvatura, Radio de Curvatura, Circulo de Curvatura
Cálculo de Momento-Curvatura
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Transcript of 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
10
20
30
40
50
60
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