Memoria (spa) (0.38MB)
Memoria (spa) (0.38MB)
Memoria (spa) (0.38MB)
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LP = β x L = 3,13 x 2000 = 6260 mm<br />
β = 3,13<br />
9<br />
λz 4<br />
̅λz = = 8<br />
E λ <br />
6<br />
8<br />
<br />
5<br />
7<br />
Comprobación:<br />
1-<br />
2-<br />
N<br />
A<br />
y χ<br />
E<br />
d f<br />
y<br />
d<br />
αz = 1<br />
+ αz kz<br />
CÁLCULOS JUSTIFICATIVOS 29<br />
= 1,094→ curva C → χz = 0,484<br />
c<br />
M<br />
m z z E<br />
w f<br />
d<br />
z y<br />
d<br />
< 1<br />
N<br />
1<br />
E<br />
kz = 1+ 0,6 ̅λz dN = 1+0,6x1,094 <br />
3<br />
=<br />
z C R χ d<br />
<br />
2<br />
7<br />
4<br />
<br />
= 1,08 f<br />
2 9<br />
3<br />
y<br />
NC,Rd = A = 2x4230x 1<br />
7<br />
= 2215,7 5 KN<br />
M γ <br />
<br />
5 x<br />
2<br />
5 2<br />
cm,z = 0,6 + 0,4ψ = 0,6 + 0,4x0,1 = 0,64<br />
1<br />
M 4<br />
5<br />
m<br />
ψ = Mi<br />
m<br />
n = 4<br />
<br />
a 3 = 0,1<br />
x <br />
1 2<br />
1 6<br />
<br />
3<br />
3 5+<br />
1,08 4<br />
<br />
x<br />
3 =<br />
<br />
2<br />
<br />
3<br />
6<br />
2<br />
9<br />
3<br />
x<br />
3<br />
4<br />
7<br />
6<br />
<br />
2<br />
<br />
x<br />
= 0,062 + 5<br />
9<br />
0,263 = 0,325 Cumple<br />
7<br />
6<br />
4<br />
<br />
xN<br />
c5<br />
M<br />
x<br />
3<br />
1<br />
E<br />
m z z E<br />
2 <br />
1<br />
<br />
Ad<br />
f<br />
+ kz w f<br />
d < 1<br />
<br />
xz<br />
y 1 z y<br />
<br />
2<br />
χ<br />
<br />
d<br />
d<br />
4 <br />
x<br />
5<br />
2 1 <br />
1 6<br />
<br />
3<br />
3 5+1,08<br />
4<br />
<br />
x<br />
3 =<br />
<br />
2<br />
<br />
3<br />
6<br />
2<br />
4<br />
3<br />
x<br />
3<br />
4<br />
7<br />
8<br />
<br />
2<br />
<br />
x<br />
= 0,124 + 5<br />
4<br />
0,263 = 0,387 Cumple<br />
7<br />
6<br />
4<br />
<br />
x 5<br />
x<br />
3<br />
1<br />
2 <br />
1<br />
<br />
<br />
x 1<br />
<br />
2<br />
<br />
4 <br />
x<br />
5<br />
2