Memoria (spa) (0.38MB)
Memoria (spa) (0.38MB)
Memoria (spa) (0.38MB)
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ρ = 2500 Kg/m 3<br />
Vol = 3 x 4,8 x 1 = 14,4 m 3<br />
Aeq = a*b* = 1,12 x 3 = 3,36 m 2<br />
qb =<br />
α =<br />
a* = a-2ez = 4,8 - 2x1,84 = 1,12 m<br />
b* = b = 3 m<br />
V<br />
A<br />
e<br />
q<br />
q<br />
q<br />
b<br />
a<br />
d<br />
m<br />
3<br />
8<br />
= 3<br />
1<br />
<br />
<br />
3<br />
3<br />
6<br />
x<br />
= x<br />
1<br />
<br />
1<br />
3<br />
4<br />
2- Vuelco de la zapata<br />
Mdesest = M = 701,8 KNm<br />
CÁLCULOS JUSTIFICATIVOS 51<br />
6<br />
3<br />
= 0,114 N/mm 2<br />
= 0,38 Cumple<br />
Mest = (N + PP) x 2,5 = (21,3 + 360) x 2,5 = 953,25 KNm<br />
Mest γest > Mdesest γdesest → 953,25x0,9 > 701,8x1,2 → 857,9 > 842,2<br />
8<br />
α = 8<br />
4<br />
57<br />
2 = 0,982 Cumple<br />
<br />
<br />
2<br />
9<br />
3- Armadura mínima<br />
M d<br />
s 1<br />
L<br />
q b