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1 n L S2<br />

D 1<br />

SV = 2<br />

E<br />

d3<br />

A<br />

2<br />

5 x 5 2<br />

x<br />

SV =<br />

2<br />

4 5<br />

3<br />

2<br />

x<br />

8 = 94550,6 KN<br />

<br />

5<br />

<br />

4<br />

N 1 M M<br />

3<br />

x<br />

E S e<br />

d x<br />

6<br />

7<br />

N1,Ed = 2<br />

+<br />

+ S x<br />

t 1<br />

<br />

<br />

<br />

9<br />

<br />

x<br />

6 8<br />

Tramo central → N1,Ed 4<br />

9<br />

= 2 <br />

+ <br />

+ 9<br />

2<br />

<br />

= 231,2 KN<br />

9 8<br />

4<br />

1<br />

6 1<br />

9 5<br />

Tramo superior → N1,Ed = 2<br />

+ <br />

6<br />

5<br />

<br />

2 = 392,3 KN<br />

6 4<br />

4<br />

<br />

5<br />

8<br />

- Tramo 2:<br />

5<br />

4<br />

MS = NEd 5<br />

L<br />

6<br />

η = 337,8 5 1,021 = 4,14 KNm<br />

<br />

<br />

1 1<br />

η = N N<br />

1<br />

E = 3 3<br />

E 1<br />

= 1,021<br />

Nd<br />

Sd<br />

13<br />

13<br />

c V<br />

r<br />

97<br />

7<br />

4<br />

2<br />

2 E 48<br />

78<br />

Z π<br />

Ncr = L<br />

I 2 8 4<br />

P 1<br />

x<br />

5 x<br />

6<br />

2<br />

2<br />

π 2<br />

Ncr = 6 1 2<br />

5 = 19448,2 KN<br />

1 4<br />

1 xn<br />

L S7<br />

2<br />

D 1 1 x x<br />

SV = 2<br />

E<br />

d3<br />

A 2 1<br />

2<br />

5 x<br />

<br />

8 2<br />

x<br />

SV = 1 2<br />

5 5 3<br />

2<br />

4 x<br />

8 5 = 102741 KN<br />

<br />

9<br />

2 <br />

N 1 M M<br />

5<br />

x 4<br />

Ed S e<br />

x<br />

4<br />

1<br />

N1,Ed = 2<br />

+<br />

+ S x<br />

t 1<br />

<br />

<br />

<br />

8<br />

<br />

<br />

3 4 2<br />

Tramo central → N1,Ed x<br />

3<br />

= 2 <br />

7 + <br />

+ 7<br />

1<br />

<br />

3 = 493,6 KN<br />

4<br />

8<br />

<br />

8<br />

5<br />

6<br />

5<br />

4<br />

(<br />

CÁLCULOS JUSTIFICATIVOS 21<br />

)

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