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Prof. Ciro Faella - Ordine degli Ingegneri della provincia di Napoli

Prof. Ciro Faella - Ordine degli Ingegneri della provincia di Napoli

Prof. Ciro Faella - Ordine degli Ingegneri della provincia di Napoli

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La sezione generica:presso-flessione retta<br />

y<br />

Metodo generale numerico<br />

i+1<br />

ε<br />

y m<br />

i+1 y i<br />

i n<br />

y M =<br />

y i+1<br />

y m =<br />

y i<br />

x i+1 x i<br />

y n<br />

( M M )<br />

M = ∑ , + ,<br />

c<br />

i<br />

cr<br />

i<br />

M<br />

u,<br />

ct<br />

i<br />

=<br />

M<br />

u<br />

ε<br />

ε M<br />

x<br />

M<br />

M<br />

+<br />

cr,<br />

i<br />

ct,<br />

i<br />

N<br />

σ M<br />

σm<br />

σ<br />

Determinazione del<br />

momento ultimo<br />

M = M +<br />

u<br />

∑<br />

c<br />

M<br />

s<br />

( A ⋅σ ⋅ y )<br />

M = , , ,<br />

M<br />

s<br />

c,<br />

i<br />

=<br />

j<br />

y<br />

∫<br />

M<br />

0<br />

s<br />

σ<br />

j<br />

s<br />

j<br />

( y) ⋅b( y)<br />

( x − x ) ⋅ σ( y)<br />

= i+<br />

1<br />

x −<br />

=<br />

i + x y<br />

1 i<br />

M<br />

⋅<br />

y − y<br />

∫y<br />

M<br />

m<br />

i<br />

( y − )<br />

G<br />

y G<br />

u<br />

⋅<br />

n<br />

m<br />

∫<br />

0<br />

σ<br />

y i<br />

⋅<br />

y<br />

dy<br />

( y) ⋅( y − y)<br />

M<br />

⋅<br />

⋅<br />

s<br />

y<br />

y<br />

j<br />

dy<br />

dy

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