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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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Influenza del cedevolezza del<br />

vincolo/nodo<br />

ε<br />

ε<br />

l<br />

a,<br />

y<br />

=<br />

db<br />

⋅ f y db<br />

⋅ f<br />

la,<br />

u =<br />

4 ⋅τ a,<br />

y 4 ⋅τ a,<br />

t<br />

u<br />

ε<br />

θ<br />

∆ θ<br />

≅ φ<br />

pl<br />

pl , s<br />

∆la,<br />

u − ∆l<br />

=<br />

*<br />

d<br />

db<br />

⋅ft<br />

⋅ψ ⋅<br />

4⋅<br />

τ<br />

a,<br />

u<br />

a,<br />

y<br />

⎛ ε<br />

= ⎜<br />

⎝<br />

su<br />

− ε<br />

d<br />

*<br />

sy<br />

⎞ ⎛ f<br />

⎟ ⋅⎜<br />

⎠ ⎝<br />

t<br />

− f<br />

f<br />

t<br />

y<br />

⎞<br />

⎟<br />

⋅ l<br />

⎠<br />

a,<br />

u<br />

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