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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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Le espressioni <strong>della</strong> lunghezza<br />

<strong>della</strong> cerniera plastica<br />

l<br />

pl<br />

' ''<br />

ft<br />

= lpl<br />

+ lpl<br />

= 0 5⋅ψ⋅<br />

l v + ψ⋅<br />

⋅db<br />

= k1<br />

⋅lv<br />

+ k 2<br />

4⋅τ<br />

.<br />

d<br />

a,u<br />

⋅d<br />

b<br />

l<br />

pl<br />

= 0.08⋅l<br />

+ 0. 022⋅<br />

f ⋅ Priesteley (1996)<br />

v<br />

y<br />

b<br />

l<br />

f<br />

t<br />

pl = 0.5⋅ψ ⋅lv<br />

+ 1.2⋅ψ ⋅ ⋅db<br />

Lehman (1998)<br />

4⋅<br />

τa,<br />

y<br />

l<br />

l<br />

pl<br />

pl<br />

= 0.12 ⋅ l + 0. 014 ⋅f<br />

v<br />

y<br />

c<br />

⋅d<br />

b<br />

Panagiotakos &<br />

Far<strong>di</strong>s (2001)<br />

0.24⋅fy<br />

⋅db<br />

= 0.1⋅lv<br />

+ 0.17h<br />

+<br />

O.P.C.M. 3274<br />

f

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