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

Relazione costitutiva parabola-lineare
lineare
Indicating by ε the following ratio:
ε
ε =
c
εc0
the following two branches of the relationship are defined:
fc
2
f
f
f
c0
c
c0
= a ⋅ε −ε
= 1+
b⋅ε;
;
for
for
ε∈(0,1)
ε > 1
f cc
where:
a =1+ γ
b = γ −1
with:
fc0
+ E
γ =
f
E
t
=
f
cc
ε
t
c0
−f
⋅ε
c0
c0
=
f
f
c1
c0
f c1
f co
E o
ε co
E t
f co , f cc , ε cc
ε cc